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
3 answers
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
A.
Hypothesis test on a population mean
B.
Hypothesis test on a population standard deviation
C.
Hypothesis test on a population proportion
A. Hypothesis test on a population mean
4 answers