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The following table contains information on the amount of time spent each day (on average) on social networks and the Internet for social or entertainment purposes and the grade point average for a random sample of 12 college students. Time (hours per day) 4.2 6.2 4.2 1.6 4.7 5.2 1.4 2.0 6.1 3.2 4.5 3.5 GPA 3.22 2.21 3.13 3.69 2.70 2.20 3.69 3.25 2.66 2.89 2.71 3.36 a. Construct a 98 % confidence interval for B. Round your answers to three decimal places. to i b. Test at the 1 % significance level whether B is negative. Based on a 1 % significance level test, we conclude that B * negative.

The following table contains information on the amount of time spent each day (on average) on social networks and the Internet for social or entertainment purposes and the grade point average for a random sample of 12 college students. Time (hours per day) 4.2 6.2 4.2 1.6 4.7 5.2 1.4 2.0 6.1 3.2 4.5 3.5 GPA 3.22 2.21 3.13 3.69 2.70 2.20 3.69 3.25 2.66 2.89 2.71 3.36 a. Construct a 98 % confidence interval for B. Round your answers to three decimal places. to i b. Test at the 1 % significance level whether B is negative. Based on a 1 % significance level test, we conclude that B * negative.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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The following table contains information on the amount of time spent each day (on average) on social networks and the Internet for social or entertainment purposes and the grade point average for a random sample of 12 college students. Time (hours per day) 4.2 6.2 4.2 1.6 4.7 5.2 1.4 2.0 6.1 3.2 4.5 3.5 GPA 3.22 2.21 3.13 3.69 2.70 2.20 3.69 3.25 2.66 2.89 2.71 3.36 a. Construct a 98 % confidence interval for B. Round your answers to three decimal places. i to i b. Test at the 1 % significance level whether B is negative. Based on a 1 % significance level test, we conclude that B * negative. eTexthook and Media
Transcribed Image Text:The following table contains information on the amount of time spent each day (on average) on social networks and the Internet for social or entertainment purposes and the grade point average for a random sample of 12 college students. Time (hours per day) 4.2 6.2 4.2 1.6 4.7 5.2 1.4 2.0 6.1 3.2 4.5 3.5 GPA 3.22 2.21 3.13 3.69 2.70 2.20 3.69 3.25 2.66 2.89 2.71 3.36 a. Construct a 98 % confidence interval for B. Round your answers to three decimal places. i to i b. Test at the 1 % significance level whether B is negative. Based on a 1 % significance level test, we conclude that B * negative. eTexthook and Media
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