Standard Dev Excel. The stdev function is meant to estimate standard deviation in a sample. The excel launch.
Enter the values you want to use. You only have the test scores of 5 students. Standard deviation excel 2 7 this means that most data points range is within 2 7 of the average value i e between 3 7 to 9 1 either side of the average value of 6 4.
Standard deviation measures how much variance there is in a set of numbers compared to the average mean of the numbers.
If the standard deviation value is lower then the frequency of the data points is closer to the mean average value. Enter the values you want to use. You only have the test scores of 5 students. Pick a column in which.