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Suppose a new study is interested in the effectiveness of a vitamin supplementation program at reducing resting heart rate. Researchers will use each participant as his own control. Assume the following table represents the outcome for each participant, and that the sample can be approximated by a normal distribution.
Participant Resting heart rate (bpm) Resting heart rate (bpm)
Vitamin Supplementation No Supplementation
A 67 72
B 66 74
C 67 73
D 62 74
PE 69 77
F 65 72
A) What type of study design is this?
B) Aarry out a paired-sample t test to investigate the effectiveness at reducing the resting heart rate with the vitamin program. Write out your null and alternative hypotheses using an α=0.05.
Please show your work. I'm trying to understand it.
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