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A pilot study is run to investigate the effect of a lifestyle intervention designed to increase...

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Basic Math

A pilot study is run to investigate the effect of a lifestyleintervention designed to increase medication adherence in patientswith HIV. Medication adherence is measured as the percentage ofprescribed pills that are taken over a one-week observation period.Ten patients with HIV agree to participate and their medicationadherence before and after the intervention are shown below.Compute the standard deviation of the difference in adherencebefore versus after intervention. Please show your work andexplain.Thank you!

Participant ID

Before Intervention

After Intervention

1

75%

80%

2

82%

84%

3

66%

70%

4

74%

70%

5

88%

90%

6

66%

75%

7

51%

60%

8

93%

90%

9

88%

90%

10

91%

95%

Answer & Explanation Solved by verified expert
4.4 Ratings (572 Votes)
The standard deviation of the difference in adherence beforeversus after intervention is obtained as    See Answer
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