Mathematics, 18.02.2020 22:04 zavalaaria
You are comparing the heights of contemporary males at 18th century males. the sample mean for a sample of 30 contemporary males is 70.1 in with a sample standard deviation of 2.52 in the sample mean for the 18th century males was 65.2 in with a sample standard deviation of 3.51 in is there sufficient data to conclude that contemporary males are taller than 18th century males
Answers: 1
Mathematics, 21.06.2019 19:00
How do i start to solve? would appreciate a walk-thru! a bird sitting 16ft above the ground in an apple tree dislodges an apple. after how many seconds does the apple land on the ground? (assuming that no branches will interfere with it's fall)
Answers: 1
Mathematics, 21.06.2019 22:50
Ur environment is very sensitive to the amount of ozone in the upper atmosphere. the level of ozone normally found is 4.04.0 parts/million (ppm). a researcher believes that the current ozone level is not at a normal level. the mean of 2525 samples is 4.44.4 ppm with a standard deviation of 0.80.8. assume the population is normally distributed. a level of significance of 0.020.02 will be used. make the decision to reject or fail to reject the null hypothesis. answer tables
Answers: 3
You are comparing the heights of contemporary males at 18th century males. the sample mean for a sam...
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