1,For the following six questions, you are examining if there is a relationship
ID: 3218534 • Letter: 1
Question
1,For the following six questions, you are examining if there is a relationship between a mother's education level and how long she breastfeeds her child.
Less than
High School
High School
Graduate
College
Graduate
You will test the null hypothesis that education level has no effect on how long a mother breastfeeds her child.
A, Calculate the F statistic.
B, What are the numerator (k-1) degrees of freedom?
C, What are the denominator (n-k) degrees of freedom?
D, Do you retain or reject the null hypothesis (at alpha=0.05)?
E, Conduct a multiple comparisons of means by Tukey's method to determine exactly where the significant differences occur. Calculate the HSD.
F, Which groups were significantly different (at alpha=0.05)? Select all that apply.
Less than
High School
High School
Graduate
College
Graduate
1.0 1.5 11.0 6.5 4.0 6.5 4.5 3.5 4.5 2.0 1.5 7.5 8.5 5.0 9.0Explanation / Answer
One-way ANOVA is used for the analysis.
Answer a
F = 4.6014.
Answer b
2
Answer c
12
Answer d
Reject the null hypothesis
Answer e, f
High school graduates are significantly different from college graduates.
Thanks.
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