TEE C, Lesson 9.3 Certify Mode Questi x C in ExcelChegg.com rocke542@gmail.co * Course a learn.hawkeslearning.com/Portal/Lesson/lessoncertify - Save & Exit Certify Lesson: 9.3 Comparing Two Population Me. LORETTA STONE e/20 Question 3 of 10, Step 1 of 4 Correct A state legislator wants to determine whether his voters' performance rating (0- 100) has changed from last year to this year. The following table shows the legislator's performance from the same ten randomly selected voters for last year and this year. Use this data to find the 98 % confidence interval for the true difference between the population means. Assume that the populations of voters' performance ratings are normally distributed for both this year and last year. Rating (last year) 74 83 91 65 55 5s 85 55 93 63 Rating (this year) 46 60 82 77 47 80 78 80 91 76 Copy Data Step 1 of 4: Find the point estimate for the population mean of t the formula d = x - X to calculate the paired differences. Round your answer to one decimal place. paired differences. Let x, be the rating from last year and xz be the rating from this year and use 田 Tables E Keypad Answer How to enter your answer (opens in new window) Keyboard Shortcuts
TEE C, Lesson 9.3 Certify Mode Questi x C in ExcelChegg.com rocke542@gmail.co * Course a learn.hawkeslearning.com/Portal/Lesson/lessoncertify - Save & Exit Certify Lesson: 9.3 Comparing Two Population Me. LORETTA STONE e/20 Question 3 of 10, Step 1 of 4 Correct A state legislator wants to determine whether his voters' performance rating (0- 100) has changed from last year to this year. The following table shows the legislator's performance from the same ten randomly selected voters for last year and this year. Use this data to find the 98 % confidence interval for the true difference between the population means. Assume that the populations of voters' performance ratings are normally distributed for both this year and last year. Rating (last year) 74 83 91 65 55 5s 85 55 93 63 Rating (this year) 46 60 82 77 47 80 78 80 91 76 Copy Data Step 1 of 4: Find the point estimate for the population mean of t the formula d = x - X to calculate the paired differences. Round your answer to one decimal place. paired differences. Let x, be the rating from last year and xz be the rating from this year and use 田 Tables E Keypad Answer How to enter your answer (opens in new window) Keyboard Shortcuts
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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Lesson: 9.3 Comparing Two Population Me.
LORETTA STONE
0/20
Question 3 of 10, Step 1 of 4
Correct
A state legislator wants to determine whether his voters' performance rating (0 - 100) has changed from last year to this year. The following table shows the legislator's
performance from the same ten randomly selected voters for last year and this year. Use this data to find the 98 % confidence interval for the true difference between
the population means. Assume that the populations of voters' performance ratings are normally distributed for both this year and last year.
Rating (last year)
74 83 91
65
55
55 85 55 93
63
Rating (this year)
46
60 82
77
47
80
78
80
91
76
Copy Data
Step 1 of 4: Find the point estimate for the population mean of the paired differences. Let x, be the rating from last year and x2 be the rating from this year and use
the formula d = x2 - x, to calculate the paired differences. Round your answer to one decimal place.
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