ELEMENTARY STATISTICS W/MYMATHLAB<CUSTM
7th Edition
ISBN: 9781323839577
Author: Larson
Publisher: Pearson Custom Publishing
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Chapter 1.3, Problem 2TY
To determine
To identify: The problem with the experiment and suggest a way to improve.
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Section 2.2 Subsets
71
Exercise Set 2.2
Practice Exercises
In Exercises 1-18, write or in each blank so that the resulting
statement is true.
1. {1, 2, 5}
{1, 2, 3, 4, 5, 6, 7}
2. {2, 3, 7}
{1, 2, 3, 4, 5, 6, 7}
3. {-3, 0, 3}
{-4,-3,-1, 1, 3, 4}
4. {-4, 0, 4}
5. {Monday, Friday}
{-3, -1, 1, 3}
{Saturday, Sunday, Monday, Tuesday, Wednesday}
6. {Mercury, Venus, Earth}
{Venus, Earth, Mars, Jupiter}
7. {x/x is a cat}
{xx is a black cat}
{x|x is a pure-bred dog}
ibrary
mbers,
ause the
entire
sual
8. {xx is a dog}
9. (c, o, n, v, e, r, s, a, t, i, o, n}
{v, o, i, c, e, s, r, a, n, t, o, n}
10. [r, e, v, o, l, u, t, i, o, n}
{t, o, l, o, v, e, r, u, i, n}
33. A = {x|x E N
and
5 < x < 12}
B
=
{x|x E N
and
2 ≤ x ≤ 11}
A_ B
34. A =
{x|x = N
and
3 < x < 10}
B =
A.
{x|x = N
and
2 ≤ x ≤ 8}
B
35. Ø
{7, 8, 9,..., 100}
36. Ø
_{101, 102, 103, . . ., 200}
37. [7, 8, 9,...}
38. [101, 102, 103, ...}
39. Ø
40. { }
{ }
e
In Exercises 41-54, determine whether each statement is true or
false. If…
A = 5.8271 ± 0.1497
=
B 1.77872 ± 0.01133
C=0.57729 ± 0.00908
1. Find the relative uncertainty of A, B, and C
2. Find A-3
3. Find 7B
4. Find A + B
5. Find A B-B
-
6. Find A * B
7. Find C/B
8. Find 3/A
9. Find A 0.3B
-
10. Find C/T
11. Find 1/√A
12. Find AB²
Why charts,graphs,table??? difference between regression and correlation analysis.
Chapter 1 Solutions
ELEMENTARY STATISTICS W/MYMATHLAB<CUSTM
Ch. 1.1 - In a survey of 1501 ninth to twelfth graders in...Ch. 1.1 - Determine whether each number describes a...Ch. 1.1 - A study of 1000 U.S. adults found that when they...Ch. 1.1 - How is a sample related to a population?Ch. 1.1 - Why is a sample used more often than a population?Ch. 1.1 - What is the difference between a parameter and a...Ch. 1.1 - What are the two main branches of statistics?Ch. 1.1 - True or False? In Exercises 510, determine whether...Ch. 1.1 - True or False? In Exercises 510, determine whether...Ch. 1.1 - True or False? In Exercises 510, determine whether...
