BugMeNot BugMeNot

18-01-2023
Mathematics

Answered

You are constructing a 90% confidence interval for a sample consisting of n = 9 values and an unknown population standard deviation. The population appears to be very skewed. Determine whether a margin of error should be calculated using a critical value of zα/2, a critical value of tα/2, or neither.

A. a critical value of zα/2
B. a critical value of tα/2
C. neither

Answer :

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