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mina [271]
3 years ago
15

Forty adult males volunteered to participate in an experiment. Half of them are randomly assigned to take a caffeine supplement

before working out, and the other half are assigned to take a placebo before completing the same workout. During the workout, heart rate monitors will be used to measure each participant’s heart rate. The study found that those who took a caffeine supplement had significantly higher average pulse rates during the workout. What conclusion can be drawn from the study?
Social Studies
2 answers:
Anit [1.1K]3 years ago
6 0

Answer:

Pulse rates are directly related to caffeine intake.

Explanation:

Pulse rates are directly related to caffeine intake.

'Two variables are directly related' imply that : One variable increase, other variable increase & one variable decrease, other variable decrease

'Two variables are inversely related' imply that : One variable increase, other variable decrease & one variable decrease, other variable increase.

As, the experiment observed that, group having caffeine intake had significantly higher pulse rates. So, caffeine intake & pulse rate are directly related.

andreyandreev [35.5K]3 years ago
6 0

Answer:

E    Caffeine supplements will, on average, raise the heart rates of adult males similar to those in this study during a workout similar to the one performed in the experiment.

Explanation:

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