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How to calculate Mean, Standard deviation and Variance excel
Solved by G. L. in 26 mins
how do you calculate percentile rank in excel when the question mean is known for 10 companies. Example the Mean is 3.58 from the sum of the 10 companies Mean divided by 10. The lowest Mean of the 10 organizations is 2.85 and the highest Mean is 4.22
Our goal is to be able to show the percentile rank of the 10 companies for their mean.
Solved by X. W. in 27 mins
Calculate 97% confidence interval for the mean in Excel template given. Ensure the upper and lower limits are provided.Maurice
Solved by F. A. in 18 mins
Here's the question, ''for participants estimates for the jar with 100 jelly beans calculate and present the mean, median, and standard deviation. In addition, calculate the proportion of estimates that were closer than the mean to the correct answer.'' I've already calculated the mean, median and standard deviation but don't know how to do the 2nd part of the question, which is the proportion part.
Solved by B. H. in 25 mins
The sheet names Baseball players, contains salary data on all major league baseball players for year 2015. Generate a simple random sample of size 30 from this population. Calculate the population mean of annual salary. Then calculate the sample mean of annual salary. What is the sampling error.
Solved by O. B. in 21 mins