GRE Exam Dumps : GRE General Test

Exhibit.

The variance of n numerical data x1, x2, x3, , , , , xn with the mean x is equal to were S is the sum of the equal differences for

For the shares of stock purchased and then sold by the investors shown, the mean of the 5 numbers for Stock Y is 50 and the corresponding mean for Stock X is 70. The variance of the 5 numbers for Stock }' is what fraction of the corresponding variance for Stock X ?

A)

B)

C)

D)

E)

Cole makes the argument that while some advocates of government transparency seem to treat any exposure of state secrets as an (i)_________. that position is (ii)_________; there are many legitimate bases for (hi)_________ disclosures. Cole contends, particularly when they reveal the identities of sources and methods of foreign intelligence.

For a list of k consecutive integers, the median is m and the range is r. Which of the following must be equal to K?