What’s the correct answer for this question?

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 type of graph would allow us to compare the median number of teeth for mammals and reptiles easily

The functions below show the amount of money bella and sweet t had saved after earning money for doing chores. which description best compares the two functions?