Assume that the populations follow a normal distribution with equal variances. Is there a difference in the mean amount of time boys and girls spend playing sports each day? Test at 5% level of significance.
Assume that the populations follow a normal distribution with equal variances. Is there a difference in the mean amount of time boys and girls spend playing sports each day? Test at 5% level of significance.
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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![Question 5
The average amount of time boys and girls of ages 7 through 11 spend playing sports each day is
believed to be the same. An experiment is done and data is collected, resulting in the table below.
Assume that the populations follow a normal distribution with equal variances. Is there a difference
in the mean amount of time boys and girls spend playing sports each day? Test at 5% level of
significance.
Girl
Boys
Sample size Average number of hours playing Sample standard
deviation
sports per day
2 hours
0.75
3.2 hours
9
16](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F81bef884-df4c-4d3b-99bf-a011128e6088%2Feb4269b1-c4c8-42e3-bdf6-cfe94d7b0f8c%2Fo8lkp6q_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Question 5
The average amount of time boys and girls of ages 7 through 11 spend playing sports each day is
believed to be the same. An experiment is done and data is collected, resulting in the table below.
Assume that the populations follow a normal distribution with equal variances. Is there a difference
in the mean amount of time boys and girls spend playing sports each day? Test at 5% level of
significance.
Girl
Boys
Sample size Average number of hours playing Sample standard
deviation
sports per day
2 hours
0.75
3.2 hours
9
16
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