Oct. 10-13

Grade 7 Problem of the Week Oct. 10-13

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

a) 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) What is the range?

3. Kelly’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 (mode, median, or mean)  best describes her test scores? Explain why.

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