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Part 1
According to the National Sleep Foundation, children between the ages of 6 and 11 years should get
1010
hours of sleep each night. In a survey of
5252
parents of 6 to 11 year olds, it was found that the mean number of hours the children slept was
8.88.8
with a standard deviation of
3.53.5.
Does the sample data suggest that 6 to 11 year olds are sleeping less than the required amount of time each night? Use the
0.050.05
level of significance.
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Part 1
What type of variable is "hours of sleep"? Choose the correct answer below.
Qualitative
Discrete
Continuous
Your answer is correct.
Part 2
What type of hypothesis test should be conducted to answer the research question? Choose the correct answer below.
A.
Hypothesis test on a population mean
B.
Hypothesis test on a population standard deviation
C.
Hypothesis test on a population proportion