Metric countries rate fuel efficiency of a car by number of liters of gas required to drive 100 km if car takes 12 liters per 100 km what is it’s efficiency In miles per gallon? Use conversion 1gal= 3.7854 L and 1 mile= 1.6 km

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