Creating stem and leaf diagrams - Grade 8 practice

1.

Multiple Choice

30 sec

1 pt

List, from least to greatest, the stems of a stem-and-leaf plot representing the following data set:

2, 29, 65, 31, and 93.

Hint; in this question, imagine you are drawing a stem and leaf diagram form the data, what would the numbers in the stem be in ascending order.

1, 2, 3, 5, 9

0, 2, 3, 6, 9

0, 1, 2, 3, 9

0, 2, 3, 6, 8

1, 2, 3, 6, 9

2.

Fill in the Blank

1 min

1 pt

Write the number only.

3.

Multiple Choice

30 sec

1 pt

Which options show the stem and leaf diagram for the data shown?

4.

Multiple Choice

30 sec

1 pt

Which of the following stem and leaf diagrams represent the data below;

14,42,21,33,36,27,29.

5.

Multiple Choice

30 sec

1 pt

Which stem and leaf diagram represents the data below;

67, 81, 74, 10, and 36.

6.

Multiple Choice

30 sec

1 pt

7.

Multiple Choice

30 sec

1 pt

Consider the stem and leaf diagram shown, what are the maximum and minimum values?

Maximum value - 93, Minimum value - 32

Maximum value - 39, Minimum value - 23

Maximum value - 77, Minimum value - 35

Maximum value - 43, Minimum value - 32

8.

Multiple Choice

30 sec

1 pt

9.

Multiple Choice

30 sec

1 pt

Which of the following stem-and-leaf plots represents the given data:

345, 261, 615, 167, 450, 660, 453, 269, 343, 414?

10.

Multiple Choice

30 sec

1 pt

Identify the stem and leaf diagram that corresponds to the data below;

26, 37, 48, 33, 49, 26, 19, 26, 48

11.

Multiple Choice

30 sec

1 pt

What us the possible key for the stem and leaf diagram shown for the data on the side.

84

840

8.4

0.84

12.

Multiple Choice

5 mins

1 pt

A florist records the amount of money he spent on gasoline each week to deliver orders. The list shows the data for 16 weeks.
32, 38, 40, 44, 44, 46, 49, 53, 55, 58, 62, 65, 68, 70, 72, 81
He put the data in a stem-and-leaf plot. What number did he leave out of the stem-and-leaf plot?

32

44

65

81

13.

Multiple Choice

1 min

1 pt

In how many games did the team score more than 20 points?

8

7

10

9

14.

Multiple Choice

2 mins

1 pt

How many games did the team play?

15

12

24

14

15.

Multiple Choice

30 sec

1 pt

This stem and leaf diagram shows the ages of a group of people. How old is the youngest member of this group?

14

10

15

1

16.

Multiple Choice

30 sec

1 pt

What mistake has been made when making this stem and leaf diagram? In the next question, you will be asked to explain this choice.

The stem should only have one number in it.

The key is incorrect.

There is a number missing.

There are no mistakes - the stem and leaf diagram is correct.

17.

Multiple Choice

30 sec

1 pt

While doing a project for P. E. class, Ling researched the number of athletes competing in an international sporting event.

How many countries have exactly 32 athletes?

4

3

6

1

18.

Multiple Choice

30 sec

1 pt

Jenny records the heights of her family members. The heights, in inches, are 50, 53, 45, 52, 68, 56 47, 69, and 60. The stem-and-leaf plot shows some of the data.

What are the leaves for stem 5?

2, 3, 7

0, 2, 3, 5

0, 2, 3, 6

2, 3, 5

19.

Multiple Choice

1 min

1 pt

In how many games did the team score more than 20 points?

8

7

10

9

20.

Multiple Choice

30 sec

1 pt

Mary scored exactly a 73 on how many tests?

1

2

4

3

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