Soth grade GG.23 Box plots ESF
Peter went to his school's swim meet to cheer on the team. The scoreboard showed the time
of each swimmer in the last race.
Swim times (sec.)
60 55 53 50 55 57 59 57
Which box plot represents the data?
Swim times (sec.)
H
H
50
52
54
56
58
60
Swim times (sec.)
50
52
54
56
58
60

A. find the power of the test, when the null hypothesis assumes a population mean of mu = 450, with a population standard deviation of 156, the sample size is 5 and the true mean is 638.47 with confidence intervals of 95 b. find the power of the test, when the null hypothesis assumes a population mean of mu = 644, with a population standard deviation of 174, the sample size is 3 and the true mean is 744.04 with confidence intervals of 95% c. find the power of the test, when the null hypothesis assumes a population mean of mu = 510, with a population standard deviation of 126, the sample size is 10 and the true mean is 529.44 with confidence intervals of 95