Anhanes report gives data for 654 women aged 20–29 years. the mean bmi of these 654 women was x¯=26.8 . we treated these data as an srs from a normally distributed population with standard deviation =7.5 . (a) suppose that we had an srs of just 100 young women. what would be the margin of error for 95% confidence?

Margin of error would be 1.47 for 95% confidence.

Step-by-step explanation:

Since we have given that

Mean = 26.8

Standard deviation = 7.5

n = 100

We need to find the margin of error for 95% confidence.

So, z = 1.96

So, the margin of error would be

Hence, margin of error would be 1.47 for 95% confidence.

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step-by-step explanation:

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