A random sample of 80 items is found to have a mean of 42 and standard deviation of 7. Find 99%confidence interval for t

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A random sample of 80 items is found to have a mean of 42 and standard deviation of 7. Find 99%confidence interval for t

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A Random Sample Of 80 Items Is Found To Have A Mean Of 42 And Standard Deviation Of 7 Find 99 Confidence Interval For T 1
A Random Sample Of 80 Items Is Found To Have A Mean Of 42 And Standard Deviation Of 7 Find 99 Confidence Interval For T 1 (32.62 KiB) Viewed 79 times
A random sample of 80 items is found to have a mean of 42 and standard deviation of 7. Find 99%confidence interval for the mean of the population from which the sample is drawn. [3 Marks]
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