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How to calculate Mean, Variance, and Standard deviation

Solved by G. L. in 26 mins

how to calculate mean, standard deviation, first and second quartile, on Excel Online

Solved by V. H. 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

(Statistics with excel) I need help with Hyper Geometric DISTRIBUTION.

Solved by K. H. in 11 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