An automobile company hired an advertising agency to survey its customers to find out which brand of tire they preferred for the
ir cars. The results of the survey are displayed in the table.
Which measure(s) of central tendency represents the most popular brand of tire?
A. the mean
B. the median
C. the mode
D. either the mean or the median
Which measure(s) of central tendency represents the most popular brand of tire?
A. the mean
B. the median
C. the mode
D. either the mean or the median
2 answers:
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Answer:
or
Step-by-step explanation:
The given equation is
Let us treat this as a quadratic equation in .
where
The solution is given by the quadratic formula;
We substitute these values into the formula to obtain;
or
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or
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