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 13:20
Sherina wrote and solved the equation. x-56=230 x-56-56=230-56 x=174 what was sherina’s error? sherina’s work is correct. sherina only needed to subtract 56 from 230. sherina made a subtraction error when subtracting 56 from 230. sherina should have added 56 to both sides of the equation.
Answers: 2
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Complete the equation of the line through (−10,3) and (−8,−8). use exact numbers.
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Mathematics, 21.06.2019 21:00
Choose the equation that represents the graph below: (1 point) graph of a line passing through points negative 3 comma 0 and 0 comma 3 y = x − 3 y = −x + 3 y = −x − 3 y = x + 3 will award !
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