Larger proportion of college
students than young children
Do a larger proportion of college
students than young children eat cereal? Researchers surveyed both age groups
to find the answer. The resulsts are shown in the table below.
A. State the hypotheses used to
answer the question
B. Using a=.05, state the decision
rule and sketch it
C. Find the sample proportions and
z statistic
D. Make a decision
E. Find the p-value and interpret
it.
F. Is the normailty assumption
fulfilled? Explain.
Statistic College Students ages
18-25 Young Children ages 6-11
Number who eat cereal x1=833
x2=692
Number surveyed n1=850 n2=740
ScholarMatic: Explanation & Answer
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