Ahigh-speed train is moving at a speed of 210 mph. which speeds are the same as the train’s speed? choose all answers that are correct. 12,600 mi/min 5040 mi/day 18,480 ft/min 308 ft/h

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