State which type of average, the mean, median, or mode, would be most appropriate in the situation described. Explain your thinking.Before a mayoral election, a pollster tries to predict which candidate will win the most votes. Which average does the pollster need to know?
What will be an ideal response?
The mode. The pollster needs to know which candidate will receive the most votes - the most common "value" in the distribution, which is the mode.
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Find the intervals on which the function is continuous.y = 
- 
A. discontinuous only when x = -7 or x = -1 B. discontinuous only when x = -1 C. discontinuous only when x = -8 D. continuous everywhere
Solve the problem.Find the center of mass of the hemisphere of constant density bounded 
and the 
A. 
= 0, 
= 0, 
= 
B. 
= 0, 
= 0, 
= 
C. 
= 0, 
= 0, 
= 
D. 
= 0, 
= 0, 
= 
Factor.z2 - 144
A. (z + 12)2 B. (z - 12)2 C. z2 - 144 D. (z + 12)(z - 12)
Solve the problem.Mary lives on a corner lot. The neighborhood children have been cutting diagonally across her lawn instead of walking around the yard. If the diagonal distance across the lawn is 
and the longer part of the sidewalk is twice the shorter length, how many feet are the children saving by cutting across the lawn? Round to the nearest foot if necessary.
A. 17 ft B. 13 ft C. 10 ft D. 40 ft