May 21-24

Grade 7 Problem of the Week May 21-24

1. Draw a picture (squares) to find the mean of each set of data.

    1. 1,3,3,3,5,3 b) 3,7,6,9,6,4,7

2. Amanda’s weekly part-time earnings, in dollars, are given.

15 22 43 34 57 40 25 32 38 27 35

a) Find the mean, median and mode.

b) Which measure of central tendency best describes her weekly earnings? Explain why.


3. Rachel’s math test scores, in percent, for the entire school year are shown.

93 82 74 90 91 86 52 89 82 95 95 92

a) Find the mean, median, and mode for the data.

b) Which measure of central tendency best describes her test scores? Explain why.

4. Write 5 numbers whose mode is 12 and mean 15.