Mathematics, 20.04.2020 23:54 kelseydavid69
In order to assess the effects of exercise on reducing cholesterol, a researcher took a random sample of fifty people from a local gym who exercise regularly and another random sample of fifty people from the surrounding community who did not exercise regularly. They all reported to a clinic to have their cholesterol measured. The subjects were unaware of the purpose of the study, and the technician measuring the cholesterol was not aware of whether or not subjects exercised regularly. This is a(n) .a. observational study
b. experiment, but not a double blind experiment
c. double blind experiment
d. matched pairs experiment
e. block design
Answers: 3
Mathematics, 21.06.2019 19:30, joselinegarciaowyrpf
Asquare picture with sides of 32 inches is to be mounted on a square mat with sides of 52 inches. find the area of the mat that will remain uncovered by the picture.
Answers: 1
Mathematics, 21.06.2019 22:10, carsondelane13
Monitors manufactured by tsi electronics have life spans that have a normal distribution with a standard deviation of 1800 hours and a mean life span of 20,000 hours. if a monitor is selected at random, find the probability that the life span of the monitor will be more than 17,659 hours. round your answer to four decimal places.
Answers: 2
Mathematics, 22.06.2019 00:20, KillerSteamcar
Abag contains pieces of paper numbered from 5 to 9. a piece of paper is drawn at random. what is the theoretical probability of drawing a number less than 8?
Answers: 1
Mathematics, 22.06.2019 06:00, Jimenezmiranda
Angle a and angle b are both supplementary angles. what must be true about the angles?
Answers: 1
In order to assess the effects of exercise on reducing cholesterol, a researcher took a random sampl...
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