The mean number of English courses taken in a two-year time
period by male and female college students is believed to be about
the same. An experiment is conducted and data are collected from 29
males and 16 females. The males took an average of two English
courses with a standard deviation of 0.7. The females took an
average of three English courses with a standard deviation of 0.9.
Are the means statistically the same? (Use
period by male and female college students is believed to be about
the same. An experiment is conducted and data are collected from 29
males and 16 females. The males took an average of two English
courses with a standard deviation of 0.7. The females took an
average of three English courses with a standard deviation of 0.9.
Are the means statistically the same? (Use
α = 0.05)
a) State the distribution to use for the test. (Enter your
answer in the form z or tdf where df is the degrees of freedom.
Round your answer to two decimal places.)
answer in the form z or tdf where df is the degrees of freedom.
Round your answer to two decimal places.)
b) What is the test statistic? (If using the z distribution
round your answer to two decimal places, and if using the t
distribution round your answer to three decimal places.)
round your answer to two decimal places, and if using the t
distribution round your answer to three decimal places.)
t=___________
c) What is the p-value? (Round your answer to four decimal
places.)
places.)