If we take many samples, the sample means x varies from sample to sample according to a
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Question:
If we take many samples, the sample means x varies from sample to sample according to a Normal distribution with a mean equal to the unknown mean score ? in the population.
What is the standard deviation of this sampling distribution?
Fill in the blank:
2.According to the 95 part of the 68-95-99.7 rule, 95% of all values of x fall within ____ on either side of the unknown mean ?.
What is the missing number?
3.Fill in the blank
The 95% confidence interval for the population mean score? based on this one sample is between ____ and ____.
4. (15.03) The Survey of Study Habits and Attitudes (SSHA) is a psychological test that measures students
Related Book For
Statistics Principles and Methods
ISBN: 978-0470904114
7th edition
Authors: Richard A. Johnson, Gouri K. Bhattacharyya
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