Thinking Mathematically (6th Edition)
6th Edition
ISBN: 9780321867322
Author: Robert F. Blitzer
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
Chapter 1.2, Problem 44E
Without using a calculator, estimate the number of high school teenagers for whom social pressures and fitting in is the most important problem.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
Instructions: Provide your response in the space provided after each question. Please show as much work as possible to clearly show the steps you used to find the solution. Be sure to save your completed work when done. All questions should be taken into account that it is in Manitoba Canada
If Cindy invests $2000 in an RRSP, how will this affect her tax return?
Indicate whether the following statements are true or false. If the statement is false explain why.
a) You must report income from tips.
b) Only a student can claim a credit for tuition fees.
c) If you invest money in an RRSP, you will never have to pay taxes on this amount.
d) If you pay for child care, you can claim this amount on your return to lower the amount you owe in taxes.
Choose any one line from the T1-General Form.
a) Briefly explain what the amount on that line represents.
b) Explain what section of the T1 General form the line is from and why it is appropriate that it is in that section.
c)…
Not use ai please
What is the PV of an annuity due with 5 payments of $2,500 at an interest rate of 5.5%?
Question 14 options:
a)
$11,262.88
b)
$11,826.02
c)
$12,417.32
d)
$13,038.19
Chapter 1 Solutions
Thinking Mathematically (6th Edition)
Ch. 1.1 - CHECK POINT 1 Find a counterexample to show that...Ch. 1.1 - CHECK POINT 2 Identify a pattern in each list of...Ch. 1.1 - CHECK POINT 3 Identify a pattern in each list of...Ch. 1.1 - CHECK POINT 4 Describe two patterns in this...Ch. 1.1 - CHECK POINT 5 Consider the following procedure:...Ch. 1.1 - The statement 3 + 3 = 6 serves as a/an ________ to...Ch. 1.1 - Arriving at a specific conclusion from one or more...Ch. 1.1 - Arriving at a general conclusion based on...Ch. 1.1 - True or False: A theorem cannot have...Ch. 1.1 - In Exercises 1-8, find a counterexample to show...
Ch. 1.1 - In Exercises 1-8, find a counterexample to show...Ch. 1.1 - In Exercises 1-8, find a counterexample to show...Ch. 1.1 - In Exercises 1-8, find a counterexample to show...Ch. 1.1 - In Exercises 1-8, find a counterexample to show...Ch. 1.1 - In Exercises 1-8, find a counterexample to show...Ch. 1.1 - In Exercises 1-8, find a counterexample to show...Ch. 1.1 - In Exercises 1-8, find a counterexample to show...Ch. 1.1 - In Exercises 9-38, identify a pattern in each list...Ch. 1.1 - In Exercises 9-38, identify a pattern in each list...Ch. 1.1 - In Exercises 9-38, identify a pattern in each list...Ch. 1.1 - In Exercises 9-38, identify a pattern in each list...Ch. 1.1 - In Exercises 9-38, identify a pattern in each list...Ch. 1.1 - In Exercises 9-38, identify a pattern in each list...Ch. 1.1 - In Exercises 9-38, identify a pattern in each list...Ch. 1.1 - In Exercises 9-38, identify a pattern in each list...Ch. 1.1 - In Exercises 9-38, identify a pattern in each list...Ch. 1.1 - In Exercises 9-38, identify a pattern in each list...Ch. 1.1 - In Exercises 9-38, identify a pattern in each list...Ch. 1.1 - In Exercises 9-38, identify a pattern in each list...Ch. 1.1 - In Exercises 9-38, identify a pattern in each list...Ch. 1.1 - In Exercises 9-38, identify a pattern in each list...Ch. 1.1 - In Exercises 9-38, identify a pattern in each list...Ch. 1.1 - In Exercises 9-38, identify a pattern in each list...Ch. 1.1 - In Exercises 9-38, identify a pattern in each list...Ch. 1.1 - In Exercises 9-38, identify a pattern in each list...Ch. 1.1 - In Exercises 9-38, identify a pattern in each list...Ch. 1.1 - In Exercises 9-38, identify a pattern in each list...Ch. 1.1 - In Exercises 9-38, identify a pattern in each list...Ch. 1.1 - In Exercises 9-38, identify a pattern in each list...Ch. 1.1 - In Exercises 9-38, Identify a pattern in each list...Ch. 1.1 - In Exercises 9-38, identify a pattern in each list...Ch. 1.1 - In Exercises 9-38, identify a pattern in each list...Ch. 1.1 - In Exercises 9-38, identify a pattern in each list...Ch. 1.1 - In Exercises 9-38, identify a pattern in each list...Ch. 1.1 - In Exercises 9-38, identify a pattern in each list...Ch. 1.1 - In Exercises 9-38, identify a pattern in each list...Ch. 1.1 - In Excises 9-38, identify a pattern in each list...Ch. 1.1 - In Exercises 39-42, identify a pattern in each...Ch. 1.1 - In Exercises 39-42, identify a pattern in each...Ch. 1.1 - In Exercises 39-42, identify a pattern in each...Ch. 1.1 - In Exercises 39-42, identify a pattern in each...Ch. 1.1 - Select a number. Multiply the number by 4. Add 8...Ch. 1.1 - Prob. 44ECh. 1.1 - Prob. 45ECh. 1.1 - Prob. 46ECh. 1.1 - In Exercises 47-52, use inductive reasoning to...Ch. 1.1 - In Exercises 47-52, use inductive reasoning to...Ch. 1.1 - In Exercises 47-52, use inductive reasoning to...Ch. 1.1 - Prob. 50ECh. 1.1 - In Exercises 47-52, use inductive reasoning to...Ch. 1.1 - In Exercises 47-52, use inductive reasoning to...Ch. 1.1 - In Exercises 53-54, use inductive reasoning to...Ch. 1.1 - In Exercises 53-54, use inductive reasoning to...Ch. 1.1 - Study the pattern in these examples: a 3 # a 4 = a...Ch. 1.1 - Study the pattern in these examples: a 5 * a 3 * a...Ch. 1.1 - In Exercises 57-60, identify the reasoning...Ch. 1.1 - In Exercises 57-60, identify the reasoning...Ch. 1.1 - Prob. 59ECh. 1.1 - In Exercises 57-60, identify the reasoning...Ch. 1.1 - The ancient Greeks studies figurate numbers, so...Ch. 1.1 - The triangular arrangement of numbers shown below...Ch. 1.1 - Writing about mathematics will help you to learn...Ch. 1.1 - Describe what is meant by deductive reasoning....Ch. 1.1 - Give an example of a decision that you made...Ch. 1.1 - Make Sense? In Exercises 66-69, determine whether...Ch. 1.1 - Make sense? In Exercises 66-69, determine whether...Ch. 1.1 - I used the data shown in the bar graph, which...Ch. 1.1 - I used the data shown in the bar graph for...Ch. 1.1 - If ( 6 − 2 ) 2 = 36 − 24 + 4 and ( 8 − 5 ) 2 = 64...Ch. 1.1 - 71. The rectangle shows an array of nine numbers...Ch. 1.1 - Write a list of numbers that has two patterns so...Ch. 1.1 - a. Repeat the following procedure with at least...Ch. 1.1 - a. Use a calculator to find 6 × 6 , 66 × 66 , 666...Ch. 1.1 - 75. a. Use a calculator to find , and .
