The average human is able to jump vertically with an initial speed of 8.5 ft/s. what is the hang time of such a jump, ignoring air resistance? use the formula , where h is the height off the ground in feet and t is the time in seconds after the jump. round your answer to the nearest tenth.

Aresearcher created three groups based on participants bmi: normal weight, overweight and obese. the hypothesis being tested is that the three groups differ in the mean number of artificially sweetened drinks consumed weekly. which statistical test might the researcher use, assuming a reasonably normal distribution of values.