Interactive practice questions
Answer the following:
a
Which of the following most closely represents a symmetric distribution?
| Stem | Leaf | |
| $1$1 | $7$7 $9$9 $9$9 $9$9 | |
| $2$2 | $1$1 $3$3 $6$6 $6$6 $9$9 | |
| $3$3 | $1$1 $2$2 $4$4 $6$6 $9$9 | |
| $4$4 | $2$2 $3$3 $5$5 $6$6 | |
| $5$5 | $1$1 $8$8 | |
|
||
A
B
C
b
Which of the following represents a positively skewed distribution?
A
B
| Stem | Leaf | |
| $1$1 | $7$7 $9$9 $9$9 $9$9 | |
| $2$2 | $1$1 $3$3 $6$6 $6$6 $9$9 | |
| $3$3 | $1$1 $2$2 $4$4 $6$6 $9$9 | |
| $4$4 | $2$2 $3$3 $5$5 $6$6 | |
| $5$5 | $1$1 $8$8 | |
|
||
C
c
Which of the following represents a negatively skewed distribution?
A
B
| Stem | Leaf | |
| $1$1 | $7$7 $9$9 $9$9 $9$9 | |
| $2$2 | $1$1 $3$3 $6$6 $6$6 $9$9 | |
| $3$3 | $1$1 $2$2 $4$4 $6$6 $9$9 | |
| $4$4 | $2$2 $3$3 $5$5 $6$6 | |
| $5$5 | $1$1 $8$8 | |
|
||
C
Easy
< 1min
For the Stem and Leaf plot attached:
Easy
1min
The number of hours worked per week by a group of people is represented in the following Stem and Leaf Plot:
Easy
< 1min
For the Dot Plot shown:
Easy
< 1min
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