Mathematics, 24.09.2019 04:20 amycressey1970
Aresearcher would like to evaluate the claim that large doses of vitamin c can prevent the common cold. one group of participants is given 500 mg of vitamin c (500mg per day) and a second group is given a placebo (sugar pill). the researcher records the number of colds each individual experiences during the 3-month winter season. a. identify the dependent variable for this study.
b. is the dependent variable discreet or continuous?
c. what scale of measurement (nominal, ordinal, interval, or ratio) is used to measure the dependent variable.
Answers: 2
Mathematics, 21.06.2019 20:30, ellie55991
Graph the line that represents a proportional relationship between d and t with the property that an increase of 33 units in t corresponds to an increase of 44 units in d. what is the unit rate of change of dd with respect to t? (that is, a change of 11 unit in t will correspond to a change of how many units in d? )
Answers: 3
Mathematics, 21.06.2019 21:00, cjgonzalez981
Type the correct answer in each box. use numerals instead of words. if necessary, use / fir the fraction bar(s). the graph represents the piecewise function: h
Answers: 3
Mathematics, 21.06.2019 21:30, gungamer720
Aladder that is 20ft long is leaning against the side of a building. if the angle formed between the ladder and the ground is 75 degrees how far is the bottom of the from the base of the building?
Answers: 1
Aresearcher would like to evaluate the claim that large doses of vitamin c can prevent the common c...
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