Which of the following is a statistical question? a. how many students know how much they weigh? b. what is kaycee's weight? c. how many students are in kaycee's reading class? d. what are the weights of the students in kaycee's reading class?

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