Unnithan, houser, and fernhall (2006) were interested in whether playing the game dance dance revolution (ddr) affected the heart rate of overweight and nonoverweight adolescents differently. a group of 22 adolescents, 10 classified as overweight and 12 as not overweight, played ddr for 12 minutes, during which time the researchers measured each participant's heart rate. which statistical test should the researchers use to analyze their data? independent-samples t test dependent-samples t test z test single-sample t test

As part of an annual fundraiser to raise money for diabetes research, diane joined a bikeathon. the track she biked on was 1,920 yards long. diane biked 38.5 laps. her sponsors agreed to donate an amount of money for each mile she biked. how many miles did she bike? first fill in the blanks on the left side using the ratios shown. then write your answer. given ratios: 5280ft / 1 mi , 1 mi /5280 ft , 1,920 yards / 1 lap , 1 lap / 1,920 yards , 3 ft / 1 yard , 1 yard / 3 ft. blanks: 38.5 laps / 1 yard x (blank) x (blank) x (blank) = (blank) miles i'm really confused on how to do this, and the explanations aren't exactly . if you could walk me through how to do this, it would be greatly appreciated.

Plz.yesterday, the snow was 2 feet deep in front of archie’s house. today, the snow depth dropped to 1.6 feet because the day is so warm. what is the percent change in the depth of the snow?

Which will form a composite function?