a. Assuming that the variances in the population of times spent on the website per day are equal, is there evidence of a difference in the mean time spent on the website per day between males and females? (Use a 0.05 level of significance.) Let μ, be the mean daily time spent on the website for male college students and μ2 be the mean daily time spent on the website for female college students. Determine the hypotheses. Choose the correct answer below. OA. Ho: H₁ H₂ H₁: Hy > H₂ OC. Ho: H₁ H₂ H₁ H₁ H₂ OB. Ho: H₁ H₂ H₁: H₁ = H₂ OD. Ho: H₁ H₂ H₁: Hy

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.4: Collecting Data
Problem 3E
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Sample times
Daily time spent (in minutes) on the website for 30 males
10
5
750 300
180 960 60 30
60 120 240 45 120 30 60 45 150
Daily time spent (in minutes) on the website for 30 females
45 75 20 45 15 150 90 150 180
90
30 45 180
60
60
60 270
30
210 210 210 240 240 210
60 15 45 15 120 120
100 210
10 120 60 60
90 10 180 30 120 100
n
Transcribed Image Text:Sample times Daily time spent (in minutes) on the website for 30 males 10 5 750 300 180 960 60 30 60 120 240 45 120 30 60 45 150 Daily time spent (in minutes) on the website for 30 females 45 75 20 45 15 150 90 150 180 90 30 45 180 60 60 60 270 30 210 210 210 240 240 210 60 15 45 15 120 120 100 210 10 120 60 60 90 10 180 30 120 100 n
A local college newsletter reported that the average American college student spends one hour (60 minutes) on a social media website daily. But you wonder if there is a difference between males and
females. Attached below is a sample of 60 users of the website (30 males and 30 females) and their recorded daily time spent on the website. Complete (a) and (b) below.
Click the icon to view the sample times.
a. Assuming that the variances in the population of times spent on the website per day are equal, is there evidence of a difference in the mean time spent on the website per day between males and
females? (Use a 0.05 level of significance.)
Let μ₁ be the mean daily time spent on the website for male college students and µ be the mean daily time spent on the website for female college students. Determine the hypotheses. Choose the correct
answer below.
OA. Ho: H₁ H₂
H₁: H₁ H₂
O C. H₂: H₁ = H₂
H₁: H₁ H₂
OB. H₂: H₁ H₂
H₁ H₁=H₂
OD. H₂: H₁² H₂
H₁: H₁ <H₂
Transcribed Image Text:A local college newsletter reported that the average American college student spends one hour (60 minutes) on a social media website daily. But you wonder if there is a difference between males and females. Attached below is a sample of 60 users of the website (30 males and 30 females) and their recorded daily time spent on the website. Complete (a) and (b) below. Click the icon to view the sample times. a. Assuming that the variances in the population of times spent on the website per day are equal, is there evidence of a difference in the mean time spent on the website per day between males and females? (Use a 0.05 level of significance.) Let μ₁ be the mean daily time spent on the website for male college students and µ be the mean daily time spent on the website for female college students. Determine the hypotheses. Choose the correct answer below. OA. Ho: H₁ H₂ H₁: H₁ H₂ O C. H₂: H₁ = H₂ H₁: H₁ H₂ OB. H₂: H₁ H₂ H₁ H₁=H₂ OD. H₂: H₁² H₂ H₁: H₁ <H₂
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