b....Ch. 1.1 - Stereotyping refers to classifying people, places,...Ch. 1.2 - CHECKPOINT 1 Round world population...Ch. 1.2 - CHECK POINT 2 Round 3.141592, the first seven...Ch. 1.2 - CHECK POINT 3 You and a friend ate lunch at Ye...Ch. 1.2 - CHECK POINT 4 A Landscape architect who works full...Ch. 1.2 - Prob. 5CPCh. 1.2 - CHECK POINT 6 Use the date for women in Figure 1.5...Ch. 1.2 - Prob. 7CPCh. 1.2 - Prob. 8CPCh. 1.2 - The process of arriving at an approximate answer...Ch. 1.2 - Fill in each blank so that the resulting statement...Ch. 1.2 - Fill in each blank so that the resulting statement...Ch. 1.2 - Fill in each blank so that resulting statement is...Ch. 1.2 - Prob. 5CVCCh. 1.2 - Fill in each blank so that the resulting statement...Ch. 1.2 - Prob. 1ECh. 1.2 - The bar graph gives the 2011 populations of the...Ch. 1.2 - In Exercises 3-8, use this approximation to round...Ch. 1.2 - In Exercises 3-8, use this approximation to round...Ch. 1.2 - In Exercises 3-8, use this approximation to round...Ch. 1.2 - In Exercises 3-8, use this approximation to round...Ch. 1.2 - In Exercises 3-8, use this approximation to round...Ch. 1.2 - In Exercises 3-8, use this approximation to round...Ch. 1.2 - In Exercises 9-34, because different rounding...Ch. 1.2 - In Exercises 9-34, because different rounding...Ch. 1.2 - In Exercises 9-34, because different rounding...Ch. 1.2 - In Exercises 9-34, because different rounding...Ch. 1.2 - In Exercises 9-34, because different rounding...Ch. 1.2 - In Exercises 9-34, because different rounding...Ch. 1.2 - In Exercises 9-34, because different rounding...Ch. 1.2 - In Exercises 9-34, because different rounding...Ch. 1.2 - In Exercises 9-34, because different rounding...Ch. 1.2 - In Exercises 9-34, because different rounding...Ch. 1.2 - In Exercises 9-34, because different rounding...Ch. 1.2 - In Exercises 9-34, because different rounding...Ch. 1.2 - In Exercises 9-34, because different rounding...Ch. 1.2 - In Exercises 9-34, because different rounding...Ch. 1.2 - In Exercises 23-34, determine each estimate...Ch. 1.2 - In Exercises 23-34, determine each estimate...Ch. 1.2 - In Exercises 23-34, determine each estimate...Ch. 1.2 - In Exercises 23-34, determine each estimate...Ch. 1.2 - In Exercises 23-34, determine each estimate...Ch. 1.2 - In Exercises 23-34, determine each estimate...Ch. 1.2 - In Exercises 23-34, determine each estimate...Ch. 1.2 - In Exercises 23-34, determine each estimate...Ch. 1.2 - In Exercises 23-34, determine each estimate...Ch. 1.2 - In Exercises 23-34, determine each estimate...Ch. 1.2 - In Exercises 23-34, determine each estimate...Ch. 1.2 - The average life expectancy in Mozambique is 40.3...Ch. 1.2 - In Exercises 35-36, obtain an estimate for each...Ch. 1.2 - In Exercises 35-36, obtain an estimate for each...Ch. 1.2 - Ten people ordered calculators. The least...Ch. 1.2 - Ten people ordered calculators. The least...Ch. 1.2 - Travelling at an average rate of between 60 and 70...Ch. 1.2 - Prob. 40ECh. 1.2 - 41. Imagine that you counted 60 numbers per minute...Ch. 1.2 - Prob. 42ECh. 1.2 - 43. Without using a calculator, estimate the...Ch. 1.2 - Without using a calculator, estimate the number of...Ch. 1.2 - An online test of English spelling looked at how...Ch. 1.2 - An online test of English spelling looked at how...Ch. 1.2 - The percentage of U.S. college freshmen claiming...Ch. 1.2 - The percentage of U.S. college freshmen claiming...Ch. 1.2 - According to a Gallup