Ch. 1.1 - True or False? In Exercises 510, determine whether...Ch. 1.1 - True or False? In Exercises 510, determine whether...Ch. 1.1 - True or False? In Exercises 510, determine whether...Ch. 1.1 - Classifying a Data Set In Exercises 1120,...Ch. 1.1 - Classifying a Data Set In Exercises 1120,...Ch. 1.1 - Classifying a Data Set In Exercises 1120,...Ch. 1.1 - Classifying a Data Set In Exercises 1120,...Ch. 1.1 - Classifying a Data Set In Exercises 1120,...Ch. 1.1 - Classifying a Data Set In Exercises 1120,...Ch. 1.1 - Classifying a Data Set In Exercises 1120,...Ch. 1.1 - Classifying a Data Set In Exercises 1120,...Ch. 1.1 - Classifying a Data Set In Exercises 1120,...Ch. 1.1 - Classifying a Data Set In Exercises 1120,...Ch. 1.1 - Graphical Analysis In Exercises 2124, use the Venn...Ch. 1.1 - Graphical Analysis In Exercises 2124, use the Venn...Ch. 1.1 - Graphical Analysis In Exercises 2124, use the Venn...Ch. 1.1 - Graphical Analysis In Exercises 2124, use the Venn...Ch. 1.1 - Identifying Data Sets In Exercises 2534, identify...Ch. 1.1 - Identifying Data Sets In Exercises 2534, identify...Ch. 1.1 - Identifying Data Sets In Exercises 2534, identify...Ch. 1.1 - Identifying Data Sets In Exercises 2534, identify...Ch. 1.1 - Identifying Data Sets In Exercises 2534, identify...Ch. 1.1 - Identifying Data Sets In Exercises 2534, identify...Ch. 1.1 - Identifying Data Sets In Exercises 2534, identify...Ch. 1.1 - Identifying Data Sets In Exercises 2534, identify...Ch. 1.1 - Identifying Data Sets In Exercises 2534, identify...Ch. 1.1 - Identifying Data Sets In Exercises 2534, identify...Ch. 1.1 - Distinguishing Between a Parameter and a Statistic...Ch. 1.1 - Distinguishing Between a Parameter and a Statistic...Ch. 1.1 - Distinguishing Between a Parameter and a Statistic...Ch. 1.1 - Distinguishing Between a Parameter and a Statistic...Ch. 1.1 - Distinguishing Between a Parameter and a Statistic...Ch. 1.1 - Distinguishing Between a Parameter and a Statistic...Ch. 1.1 - Distinguishing Between a Parameter and a Statistic...Ch. 1.1 - Distinguishing Between a Parameter and a Statistic...Ch. 1.1 - Descriptive and Inferential Statistics Which part...Ch. 1.1 - Descriptive and Inferential Statistics Which part...Ch. 1.1 - Exercise and Cognitive Ability A study of 876...Ch. 1.1 - Increase in Obesity Rates A study shows that the...Ch. 1.1 - Sleep and Student Achievement A study shows the...Ch. 1.2 - The populations of several U.S. cities are shown...Ch. 1.2 - For each data set. determine whether the data are...Ch. 1.2 - For each data set, determine whether the data are...Ch. 1.2 - Name each level of measurement for which data can...Ch. 1.2 - Name each level of measurement for which data can...Ch. 1.2 - True or False? In Exercises 36, determine whether...Ch. 1.2 - True or False? In Exercises 36, determine whether...Ch. 1.2 - True or False? In Exercises 36, determine whether...Ch. 1.2 - True or False? In Exercises 36, determine whether...Ch. 1.2 - Classifying Data by Type In Exercises 714,...Ch. 1.2 - Classifying Data by Type In Exercises 714,...Ch. 1.2 - Classifying Data by Type In Exercises 714,...Ch. 1.2 - Classifying Data by Type In Exercises 714,...Ch. 1.2 - Classifying Data by Type In Exercises 714,...Ch. 1.2 - Classifying Data by Type In Exercises 714,...Ch. 1.2 - Classifying Data by Type In Exercises 714,...Ch. 1.2 - Classifying Data by Type In Exercises 714,...Ch. 1.2 - Classifying Data By Level In Exercises 1520,...Ch. 1.2 - Classifying Data By Level In Exercises 1520,...Ch. 1.2 - Classifying Data By Level In Exercises 1520,...Ch. 1.2 - Classifying Data By Level In Exercises 1520,...Ch. 1.2 - Classifying Data By Level In Exercises 1520,...Ch. 1.2 - Classifying Data By Level In Exercises 1520,...Ch. 1.2 - Graphical Analysis In Exercises 2124, determine...Ch. 1.2 - Graphical Analysis In Exercises 2124, determine...Ch. 1.2 - Graphical Analysis In Exercises 2124, determine...Ch. 1.2 - Graphical Analysis In Exercises 2124, determine...Ch. 1.2 - The items below appear on a physician's intake...Ch. 1.2 - Graphical Analysis In Exercises 2124, determine...Ch. 1.2 - Classifying Data by Type and Level In Exercises...Ch. 1.2 - Classifying Data by Type and Level In Exercises...Ch. 1.2 - Classifying Data by Type and Level In Exercises...Ch. 1.2 - Classifying Data by Type and Level In Exercises...Ch. 1.2 - Classifying Data by Type and Level In Exercises...Ch. 1.2 - Classifying Data by Type and Level In Exercises...Ch. 1.2 - Extending Concepts 33. Writing What is an inherent...Ch. 1.2 - Describe two examples of data sets for each of the...Ch. 1.2 - For more than 50 years. The Harris Poll has...Ch. 1.2 - Reputations of 10 Companies in the U.S. (Source:...Ch. 1.2 - Reputations of 10 Companies in the U.S. (Source:...Ch. 1.2 - Reputations of 10 Companies in the U.S. (Source:...Ch. 1.2 - Reputations of 10 Companies in the U.S. (Source:...Ch. 1.2 - For more than 50 years. The Harris Poll has...Ch. 1.3 - The Pennsylvania Game Commission conducted a study...Ch. 1.3 - Prob. 2TYCh. 1.3 - A company employs 79 people. Choose a simple...Ch. 1.3 - You want to determine the opinions of students...Ch. 1.3 - What is the difference between an observational...Ch. 1.3 - What is the difference between a census and a...Ch. 1.3 - What is the difference between a random sample and...Ch. 1.3 - What is replication in an experiment? Why is...Ch. 1.3 - True or False? In Exercises 510, determine whether...Ch. 1.3 - True or False? In Exercises 510, determine whether...Ch. 1.3 - True or False? In Exercises 510, determine whether...Ch. 1.3 - True or False? In Exercises 510, determine whether...Ch. 1.3 - True or False? In Exercises 510, determine whether...Ch. 1.3 - True or False? In Exercises 510, determine whether...Ch. 1.3 - Distinguishing Between an Observational Study and...Ch. 1.3 - Distinguishing Between an Observational Study and...Ch. 1.3 - Distinguishing Between an Observational Study and...Ch. 1.3 - Distinguishing Between an Observational Study and...Ch. 1.3 - Random Number Table Use the sixth row of Table 1...Ch. 1.3 - Random Number Table Use the tenth row of Table 1...Ch. 1.3 - Random Numbers In Exercises 17 and 18, use...Ch. 1.3 - Random Numbers In Exercises 17 and 18, use...Ch. 1.3 - Allergy Drug A pharmaceutical company wants to...Ch. 1.3 - Dietary Supplement Researchers in Germany tested...Ch. 1.3 - Sleep Deprivation A researcher wants to study the...Ch. 1.3 - Using a Simple Random Sample Volunteers for an...Ch. 1.3 - Identifying Sampling Techniques In Exercises 2328,...Ch. 1.3 - Identifying Sampling Techniques In Exercises 2328,...Ch. 1.3 - Identifying Sampling Techniques In Exercises 2328,...Ch. 1.3 - Identifying Sampling Techniques In Exercises 2328,...Ch. 1.3 - Identifying Sampling Techniques In Exercises 2328,...Ch. 1.3 - Identifying Sampling Techniques In Exercises 2328,...Ch. 1.3 - Choosing Between a Census and a Sampling In...Ch. 1.3 - Choosing Between a Census and a Sampling In...Ch. 1.3 - Recognizing a Biased Question In Exercises 3134,...Ch. 1.3 - Recognizing a Biased