Which operation would you do third in the following problem?
1 answer:
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Answer: 0.701
Step-by-step explanation:
Formula : , where
significance level ,
Population standard deviation, n= sample size.
As per given, n= 22
Critical z- value for 90% confidence level :
Then,
Hence , error bound (EBM) of the confidence interval with a 90% confidence level= ± 0.701