Answer:
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Step-by-step explanation:
but i have forgotten the steps in solving this question
-1 1/2
#1
Multiples of 2:
2, 4, 6, 8, <u>10</u>, 12, 14, 16, 18, 20,...
Multiples of 5:
5, <u>10</u>, 15, 20, 25, 30, 35, 40, ...
#2
Multiples of 6:
6, 12, 18, 24, <u>30</u>, 36, 42, 48, 54, 60, ...
Multiples of 10:
10, 20, <u>30</u>, 40, 50, 60, ...
The 95% confidence interval for the mean change in blood pressure, , is 1.744 < < 2.816
The parameters given are;
The number of people in the sample, n = 9
The average drop in blood pressure, = 2.28 points
The standard deviation, σ = 0.82
The confidence level = 95%
The formula for confidence interval with a known mean is given as follows;
Where:
= z - score at 95% confidence level = 1.96
We therefore have;
Which gives the 95% confidence interval for the mean change in pressure, , is given as follows;
1.744 < < 2.816