Homework Problems for Statistics Review
1. Find the mean, median and mode for each set of data.
a. 255, 248, 388, 210, 356
b. 4.8,5.5,2.1,4.7,1.6
c. 61,88,111,93,45,23
d. 3,8,77,34,57,44
e. 459,239,429,188,352
2. Explain why you think the mean,median, and mode are rarely
the same value.
3. Find some data in a newspaper or magazine that interests
you. Find the mean, median and mode and discuss which of
these measures you think best describes the data.
4. List five numbers that satisfy each set of conditions.
a. The mean is 50, the median is 40 and the mode is 20.
b. The mean is 70, the median is also 70, and the modes
are 65 and 70.
5. John’s scores on the 25-point Algebra I quizzes are
20,22,19,24,18, 25, and 18. Find the mean, median and mode
of his scores.
6. Of the 50 employees at Best Buy in Athens, 15 make $5.15
an hour, 20 make $5.50 an hour, 10 make $ 6.00 an hour and
5 make $6.25 an hours. Find the median, mean and mode of
the hourly wages.
7. Find the Standard Deviation for the following group of
numbers and also the mean: 25,50,75,95,55.
8. Find the Range of the following data: 100,29,28,19,10.
9. Find the Mean, Median, Mode, Standard Deviation and range
of the following data for test scores:
75,77,85,95,93,67,73,81,89,87.