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We have 30 data points.
Min is 25
Max is 38
Q1 is 25th percentile is 7.5th or 8th point: 28
Q2 is 50th percentile is midpoint of 15th and 16th point:
(30.5+31)/2 = 30.75
Q3 is 75th percentile is 22.5th datapoint or 23rd data point =
34
Answer: C is correct option
Min = 25, Q1 = 28, Q2 = 30.75, Q3 = 34, Q4 = 38
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22
26
Median
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Max
33
36
Mean
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31.7
SD
3.4
3
IQ range
6
3
Range
11
10
a
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Men’s salaries
(thousands of pounds)
Min
22
26
Median
26.5
30.5
Max
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Mean
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31.7
SD
3.4
3
IQ range
6
3
Range
11
10
a
(ii) Is this an example of continuous or discrete data? (iii) Use the two measures of location to say which gender has the er salary on average (iv) Use all three measures of spread to say which gender has the greater variability in their salary (b) (i)...
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