Means, medians and modes.
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Find the median of each set of numbers.
#14. 1, 4, 9, 15, 25, 36
Find the mode of each set of numbers.
#18. 41, 43, 56, 67, 69, 72
#20. 9, 8, 10, 9, 9, 10, 8
Solve the following applications.
24. Statistics. A salesperson drove 238, 159, 87, 163, and 198 miles (mi) on a 5-day trip. What was the mean number of miles driven per day?
#36 Business and finance.
The following scores were recorded on a 200-point final examination:
193, 185, 163, 186, 192, 135, 158, 174, 188, 172, 168, 183, 195, 165, 183.
(a) Find the mean final examination score.
(b) Find the median final examination score.
(c) Is the mean or median a more useful representative of the final examination scores? Write a brief paragraph justifying your response.
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Solution Summary
The solution discusses mean, medians and modes.
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#14.
Median of 1, 4, 9, 15, 25, 36 = 12
#18.
Mode of 41, 43, 56, 67, 69, 72 = N/A, all are equal occurrences
Mode of 9, 8, 10, 9, 9, 10, 8 = 9
#24.
169 miles
#36.
(a) Mean = 176
(b) Median = 183
(c) Mean and median are measures of central tendency in a data set. Mean and median both examine where, in a data set, numbers are likely to occur with the most frequency. However, depending upon the type of data set, one can be a better way than another of evaluating data and coming up with statistical results.
Getting the mean of something is the ...
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