Question 577847
use the confidence interval to find the margin of error and the sample mean (0.532, 0.650)
The range of the CI is ALWAYS 2*ME
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2ME = 0.650-0.532 = 0.118
ME = 0.029
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sample mean + ME = 0.650
sample mean + 0.029 = 0.650
sample mean = 0.621
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cheers,
Stan H.