Describe the explained variation about a regression line in words and in symbols.Choose the correct answer below.O A. The explained variation is the sum of the squares of the differences between the predicted y-values and the mean of the y-values of the ordered pairs.(Xị, y;).O B. The explained variation is the sum of the squares of the differences between the observed y-values and the predicted y-values.O c. The explained variation is the sum of the squares of the differences between the y-values of each ordered pair and the mean of the y-values of theordered pairs.(x, y)The explained variation in symbols can be described by the expressiony = ỹ

here use basic of regression analysis

Answered: Choose the correct answer below. The…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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d. Estimate the blood pressure of the student if his stress test score is 80, 60, and 85.
I need help with the questions 2a,2b and 2c. Describe the shape of the distribution of the data. Which movie has the largest budget With all the data obtained, which genre movie tend to have larger budgets.
which box plot best represents the data?
4.3) •VA report from Texas Transportation Institute (Texas A&M University System 2005) on Congestion Re- duction Strategies looked into the extra travel time (due to traffic congestion) for commute travel per traveler per year in hours for different urban areas. Below are the data for urban areas that had a population of over 3 million for the year 2002. Extra Hours per Traveler per Year Urban Area Los Angeles San Francisco 98 75 Washington DC Atlanta 66 64 Houston 65 Dallas, Fort Worth Chicago Detroit 61 55 54 Miami 48 Boston 53 New York 50 Phoenix 49 Philadelphia 40 4. Compute the mean and median values for extra travel hours. Based on the values of the mean and median, is the distribution of extra travel hours likely to be approximately symmetric, positively skewed, or negatively skewed?
Use a stem-and-leaf plot to display the data, which represent the thickness (in centimeters) of ice measured at 20 different locations on a frozen lake. Describe any patterns. 5.8 6.3 6.9 7.2 5.1 4.9 4.6 5.8 7.0 6.8 8.2 7.5 7.2 5.8 7.2 8.0 7.4 6.9 5.9 4.9 Determine the leaves in the stem-and-leaf plot below. Key: 3|3 = 3.3 Ice Thickness 6| 8 What best describes the data? A. Most thicknesses are greater than 7 centimeters. B. Most thicknesses are 6 centimeters. C. Most thicknesses are between 5 and 8 centimeters. D. Most thicknesses are less than 5 centimeters.
Milaaan
Use a stem-and-leaf plot that has two rows for each stem to display the data, which represent the income (in millions) of 30 of the highest paid athletes. Describe any patterns. 36 36 44 50 35 56 56 68 47 63 46 37 44 43 81 53 38 73 34 38 88 34 53 41 Determine the leaves in the stem-and-leaf plot below. Key: 3|3 = 33 Income ($ millions) 3 3 4 4 5 5 6 6 7 7 8 81 What best describes the data? 76 42 45 34 45 48 A. The incomes are evenly spread between 30 and 90 million dollars. B. Most of the incomes are between 50 and 70 million dollars. C. Most of the incomes are less than 60 million dollars. D. Most of the incomes are greater than 60 million dollars. 0
(6) Below is the exam score for 11 students: 90, 83, 89, 66, 80, 87, 95, 94, 70, 92, 83 Construct a stem-and-leaf plot for the data set, using the tenth digit as the stem and the unit digit as the leaf.
2.7 - a. Write a few short sentences that compare the center and the spread for each dot plot. b. Based on this sample, cereals from which manufacturer tend to have no variation in calories?
Use a stem-and-leaf plot to display the data, which represent the numbers of hours 24 nurses work per week. Describe any patterns. 40 30 40 43 48 35 40 36 52 32 36 40 35 25 40 36 40 36 40 33 40 32 38 49 Determine the leaves in the stem-and-leaf plot below. Key: 313 = 33 Hours worked 2 What best describes the data? A. Most nurses work between 40 and 50 hours per week, inclusive. OB. Most nurses work over 40 hours per week. OC. Most nurses work between 30 and 40 hours per week, inclusive. OD. Most nurses work under 40 hours per week. 0
Please do not give solution in image format thanku
* Directions : use the specific table to answer math questions 9 & 10. * Marking this under "Statistics" but unsure... 9. Compare marginal relative frequencies. These are the relative frequencies in the margins (the "Total" column and the "Total" row.) Include percentages in the given answers. A. Which group of voters was larger : students or teachers? B. Which mascot had the higher percentage of votes? : Volverine or Shark? 10. Compare the joint relative frequencies. These are the relative frequencies of the combined (joint) categories. Include percentages in the given answers. A. Which mascot did students prefer? : Wolverine or Shark? B. Which mascot did teachers prefer? : Wolverine or Shark? *Please answer all questions in a typed-out format. This will ensure a thumbed up solution.

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