A sample was taken from a large population. Here are the gat…
A sample was taken from a large population. Here are the gathered statistics: . A.) If you were to find a 90% confidence interval for the population mean based on the above information, would you use a z-value (Z) or a t-value (T)? [a] B.) What should that value be? [b] Retype your answer. [c] C.) Find the 90% confidence interval. Note: Show your work as: point estimate margin of error, then type the final answer as an interval. (Be sure your answers have 3 decimal places, if needed.) [d] [e] or ([f], [g])
Read DetailsA population has 1100 members and its standard deviation is…
A population has 1100 members and its standard deviation is . Determine the size of the standard error if your sample is formed from 100 members of this population. (Use 3 decimal places in your answer.) [a] Retype your answer. [b]
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