Heights and Gender It is a well-accepted fact that males are taller on the average than females. But how much taller? The genders of 105 biomedical students were also recorded and the data are summarized below: Males Females Sample Size 48 77 Sample Mean 69.58 64.43 Sample 2.62 2.58 Standard Deviation a. Perform a test of hypothesis to either confirm or refute our initial claim that males are taller on the average than females? Use a = .01. b. If the results of part a show that our claim was correct, construct a 99% confidence one- sided lower confidence bound for the average difference in heights between male and female college students. How much taller are males than females?

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Heights and Gender It is a well-accepted fact
that males are taller on the average than
females. But how much taller? The genders of
105 biomedical students were also recorded
and the data are summarized below:
Males
Females
Sample Size
48
77
Sample Mean
69.58
64.43
Sample
2.62
2.58
Standard
Deviation
a. Perform a test of hypothesis to either confirm
or refute our initial claim that males are taller
on the average than females? Use a = .01.
b. If the results of part a show that our claim
was correct, construct a 99% confidence one-
sided lower confidence bound for the average
difference in heights between male and female
college students. How much taller are males
than females?
Transcribed Image Text:Description Heights and Gender It is a well-accepted fact that males are taller on the average than females. But how much taller? The genders of 105 biomedical students were also recorded and the data are summarized below: Males Females Sample Size 48 77 Sample Mean 69.58 64.43 Sample 2.62 2.58 Standard Deviation a. Perform a test of hypothesis to either confirm or refute our initial claim that males are taller on the average than females? Use a = .01. b. If the results of part a show that our claim was correct, construct a 99% confidence one- sided lower confidence bound for the average difference in heights between male and female college students. How much taller are males than females?
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