When the population standard deviation is unknown and the sample size is less than 30, what table
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When the population standard deviation is unknown and the sample size is less than 30, what table value should be used in computing a confidence interval for a mean?
a. z
b. t
c. Chi-square
d. None of the above
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Related Book For
Elementary Statistics A Step By Step Approach
ISBN: 9780077665807
9th Edition
Authors: Allan G. Bluman
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