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  3. 1. a sociologist claims that children ages 6-17 sp

1. A sociologist claims that children ages 6-17 spend less time watching television today than children...

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Basic Math

1. A sociologist claims that children ages 6-17 spend less timewatching television today than children ages 6-17 in 200 1 did. Astudy was conducted recently and a similar study was conducted in2001. The results are given below:

Recently 2001

Mean amount of time ( hours per weekday) 1.76 2.13

Sample standard deviation 0.47 0.49

Sample Size 40 35

a. Test the claim of the sociologist at 10% level ofsignificance.

Use classical approach and label all steps clearly

b. Test the claim of the sociologist at 10% level of

significance. Use P-value method and label all steps clearly

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