QUESTIONS
Question 1
A set of data is summarized by the stem and leaf plot below.
| Stem | Leaf |
| 1 | 0 0 0 1 2 3 3 3 4 5 7 9 9 9 |
| 2 | 0 0 0 1 1 2 4 4 5 5 6 6 7 7 7 7 7 7 9 9 9 9 |
| 3 | 0 3 3 3 5 6 7 7 7 8 8 9 |
| 4 | 0 1 1 4 4 4 5 6 7 7 7 7 8 8 9 9 |
The value 33 appears _ time(s) in the data set. The value 27 appears _ time(s) in the data set. The value 36 appears _ time(s) in the data set.
Question 2
A set of data is summarized by the stem and leaf plot below.
| Stem | Leaf |
| 1 | 0 1 2 3 4 7 7 8 8 9 9 9 |
| 2 | 1 3 3 5 6 7 7 7 |
There are ___ values in the data set which are greater than or equal to 20 and less than or equal to 29. There are ___ values in the data set which are greater than or equal to 10 and less than or equal to 19.
Question 3
In the scenario above, what is the least number of textbooks brought home per student on a Friday?
Question 4
A college student records the number of textbooks that are brought home on a Friday from a random sample of 20 history majors. Below is the data.
| 8 | 7 | 3 | 4 |
| 7 | 1 | 2 | 2 |
| 7 | 3 | 4 | 8 |
| 5 | 5 | 2 | 3 |
| 6 | 7 | 8 | 4 |
Make a dot plot which represents the textbook data.
Question 5
A mathematics professor created a test that was supposed to be mostly easy except for two challenging problems. The scores of the students are shown in the dot plot below. What is the range of the scores? Do not include the percent sign in your answer.
Question 6
Describe the shape of the given dot plot.
Question 7
A set of data is summarized by the stem and leaf plot below.
| Stem | Leaf |
| 1 | 0 0 1 1 1 2 2 2 3 3 4 5 5 7 8 9 9 |
| 2 | 0 0 3 6 7 8 8 9 9 9 |
| 3 | 0 2 2 3 3 3 4 4 4 4 5 7 7 8 9 9 9 |
| 4 | 0 0 1 1 1 1 2 2 4 6 7 7 7 9 9 9 |
| 5 | 1 2 2 3 3 3 4 5 5 6 6 7 7 8 9 |
The value 56 appears __ time(s) in the data set. The value 42 appears __ time(s) in the data set. The value 18 appears __ time(s) in the data set.
Question 8
A set of data is summarized by the stem and leaf plot below.
| Stem | Leaf |
| 1 | 2 3 4 4 5 6 6 6 6 7 7 8 9 9 |
| 2 | 0 0 2 2 4 4 4 7 7 7 |
| 3 | 1 2 3 3 5 5 6 7 8 |
| 4 | 33 3 5 5 7 9 |
There are __ values in the data set which are greater than or equal to 10 and less than or equal to 19. There are __ values in the data set which are greater than or equal to 30 and less than or equal to 39. There are __ values in the data set which are greater than or equal to 40 and less than or equal to 49.
ANSWERS:
Question 1
A set of data is summarized by the stem and leaf plot below.
| Stem | Leaf |
| 1 | 0 0 0 1 2 3 3 3 4 5 7 9 9 9 |
| 2 | 0 0 0 1 1 2 4 4 5 5 6 6 7 7 7 7 7 7 9 9 9 9 |
| 3 | 0 3 3 3 5 6 7 7 7 8 8 9 |
| 4 | 0 1 1 4 4 4 5 6 7 7 7 7 8 8 9 9 |
The value 33 appears _ time(s) in the data set. The value 27 appears _ time(s) in the data set. The value 36 appears _ time(s) in the data set.
Answers:
3
6
1
Question 2
A set of data is summarized by the stem and leaf plot below.
| Stem | Leaf |
| 1 | 0 1 2 3 4 7 7 8 8 9 9 9 |
| 2 | 1 3 3 5 6 7 7 7 |
There are ___ values in the data set which are greater than or equal to 20 and less than or equal to 29. There are ___ values in the data set which are greater than or equal to 10 and less than or equal to 19.
Answers:
8
12
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