The average amount of time boys and girls aged 7 to 11 spend playing sports each...

The average amount of time boys and girls aged 7 to 11 spend playing sports each day is believed to
be the same. A study is done and data are collected, resulting in the data in the following table.

Sample Size

Average Number of Hours Playing

Sports per day

Sample Standard

Deviation

Girls

0.866

Boys

3.2

1.00

a. Define the appropriate parameter(s) and state the hypotheses for testing if this study provides evidence that the mean amount of time boys and girls aged 7 to 11 play sports each day differs.

b. Set each of the hypotheses equal to zero and find the null value.a. Define the appropriate parameter(s) and state the hypotheses for testing if this study
provides evidence that the mean amount of time boys and girls aged 7 to 11 play sports each day
differs.

Solutions

Expert Solution

t table as follows:

orchestra answered 1 year ago

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