Question

find mean mode median and standard deviation​

Answer 1

Answer:

1. Calculate the mean, x.
2. Write a table that subtracts the mean from each observed value.
3. Square each of the differences.
4. Add this column.
5. Divide by n -1 where n is the number of items in the sample.This is the variance.

HOPE IT HELPS

THANKS FOR WATCHING

Answer 2

Answer:

Mean, Mode, Median, and Standard Deviation. The sample mean is the average and is computed as the sum of all the observed outcomes from the sample divided by the total number of events. We use x as the symbol for the sample mean.