Illinois State University Mathematics Department


MAT 312: Probability and Statistics for Middle School Teachers

Dr. Roger Day (day@ilstu.edu)



Representations and Summaries of Raisins Data


Is it unusual for a box of raisins to contain 86 raisins?

In an effort to address this question, 30 snack-size boxes of raisins were opened and the raisins counted in each box. Here is the raisin-count data from the 30 boxes.

54
59
55
109
97
59
102
68
104
63
101
59
59
96
58
57
63
57
94
61
104
62
58
59
102
60
54
58
53
78
Here is a line plot created from the data set.
Here is a stem-and-leaf plot of the data set.
Here is a tally sheet created from the data set.
The next two figures show the stem plot and the tally sheet rotated 90 degrees.
Here is a histogram of the data set, created using a TI-83 calculator.
Here is a box-and-whiskers plot of the data set, also created using a TI-83 calculator.
Here are numerical representations and summaries as shown on a TI-83 calculator.