A(n) ________ is a business intelligence tool which extrapolates future values based on current trends.
A. analysis of variance
B. forecast worksheet
C. standard deviation
D. frequency
Answer: B
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Recall that the worst number of inversions occur in an array sorted in descending order, in which each of the n elements is inverted with the other n – 1 elements. Why then, is the maximum number of inversions n( n – 1 ) / 2 instead of n( n – 1 )?
``` 1 for each j, from 1 to the length of A – 1 2 temp = A[ j ] 3 i = j – 1 4 while i is greater than -1 and A[ i ] is greater than temp 5 A[ i + 1 ] = A[ i ] 6 i— 7 A[ i + 1] = temp ``` A. There is only a 50% chance that each inversion will occur. B. Since we are only sorting half the array, on average, we divide by 2 to compensate. C. We are counting each inversion twice, so we must divide by 2. D. Since we only need to swap the element at a front position of the array with the element in the corresponding back position of the array, one swap puts 2 elements in their proper positions, and so we divide by 2
Case-Based Critical Thinking QuestionsCase 10-1Training unlimited is planning to create a page that will allow users to e-mail their requests for the training videos to add to their online training offerings. To prevent the training orderer from receiving spam, the Web designers should ____ e-mail addresses.
A. encrypt B. reverse C. scramble D. none of the above
The purpose of a network is to share resources.
Answer the following statement true (T) or false (F)
The Task Usage view shows tasks with assigned resources indented below each task on the left and the number of hours of each resource that is assigned to each task in a day-by-day format on the right.
Answer the following statement true (T) or false (F)