Wednesday

October 1, 2014

October 1, 2014

Posted by **Jodine** on Friday, December 12, 2008 at 10:00pm.

38 35 43 27 24 40 38

21 34 27 35 36 24 33

27 33 44 45 23 33 33

24 33 27 32 35 29 31

A)Calculate the mean,(u), and standard deviationof the data. Answer to the nearest tenth.

(My answer): U=32.3 SD=6.3

B) Calculate the percent sales, to the nearest whole number

i)Within one SD of the mean.

?????????????????????

ii)Within two SD of the mean.

??????????????????????????

- Math-statistics -
**bobpursley**, Friday, December 12, 2008 at 10:28pmOn your standard deviation, I did sigma n-1 and got 6.45. I am not certain what you did.

b. I think it means count the values which are within +- one SD. Count means add them, then divide by the total sales.

- Math-statistics -
**Jodine**, Friday, December 12, 2008 at 11:15pmFor a i used my calc. The 1-Var Stats

- Math-statistics -

**Answer this Question**

**Related Questions**

12th grade Math-statistics - The annual sales, in millions, for 28 toy ...

stats - TABLE 1 The general manager of a chain of pharmaceutical stores ...

Algebra - Two companies sell software products. In 2010. Company 1 had total ...

Principles of Business - Approximately how many people work in the: Finance ...

calculus - Suppose that the sales at Borders bookstores went from 68 million ...

MATH Albera - Sales at a certain department store follow the model where y is ...

HeLP MATH !!!! - The annual sales S (in billion of dollars) of oracle ...

math - The sales, in millions of dollars, of a laser disc recording of a hit ...

math - The sales (in millions of dollars) of a laser disc recording of a hit ...

algebra - The matrix below shows the sales, in thousands of dollars, for three ...