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Use the confidence interval to find the margin of error and the sample mean.

(15.1,22.3)

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Jesús
JesúsLv7
17 Mar 2021
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Related textbook solutions

Introductory Statistics
OER Edition, 2013
Openstax
ISBN: 9781938168208

Related questions

1. A sample of size n=49 is drawn from a population whose standard deviation is .

(a) Find the margin of error for a 95%confidence interval for .

b) If the sample size were n=60, would the margin of error be larger would be larger or smaller.

2.  Determine the point estimate of the population mean and margin of error for the confidence interval. The lower bound is 23; the upper bound is 27. The point estimate of the population mean is? The margin of error for the confidence interval is?

 

Suppose a random sample of size 10 was taken from a normally distributed population, and the sample standard deviation was calculated to be s = 5.2.

 

a)  Calculate the margin of error for a 95% confidence interval for the population mean.

 

Give your response to at least 3 decimal places.

   

 

 

b)  Calculate the margin of error for a 90% confidence interval for the population mean.

 

Give your response to at least 3 decimal places.

 

Determine the point estimate of the population mean and margin of error for the confidence interval. Lower bound is 17, upper bound is 27. The point estimate of the population mean is The margin of error for the confidence interval is 1.

 

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