poll, in 2012 almost a third...Ch. 1.2 - According to a Gallup poll, in 2012 almost a third...Ch. 1.2 - 51. a. Estimate the yearly increase in the average...Ch. 1.2 - a. Estimate the yearly increase in the average...Ch. 1.2 - Prob. 53ECh. 1.2 - Prob. 54ECh. 1.2 - Explain how to round 14.26841 to the nearest...Ch. 1.2 - Prob. 56ECh. 1.2 - 57. In this era of calculators and computers, why...Ch. 1.2 - Prob. 58ECh. 1.2 - Prob. 59ECh. 1.2 - Prob. 60ECh. 1.2 - Prob. 61ECh. 1.2 - Prob. 62ECh. 1.2 - Prob. 63ECh. 1.2 - Prob. 64ECh. 1.2 - 65. A forecaster at the National Hurricane Center...Ch. 1.2 - Prob. 66ECh. 1.2 - Prob. 67ECh. 1.2 - Prob. 68ECh. 1.2 - Prob. 69ECh. 1.2 - Prob. 70ECh. 1.2 - In Exercises 71-74, match the story with the...Ch. 1.2 - In Exercises 71-74, match the story with the...Ch. 1.2 - In Exercises 71-74, match the story with the...Ch. 1.2 - In Exercises 71-74, match the story with the...Ch. 1.2 - 75. American children ages 2 to 17 spend 19 hours...Ch. 1.2 - Prob. 76ECh. 1.2 - 77. Group members should devise an estimation...Ch. 1.2 - Group members should begin by consulting an...Ch. 1.3 - CHECK POINT 1 Which necessary piece of information...Ch. 1.3 - CHECK POINT 2 Solve the following problem. If the...Ch. 1.3 - CHECK POINT 3 By paying $350 cash up front and the...Ch. 1.3 - CHECK POINT 4 Suppose you are an engineer...Ch. 1.3 - CHECK POINT 5 Your “lecture wardrobe” is rather...Ch. 1.3 - CHECK POINT 6 As in Example 6, a sales director...Ch. 1.3 - The first step in problem solving is to read the...Ch. 1.3 - 2. The second step in problem solving is to ____...Ch. 1.3 - True or False: Polya’s four steps in problem...Ch. 1.3 - True or False: When making a choice between...Ch. 1.3 - In Exercises 1-4, what necessary piece of...Ch. 1.3 - In Exercises 1-4, what necessary piece of...Ch. 1.3 - In Exercises 1-4, what necessary piece of...Ch. 1.3 - In Exercises 1-4, what necessary piece of...Ch. 1.3 - In Exercises 5-8, one more piece of information is...Ch. 1.3 - In Exercises 5-8, one more piece of information is...Ch. 1.3 - In Exercises 5-8, one more piece of information is...Ch. 1.3 - In Exercises 5-8, one more piece of information is...Ch. 1.3 - Use Polya’s four-step method in problem solving to...Ch. 1.3 - Use Polya’s four-step method in problem solving to...Ch. 1.3 - Use Polya’s four-step method in problem solving to...Ch. 1.3 - Use Polya’s four-step method in problem solving to...Ch. 1.3 - Use Polya’s four-step method in problem solving to...Ch. 1.3 - Prob. 14ECh. 1.3 - Use Polya’s four-step method in problem solving to...Ch. 1.3 - Prob. 16ECh. 1.3 - Use Polya’s four-step method in problem solving to...Ch. 1.3 - Use Polya’s four-step method in problem solving to...Ch. 1.3 - Use Polya’s four-step method in problem solving to...Ch. 1.3 - Prob. 20ECh. 1.3 - Use Polya’s four-step method in problem solving to...Ch. 1.3 - Use Polya’s four-step method in problem solving to...Ch. 1.3 - Prob. 23ECh. 1.3 - Prob. 24ECh. 1.3 - Prob. 25ECh. 1.3 - Use Polya’s four-step method in problem solving to...Ch. 1.3 - Use Polya’s four-step method in problem solving to...Ch. 1.3 - Use Polya’s four-step method in problem solving to...Ch. 1.3 - Use Polya’s four-step method in problem solving to...Ch. 1.3 - Prob. 30ECh. 1.3 - Use Polya’s four-step method in problem solving to...Ch. 1.3 - Prob. 32ECh. 1.3 - Use Polya’s four-step method in problem solving to...Ch. 1.3 - Prob. 34ECh. 1.3 - Prob. 35ECh. 1.3 - Prob. 36ECh. 1.3 - Use Polya’s