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How would standard error change if sample size is given

A survey of 25 randomly selected customers found the ages shown (in years). The mean is 32.56 years and the standard deviation is 9.15 years.

a) What is is the standard error of the mean?

b) How would the standard error change if the sample size had been 100 instead of 25?

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Basic Statistics: How would standard error change if sample size is given

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Solution Preview :

Prepared by a verified Expert

Basic Statistics: How would standard error change if sample size is given

Reference No:- TGS0684238

Have a Question? (oR Write a Review)

Recent Questions Asked Basic Statistics

Q : Number based on level of education earned

Q : What percentage of grapefruits in orchard is larger

Q : Should claim be rejected for a random sample of teenagers

Q : Is standard deviation really less than previously thought

Q : How would standard error change if sample size is given

Q : Probability that exactly three employees will be selected

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Solution Preview :

Prepared by a verified Expert

Basic Statistics: How would standard error change if sample size is given

Reference No:- TGS0684238

Recent Questions Asked Basic Statistics

Q : Number based on level of education earned

Q : What percentage of grapefruits in orchard is larger

Q : Should claim be rejected for a random sample of teenagers

Q : Is standard deviation really less than previously thought

Q : How would standard error change if sample size is given

Q : Probability that exactly three employees will be selected

Q : Company sales and net earnings

Q : Determine the percentile that is required to construct ci

Q : Consumer price index

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