Interactive practice questions
The weight (in kilograms) of a group of men and women were recorded and presented in a stem-and-leaf plot as shown.
| Women | Stem | Men | |||||||||
| $7$7 | $6$6 | $3$3 | $5$5 | ||||||||
| $8$8 | $6$6 | $3$3 | $1$1 | $1$1 | $6$6 | $2$2 | $3$3 | $3$3 | $8$8 | $9$9 | |
| $3$3 | $1$1 | $7$7 | $1$1 | $2$2 | $4$4 | $8$8 | |||||
| $8$8 | $3$3 | ||||||||||
|
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a
What is the mean weight of the group of men? Express your answer in decimal form.
b
What is the mean weight of the group of women? Express your answer in decimal form.
c
Which group is heavier?
Women
A
Men
B
Easy
2min
The back-to-back stem-and-leaf plot shows the time (in minutes) taken by two students, Danielle and Quiana, to solve a set of challenging math problems.
Medium
1min
The number of goals scored by Team 1 and Team 2 in a football tournament are recorded.
Easy
2min
The table shows the scores of Student A and Student B in 5 separate tests.
Easy
3min
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