AnswersConcepts in Probability and Statistics ARange and Interquartile Range

Range and Interquartile Range Answers

23 verified answers1 views
1
Free Preview

Question text not available

Answer:

PENDING

2
Free Preview

Lower quartile =

A
3.5
B
4
C
5
D
6
E
7.5
3

Upper quartile =

A
4
B
5
C
7.5
D
8.5
E
9
4

Interquartile range =

A
3.5
B
4
C
5
D
6
E
7.5
5

Interquartile range = ✔ 13264648

A
✔ 13
B
26
C
46
D
48
6

Check all that you included in your explanation.

A
Bobby’s interquartile range is 113.
B
Amelia’s interquartile range is 179.
C
A lower interquartile range is clustered closer to the median than a higher interquartile range.
7

Which of the following are measures of spread? Select all that apply.

A
Range
B
Outliers
C
Interquartile range
D
Mean
E
Median
F
Quartiles
8

Which statements are true about the interquartile range? Select all that apply.

A
Subtract the lowest and highest values to find the interquartile range.
B
Interquartile ranges are not significantly impacted by outliers.
C
Lower and upper quartiles are needed to find the interquartile range.
D
A small interquartile range means the data is spread far away from the median.
E
The data values should be listed in order before trying to find the interquartile range.
9

What do you know about this data before finding the range or the interquartile range? 187, 191, 202, 209, 218, 1984

A
The values are not in order.
B
The outlier will have no affect on the range.
C
The data has an outlier, therefore the interquartile range is much greater than it would be without the outlier.
D
The data has an outlier, therefore the range will be much greater than it would be without the outlier.
10

Which is true about the two sets?

A
Set 1 has a range of 40 and a median of 85.
B
Set 2 has a range of 74 and a median of 62.
C
Both sets have an interquartile range of 27.
D
Set 2 has data that is closer to its median than Set 1.
11

Median =

A
3.5
B
4
C
5
D
6
E
7
12

Range = X 1837✔ 4648

Answers:
Selection 1:46
Selection 2:72
Selection 3:38.5
Selection 4:32 and 45
Selection 5:13
13

Range =

A
18
B
20
C
37
D
48
14

Question text not available

Answer:

PENDING

15

The range for new cars was 31. The range for used cars was 75. Subtract the highest and lowest numbers.

A
The range for new cars was 31.
B
The range for used cars was 75.
C
Subtract the highest and lowest numbers.
16

Question text not available

Answers:
Selection 1:38
Selection 2:29 and 42.5
Selection 3:13.5
Selection 4:Range
17

Outlier = 423838.5✔ 72

A
42
B
38
C
38.5
D
✔ 72
18

Median =

A
38
B
38.5
C
42
D
72
19

Median = X 38✔ 38.54252

A
X 38
B
✔ 38.5
C
42
D
52
20

Lower quartile and upper quartile =

A
26 and 32
B
28 and 42.5
C
29 and 42.5
D
38.5 and 43

Did you find these answers helpful?

More from this Course

Assignment
33 verified answers

Range and Interquartile Range

Instruction
17 verified answers

Instruction

Instruction
1 verified answers

Instruction