Your assignment


Please choose the correct answer for each of the following questions The heights of your close friends are 72, 67, 75, 69, 70, 65, 63, 73 (in inches). Answer each of the following questions:
Your name:

Email address:

1. The mean height of this group is::
68.88
60.75
69.25
62.75

2. The standard deviation of this set of data is:
4.09
3.83
2.56
5.34

3. What percent of this groups height is greater than 65 inches:
87.5%
13.57%
12.5%
86.43%

4. What percent of this group is between 68 and 73 inches inclusive:
20.72%
46.58%
50%
36.5%

On a particular day the following temperatures were measured around the Los Angeles Basin area.
Temperatures = { 67, 79, 65, 75, 72, 78, 69 }

5. What is the mean temperature for these cities in the LA Basin:

6. What is the standard deviation for this set of data:

7. What percent of the cities had temperatures less than 66 degrees:

8. What percent of the cities had temperatures between 60 and 73 degrees:

9. What percent of the cities had temperatures above 71 degrees:

10. How much data is between the -3 standard deviation and +1 standard deviation: