68-95-99.7 Rule

The salary of teachers in the U.S. is normally distributed. The average salary of teachers in the U.S. is $47,750 with a standard deviation of $5,680. (Avg. teacher salary in IL is $59,113 woot woot!)

68% of teachers in the U.S. make between __________ and ________.

• $42,070 and $53,430

• $42,070 and $59,110

• $36,390 and $53,430

• $36,390 and $59,110

The salary of teachers in the U.S. is normally distributed. The average salary of teachers in the U.S. is $47,750 with a standard deviation of $5,680.

95% of teachers in the U.S. make between __________ and ________.

• $42,070 and $53,430

• $42,070 and $59,110

• $36,390 and $53,430

• $36,390 and $59,110

The salary of teachers in the U.S. is normally distributed. The average salary of teachers in the U.S. is $47,750 with a standard deviation of $5,680.

99.7% of teachers in the U.S. make between __________ and ________.

• $30,710 and $53,430

• $30,710 and $64,790

• $36,390 and $64,790

• $36,390 and $59,110

The salary of teachers in the U.S. is normally distributed. The average salary of teachers in the U.S. is $47,750 with a standard deviation of $5,680.

What percent of teachers make between $47,750 and $53,430?

• 13.5%

• 34%

• 84%

• 47.5%

The salary of teachers in the U.S. is normally distributed. The average salary of teachers in the U.S. is $47,750 with a standard deviation of $5,680.

What percent of teachers make more than $42,070 yearly?

• 13.5%

• 34%

• 84%

• 47.5%

The salary of teachers in the U.S. is normally distributed. The average salary of teachers in the U.S. is $47,750 with a standard deviation of $5,680.

What percent of teachers make between $53,430 and $59,110?

• 13.5%

• 34%

• 84%

• 47.5%

The average life expectancy of dogs is normally distributed. The mean age is 13.4 years with a standard deviation of 2.3 years.

What percent of dogs live between 11.1 and 18 years?

• 34%

• 68%

• 47.5%

• 81.5%

The average life expectancy of dogs is normally distributed. The mean age is 13.4 years with a standard deviation of 2.3 years.

What percent of dogs live between 13.4 and 18 years?

• 34%

• 68%

• 47.5%

• 81.5%

The average life expectancy of dogs is normally distributed. The mean age is 13.4 years with a standard deviation of 2.3 years.

What percent of dogs live between 8.8 and 13.4 years?

• 34%

• 68%

• 47.5%

• 81.5%

The average life expectancy of dogs is normally distributed. The mean age is 13.4 years with a standard deviation of 2.3 years.

68% of dogs live between ____ and ____ years?

• 6.5 and 20.3

• 11.1 and 15.7

• 8.8 and 18

• 13.4 and 20.3