According to the National Sleep Foundation, children between the ages of 6 and 11 years should get 10
hours of sleep each night. In a survey of 52
parents of 6 to 11 year olds, it was found that the mean number of hours the children slept was 8.7
with a standard deviation of 3.4
.
Does the sample data suggest that 6 to 11 year olds are sleeping less than the required amount of time each night? Use the 0.05
level of significance.
Question content area bottom
Part 1
What type of variable is "hours of sleep"? Choose the correct answer below.
Continuous
Discrete
Qualitative
Continuous
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