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 18:00
Find the slope and the y-intercept if there's one and the equation of the line given these two points( 3, 2) and( 3, -4)
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Mathematics, 21.06.2019 18:30
Jamie went to home depot.she bought 25 bags of soil that cost $9 per bag.she bought 15 pots at $8 each,and she bought 23 bags of pebbles at $15 each.she used a coupon that gave her $5 off for every 100 dollars she spent.how much did jame pay at the end?
Answers: 1
Mathematics, 21.06.2019 21:00
Solve this problem! extra ! 3025/5.5 = a/90.75 / = fraction
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Mathematics, 21.06.2019 23:20
Point r divides in the ratio 1 : 5. if the coordinates of e and f are (4, 8) and (11, 4), respectively, what are the coordinates of r to two decimal places?
Answers: 3
In order to assess the effects of exercise on reducing cholesterol, a researcher took a random sampl...
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