Summarize the empirical rule. ...

[hbsimmons88]

Summarize the empirical rule.

Question 2

The chapter notes that the standard deviation will always be larger than the mean absolute deviation. Explain why.

[jessofishing]

Answer to Question 1

For distributions that are bell-shaped and symmetrical: 1) About 68 of observations will fall within 1 standard deviation of the mean. 2) About 95 of observations will fall within 2 standard deviations of the mean. 3) Practically all observations will fall within 3 standard deviations of the mean.

Answer to Question 2

When the extreme values are squared, they affect a greater influence.

[hbsimmons88]

TY

[jessofishing]

You're welcome