St. Francis Preparatory School



Name _________________________________________ Date _____ Class _____

Homework: Stem-and-Leaf Displays Mr. Lynch

Complete each of the following:

1) The following scores were recorded on the Biology midterm exam:

74 62 89 72 98 77 80 98 56 71 93 98 76 82 74 100 67 58 64 65 78 97 84 83

a) Construct a stem-and leaf plot to display the data.

2) The following scores were recorded on the Chemistry final exam:

47 59 62 77 80 93 42 57 69 78 85 98 43 56 69 77 86 90 48 53 67 75 83 98 49 53 65 79 83 98 45 58 67 72 88 97

a) Construct a stem-and leaf plot using multiple lines per stem to display the data.

3) Two students recorded their test scores in Prob. & Stat. over the entire year. The results were as follows:

Joe 46 52 78 65 84 73 65 68 74 76 64 87 82 46 87 56 74 88 97 83 74 84 78

Gloria 78 93 94 79 87 59 84 75 89 62 75 92 75 98 57 59 86 43 97 96 78 100 90

a) Construct a back-to-back stem-and leaf plot to display the data.

................
................

In order to avoid copyright disputes, this page is only a partial summary.

Google Online Preview   Download