Solve the problem.Which of the following [A), B), C), or D)] is not part of the five-number summary of a data set?
A. the median of the data set
B. the average of the data set
C. the first quartile of the data set
D. the smallest value in the data set
E. all of these are given in the five-number summary.
Answer: B
Mathematics
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Find the length and direction (when defined) of u × v.u = 2i + 2j - k, v = -i + k
A. 3; 
i - 
j + 
k
B. 3; 
i + 
j - 
k
C. 9; 
i + 
j - 
k
D. 9; 
i - 
j + 
k
Mathematics
Solve the problem.Find a field G = P(x, y)i + Q(x, y)j in the xy-plane with the property that at any point (a, b) ? (0, 0), G is a vector of magnitude 
tangent to the circle x2 + y2 = a2 + b2 and pointing in the clockwise direction.
A. xi - yj B. xi + yj C. -yi + xj D. yi - xj
Mathematics
Perform the indicated operation and, if possible, simplify.
- 
A. 
B. 4
C. 
D. 
Mathematics
Evaluate.5xy
for x = 1, y = 3
A. 18 B. 12 C. 9 D. 15
Mathematics