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What is the correct choice for question 4 Question 4 1 pts The average amount of time boys and girls aged seven to 11 spend

What is the correct choice for question 4

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Question 4 1 pts The average amount of time boys and girls aged seven 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 below. Each populations has a normal distribution. Sample Size Average Number of Hours Playing Sports Per Day Sample Standard Deviation Girls 9 3 0.726 Boys 16 3.2 1.00 Using a TI 83/84 calculator, what is the calculated df. Do not pool the variances. 21.26 O 22.33 20.88

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