Given the sample data below, use the defining formula to compute the sample variance. Round your answer to two decimal places, if necessary.
30, 21, 13, 18, 16, 26
a. 5.82
b. 24.8
c. 33.89
d. 40.67
e. 6.38
d. 40.67
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Simplify.
A. 
B. 
C. 
D. 
Find the volume of the solid generated by revolving the region bounded by the given lines and curves about the 
. y = 
, y = 0, x = 0, x = 9
A. 9?
B. 27?
C. 
?
D. 
?
Provide an appropriate response.Kilowatt readings were taken for the months of June at 1,520, July at 1,358, August at 1,298, September at 1,805, and October at 965. Round each amount to the nearest thousand to identify the months with the most similar power usage.
A. June 2, July 1, August 1, September 2, October 1 B. June 2,000, July 1,000, August 1,000, September 2,000, October 1,000 C. June 2,000, July 1,000, August 1,000, September 2,000, October 900 D. June 1,000, July 1,000, August 2,000, September 2,000, October 1,000
Determine the equation of the line described. Put answer in the slope-intercept form, if possible.Through (6, 2), perpendicular to y = 1
A. y = 2 B. x = 6 C. x = 1 D. y = 1