Standard Deviation on TI-84

Enter

Stat

Math

Mode

Stat

Med-Med

Quad Reg

1-Var Stats

You can tell that the Mean is a big number.

You know that the Median is close to the Mean.

You know that the data are very spread out.

You know that the data are very close to the mean.

Mean 7.8, standard deviation 5

Mean 7.8, standard deviation 4.9

Mean 39, standard deviation 4.4

Mean 7.8, standard deviation 4.4

The data vary by less than 2 points from the mean.

The scores are mostly less than 100

The data are very spread out and are all higher than 112

68% of the data are between 110.5 and 113.9

95% of the data are between 110.5 and 113.9

99.7% of the data are betweeen 110.5 and 113.9

25% of the data are between 110.5 and 113.9

The data are very spread out.

The data are very close to the mean.

95% of the data are between 0.16 and 0.3

68% fo the data are between 0.14 and 0.46

How spread out the data are from the mean.

How big the average value is.

How many values you have in your data set.

How many values are above 100.