math
posted by Anonymous .
4. For Questions 47, use the following data:
The number of file conversions performed by a processor per day for 10 days was:
15, 27, 25, 28, 30, 31, 22, 25, 27, 29
What is the arithmetic mean of the data?
(Points: 5)
20.7
25.9
27
29
5. What is the trimmed mean of the data? (Points: 5)
22.875
26.625
31.525
34.375
6. What is the median of the data? (Points: 5)
26
26.5
27
There is no median for this data set.
7. What is the mode of the data? (Points: 5)
25
26
There is no mode for the data set.
The data set is bimodal, with modes of 25 and 27.

What are your answers to 4 and 5?
6. Half the scores are above and half below the median. There is a median.
7. Since the distribution is bimodal, there are modes.