Suppose that the following table gives the number of thousands of students in grades 9 through 12 fo
Question: Suppose that the following table gives the number of thousands of students in grades 9 through 12 for public schools in the u.s. Let X represent the grade level.
Grade (X). 9. 10. 11. 12
Frequency. 3872. 3229. 3119. 2929
A) construct the probability distribution of X
B) calculate the mean of X, and interpret the result
C) calculate the variance of X
D) calculate the standard deviation of X, and interpret the result
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See Answer: The solution consists of 2 pages
Deliverables: Word Document![](/images/msword.png)
Deliverables: Word Document
![](/images/msword.png)