Mean s n
Men 117.5 9.7 6
Women 126.8 12.0 4
A. Construct a 95% CI for the difference in mean systolic blood pressures between men and women with the data above.
*Remember to use t instead of z, the degrees of freedom for two same procedure is defined as: df=n1 + n2 - 2 = 4 + 6 -2 = 8
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