Name: _____________________________________
Math: ___________
Data: Day 10 – Stem and Leaf Plot Practice
1. Create a stem and lead plot for the test score data below.
75, 67, 96, 94, 81, 76, 78, 82, 91, 87, 95, 55, 68, 69, 85,
95, 78, 86, 88, 96, 95, 72, 87, 95, 96, 84, 85, 74, 94, 78
2. What is the range for this data?
3. What is the median for this data?
4. How many students scored between 76 and 86 points?
5. Examine the stem and leaf plot below and answer the following questions:
a. What is the range for this data?
b. What is the median for this data?
c. Write a possible scenario that this data could be used to
describe.
6. Create a double stem and leaf plot for the following data set:
Hours spent talking on phone in a month
Girls: 2, 15, 16, 23, 12, 11, 5, 6, 18, 14, 23, 26, 24, 6, 19, 32, 14, 5, 8, 10, 12, 21, 23, 24, 25, 31
Boys: 5, 8, 10, 15, 11, 3, 15, 18, 4, 20, 7, 11, 9, 12, 13, 20, 9, 10, 4, 16, 4, 21, 8, 23, 16, 7
7. What is the median of the data for the boys?
8. What is the median of the data for the girls?
9. How many students altogether talked for more than 18 hours?
10. How many students altogether talked for less than 10 hours?
11. Write three observations you have about the data above.