Differentiate.
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Outliers pose a problem for which type of average: mean or mode? Explain why. ?
A. ?The mode; An outlier will shift the mode to a different value. B. The mode; An outlier will decrease the frequency of the already existing mode. C. The mean; An outlier will increase the sum of the data values, thus increasing the mean. D. ?The mean; An outlier will decrease the sum of the data values, thus increasing the mean. E. ?Neither; Outliers do not significantly affect either average.
Determine whether the function is one-to-one. If so, find a formula for the inverse.f(x) = 
A. f-1(x) = 
B. f-1(x) = x2 + 6, x ? 0
C. f-1(x) = (x - 6)2
D. Not a one-to-one function
Solve the problem.V = 
?r3, where r is the radius, in centimeters. By approximately how much does the volume of a sphere increase when the radius is increased from 2.0 cm to 2.2 cm? (Use 3.14 for ?.)
A. 10.0 cm3 B. 10.2 cm3 C. 9.8 cm3 D. 1.0 cm3
Provide an appropriate response. Determine the percentage of 72% of 540.
A. 750 B. 133 C. 388.8 D. 75