What are the more appropriate measures of center and spread for this data set?
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Select two choices: one for the center and one for the spread.
A. Better measure of spread: interquartile range (IQR)
B. Better measure of center: mean
C. Better measure of center: median
D. Better measure of spread: standard deviation

Is there a direction u in which the rate of change of f(x, y)equals=x squared minus 3 xy plus 4 y squaredx2−3xy+4y2 at p(1,2) equals 14? give reasons for your answer. choose the correct answer below. a. no. the given rate of change is smaller than the minimum rate of change. b. no. the given rate of change is larger than the maximum rate of change. c. yes. the given rate of change is larger than the minimum rate of change and smaller than the maximum rate of change.