Determine the sample size required to estimate the mean score on a standardized test within 4 points of the true mean with 98% c
onfidence. Assume that s = 15 based on earlier studies.
1 answer:
Answer:
67
Step-by-step explanation:
You have to use fractions to show your work and I'm not going to do that but just know that it is the answer.
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Step-by-step explanation:
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