)pls me out how to solve question a? using the above data given for functions ..
pls write the answer step by step in paper )

which of the following sets of data would produce the largest value for an independent-measures t statistic? the two sample means are 10 and 20 with variances of 20 and 25 the two sample means are 10 and 20 with variances of 120 and 125 the two sample means are 10 and 12 with sample variances of 20 and 25 the two sample means are 10 and 12 with variances of 120 and 125

Which of the following is not a subset of {1,2,3}?

How many square centimeters of wrapping paper will be used to wrap the shoe box?