four-step method in problem solving to...Ch. 1.3 - Prob. 38ECh. 1.3 - Use Polya’s four-step method in problem solving to...Ch. 1.3 - Prob. 40ECh. 1.3 - Prob. 41ECh. 1.3 - Prob. 42ECh. 1.3 - The map shows five western states. Trace a route...Ch. 1.3 - The layout of a city with land masses and bridges...Ch. 1.3 - Prob. 45ECh. 1.3 - The figure represents a map of 13 countries. If...Ch. 1.3 - Prob. 47ECh. 1.3 - Prob. 48ECh. 1.3 - As in Sudoku, fill in the missing numbers in the...Ch. 1.3 - The missing numbers in the 4-by-4 array are...Ch. 1.3 - Prob. 51ECh. 1.3 - Prob. 52ECh. 1.3 - Prob. 53ECh. 1.3 - In Exercises 52-54, explain the plan needed to...Ch. 1.3 - Prob. 55ECh. 1.3 - Make Sense? In Exercises 56-59, determine whether...Ch. 1.3 - Make Sense? In Exercises 56-59, determine whether...Ch. 1.3 - Make Sense? In Exercises 56-59, determine whether...Ch. 1.3 - Make Sense? In Exercises 56-59, determine whether...Ch. 1.3 - 60. Gym lockers are to be numbered from 1 through...Ch. 1.3 - Prob. 61ECh. 1.3 - Prob. 62ECh. 1.3 - 63. One person tells the truth on Monday, Tuesday,...Ch. 1.3 - Prob. 64ECh. 1.3 - 65. As in Sudoku, fill in the missing numbers...Ch. 1.3 - Prob. 66ECh. 1.3 - Prob. 67ECh. 1.3 - Prob. 68ECh. 1.3 - Prob. 69ECh. 1.3 - Prob. 70ECh. 1.3 - Prob. 71ECh. 1.3 - Prob. 72ECh. 1.3 - Prob. 73ECh. 1.3 - Prob. 74ECh. 1.3 - Group members should describe a problem in need of...Ch. 1 - 1. Which reasoning process is shown in the...Ch. 1 - Prob. 2TCh. 1 - Prob. 3TCh. 1 - Prob. 4TCh. 1 - Prob. 5TCh. 1 - Prob. 6TCh. 1 - Consider the following procedure: Select a number....Ch. 1 - Round 3,279,425 to the nearest hundred thousand.Ch. 1 - Prob. 9TCh. 1 - Prob. 10TCh. 1 - In Exercises 10-13, determine each estimate...Ch. 1 - In Exercises 10-13, determine each estimate...Ch. 1 - Prob. 13TCh. 1 - Prob. 14TCh. 1 - 15. The stated intent of the 1994 “don’t ask,...Ch. 1 - The bar graph shows a dramatic change in the high...Ch. 1 - The cost of renting a boat from Estes Rental is $9...Ch. 1 - Prob. 18TCh. 1 - Prob. 19TCh. 1 - Prob. 20TCh. 1 - 1. Which reasoning process is shown in the...Ch. 1 - 2. Which reasoning process is shown in the...Ch. 1 - In Exercises 3-10, identify a pattern in each list...Ch. 1 - Prob. 4RECh. 1 - In Exercises 3-10, identify a pattern in each list...Ch. 1 - Prob. 6RECh. 1 - Prob. 7RECh. 1 - In Exercises 3-10, identify a pattern in each list...Ch. 1 - Prob. 9RECh. 1 - Prob. 10RECh. 1 - Identify a pattern in the following sequence of...Ch. 1 - In Exercises 12-13, use inductive reasoning to...Ch. 1 - Prob. 13RECh. 1 - Consider the following procedure: Select a number....Ch. 1 - Prob. 15RECh. 1 - Prob. 16RECh. 1 - In Exercises 17-20, obtain an estimate for each...Ch. 1 - In Exercises 17-20, obtain an estimate for each...Ch. 1 - Prob. 19RECh. 1 - Prob. 20RECh. 1 - In Exercises 21-24, determine each estimate...Ch. 1 - In Exercises 21-24, determine each estimate...Ch. 1 - In Exercises 21-24, determine each estimate...Ch. 1 - Prob. 24RECh. 1 - A small private school employs 10 teachers with...Ch. 1 - Prob. 26RECh. 1 - Prob. 27RECh. 1 - 28. The bar graph shows the percentage of people...Ch. 1 - Prob. 29RECh. 1 - The bar graph shows the population of the Unites...Ch. 1 - Prob. 31RECh. 1 - Prob. 32RECh. 1 - Prob. 33RECh. 1 - Use the four-step method in problem solving to...Ch. 1 - Prob. 35RECh. 1 - Prob. 36RECh. 1 - Use the four-step method in problem solving to...Ch. 1 - Use the four-step method in problem solving to...
