Content!
Find the mean and standard deviation of the following set of numbers.
12, 7, 9, 10, 9, 13, 5
Step one. To find the standard deviation on a scientific calculator press second smf press the data button. Press enter on 1-var.
Step two. Press data.
Step three. Put in the number .
Step four. Press down frq is the amount of times you see the number in the set.
Step five. Complete steps three and four for all the numbers.
Step six. Press statvar.
Step seven. the x with the line over it is the mean, Sx is the standard deviation.
Examples !
Find the mean and standard deviation of the following sets of numbers.
10, 9, 7, 8, 3, 9, 12
12, 15, 19, 20, 31, 7
15, 27, 13, 1, 7, 9, 12
Standards !
MM2D1. Using sample data, students will make informal inferences about
population means and standard deviations.
b. Understand and calculate the means and standard deviations of sets of data.
Content!Find the mean and standard deviation of the following set of numbers.
12, 7, 9, 10, 9, 13, 5
Step one. To find the standard deviation on a scientific calculator press second smf press the data button. Press enter on 1-var.
Step two. Press data.
Step three. Put in the number .
Step four. Press down frq is the amount of times you see the number in the set.
Step five. Complete steps three and four for all the numbers.
Step six. Press statvar.
Step seven. the x with the line over it is the mean, Sx is the standard deviation.
Examples !
Find the mean and standard deviation of the following sets of numbers.
10, 9, 7, 8, 3, 9, 12
12, 15, 19, 20, 31, 7
15, 27, 13, 1, 7, 9, 12
Standards !
MM2D1. Using sample data, students will make informal inferences about
population means and standard deviations.
b. Understand and calculate the means and standard deviations of sets of data.