Question In Exercises 3134,...Ch. 1.3 - Recognizing a Biased Question In Exercises 3134,...Ch. 1.3 - Recognizing a Biased Question In Exercises 3134,...Ch. 1.3 - Open and Closed Questions Two types of survey...Ch. 1.3 - Natural Experiments Observational studies are...Ch. 1.3 - Prob. 1ACh. 1.3 - In Exercises 14, identify the population and the...Ch. 1 - In Exercises 14, identify the population and the...Ch. 1 - In Exercises 14, identify the population and the...Ch. 1 - In Exercises 58, determine whether the number...Ch. 1 - In Exercises 58, determine whether the number...Ch. 1 - In Exercises 58, determine whether the number...Ch. 1 - In Exercises 58, determine whether the number...Ch. 1 - Which part of the survey described in Exercise 3...Ch. 1 - Which part of the survey described in Exercise 4...Ch. 1 - In Exercises 1114, determine whether the data are...Ch. 1 - In Exercises 1114, determine whether the data are...Ch. 1 - In Exercises 1114, determine whether the data are...Ch. 1 - In Exercises 1114, determine whether the data are...Ch. 1 - In Exercises 1518, determine the level of...Ch. 1 - In Exercises 1518, determine the level of...Ch. 1 - In Exercises 1518, determine the level of...Ch. 1 - In Exercises 1518, determine the level of...Ch. 1 - In Exercises 19 and 20, determine whether the...Ch. 1 - In Exercises 19 and 20, determine whether the...Ch. 1 - In Exercises 21 and 22, two hundred students...Ch. 1 - In Exercises 21 and 22, two hundred students...Ch. 1 - Identifying Sampling Techniques In Exercises 2328,...Ch. 1 - Identifying Sampling Techniques In Exercises 2328,...Ch. 1 - Identifying Sampling Techniques In Exercises 2328,...Ch. 1 - Identifying Sampling Techniques In Exercises 2328,...Ch. 1 - Identifying Sampling Techniques In Exercises 2328,...Ch. 1 - Identifying Sampling Techniques In Exercises 2328,...Ch. 1 - You want to know the favorite spring break...Ch. 1 - A study of the dietary habits of 359,264 Korean...Ch. 1 - Determine whether each number describes a...Ch. 1 - Determine whether the data are qualitative or...Ch. 1 - Determine the level of measurement of the data...Ch. 1 - Determine whether the study is an observational...Ch. 1 - An experiment is performed to test the effects of...Ch. 1 - Identify the sampling technique used in each...Ch. 1 - Which technique used in Exercise 7 could lead to a...Ch. 1 - Determine whether you would take a census or use a...Ch. 1 - Determine whether each number describes a...Ch. 1 - Specify the minimum, maximum, and number of...Ch. 1 - Use the applet to repeat Example 3 on page 21....Ch. 1 - Identify the sampling technique used, and discuss...Ch. 1 - Determine whether the data are qualitative or...Ch. 1 - Determine whether the survey question is biased....Ch. 1 - Researchers surveyed 19,183 U.S. physicians,...Ch. 1 - When do you think smartphone payments will replace...Ch. 1 - Data Classification (a) What type of data do you...Ch. 1 - How They Did It When The Harris Poll did a similar...Ch. 1 - The SEC (Securities and Exchange Commission) is...Ch. 1 - A quality control department is testing 25...Ch. 1 - Consider the population of ten digits: 0, 1, 2, 3,...Ch. 1 - Consider the population of 41 whole numbers from 0...Ch. 1 - Use random numbers to simulate rolling a six-sided...Ch. 1 - Prob. 6TCh. 1 - Use random numbers to simulate tossing a coin 100...Ch. 1 - You tossed a coin 100 times and got 77 heads and...Ch. 1 - A political analyst would like to survey a sample...
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