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, subject and related others by exploring similar questions and additional content below.Similar questions
- 8arrow_forwardThe following table describes the distribution of a random sample S of 200 individuals, arranged by education level and income. Income(Dollars per Year) < High School High School Diploma Some College Bachelor’s Degree Graduate Degree Post-Graduate Degree 0-25,000 12 8 3 2 1 0 25,000-50,000 7 12 9 12 11 2 50,000-75,000 1 3 4 6 14 5 75,000-100,000 0 2 1 8 11 8 100,000-125,000 0 1 1 4 8 9 125,000-150,000 0 0 2 3 7 12 150,000+ 0 0 1 1 3 6 Let events be defined as follows: A = the event the subject makes 0-25,000 dollars per yearB = the event the subject makes 25,000-50,000 dollars per year C = the event the subject makes 50,000-75,000 dollars per yearD = the event the subject makes 75,000-100,000 dollars per yearE = the event the subject makes 100,000-125,000 dollars per yearF = the event the subject makes 125,000-150,000 dollars per yearG = the event…arrow_forward2arrow_forward
- 7arrow_forwardwrite ur answer with pen in paper must Don't use any Al tool show ur answer in pe n and paper then take Find the value of the integral using residues 2πT dᎾ . Evaluate 32 cos 0+ sin 0 0arrow_forwardProve the following equalities using the residue theorem. Justify your steps. (a) √2 2π de 2πT 0 a + sin ¤ Fa² - 1^ Fa² = π a > 1; 0 (b) 8 x-a π So z +1dx = sin(sa) ୮ 1arrow_forward
- Apply the Newton-Rapson method to this problem f(x) = -3x² Determine the root using an initial guess at x=1 Perform only four iterations. If convergence is achieved before the fourth iteration, state it clearly. Additionally, provide an explanation as to whether the results are convergent or divergentarrow_forward6arrow_forward1(10pt). Solve the equation z = (1+i). in with amooth boundarrow_forward
- 5). Let V be the space of meromorphic functions on the extended complex plane Ĉ that possibly have poles at 0, 1 and ∞ with orders up to 2. Find a basis for V.arrow_forward(p). Assume that u(z) is a real harmonic function defined on the disc D(zo, p) = {lz- zolp}. Use Cauchy's integral formula to prove the mean value property: -S u(zo) = [ 2π u(zo + reio) do 27T =arrow_forwardwhat does the central limit theorem, for all samples of the same size n with n>30, the sampling distribution of x can be approximated by a normal distribution mean? What is a real life example using this theoremarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Glencoe Algebra 1, Student Edition, 9780079039897...AlgebraISBN:9780079039897Author:CarterPublisher:McGraw Hill
Elementary Geometry for College StudentsGeometryISBN:9781285195698Author:Daniel C. Alexander, Geralyn M. KoeberleinPublisher:Cengage Learning
Holt Mcdougal Larson Pre-algebra: Student Edition...AlgebraISBN:9780547587776Author:HOLT MCDOUGALPublisher:HOLT MCDOUGAL
Elementary Geometry For College Students, 7eGeometryISBN:9781337614085Author:Alexander, Daniel C.; Koeberlein, Geralyn M.Publisher:Cengage,
College Algebra (MindTap Course List)AlgebraISBN:9781305652231Author:R. David Gustafson, Jeff HughesPublisher:Cengage Learning
Glencoe Algebra 1, Student Edition, 9780079039897...
Algebra
ISBN:9780079039897
Author:Carter
Publisher:McGraw Hill
Elementary Geometry for College Students
Geometry
ISBN:9781285195698
Author:Daniel C. Alexander, Geralyn M. Koeberlein
Publisher:Cengage Learning
Holt Mcdougal Larson Pre-algebra: Student Edition...
Algebra
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Elementary Geometry For College Students, 7e
Geometry
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Cengage,
College Algebra (MindTap Course List)
Algebra
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:Cengage Learning
The Shape of Data: Distributions: Crash Course Statistics #7; Author: CrashCourse;https://www.youtube.com/watch?v=bPFNxD3Yg6U;License: Standard YouTube License, CC-BY
Shape, Center, and Spread - Module 20.2 (Part 1); Author: Mrmathblog;https://www.youtube.com/watch?v=COaid7O_Gag;License: Standard YouTube License, CC-BY
Shape, Center and Spread; Author: Emily Murdock;https://www.youtube.com/watch?v=_YyW0DSCzpM;License: Standard Youtube License