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Answer:
The probability that Kyle will pick a girl who likes football is 12.5%.
Step-by-step explanation:
The data provided is as follows:
Boys Girls Total
Basketball 10 8 18
Football 25 7 32
Soccer 9 19 28
Baseball 18 22 40
Total 62 56 118
Compute the probability that Kyle will pick a girl who likes football as follows:
Thus, the probability that Kyle will pick a girl who likes football is 12.5%.
Answer:
4.
Step-by-step explanation:
Step 1: <u>Formula.</u>
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Step 2: <u>Explain/define.</u>
- The interquartile range is the difference between quartile 3 and quartile 1.
- Quartile 1 is the median of the upper half of a data set.
- Quartile 3 is the median of the lower half of a data set.
- The median is the 'middle value.'
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Step 3: <u>Order/arrange.</u>
In order to find the median, you must first put the numbers in numerical order.
19, 21, 18, 17, 18, 22, 46
↓
17, 18, 18, 19, 21, 22, 46
The lower half of the data set, not including the median of the whole data set, is 17, 18, and 18.
The upper half of the data set is 21, 22, and 46.
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Step 4: <u>Solve.</u>
- 17, 18, 18
- 21, 22, 36
Next, we find the medians of both sets.
The median of the lower half is 18 (Q1).
The median of the upper half is 22 (Q3).
Lastly, we subtract Q3 from Q1.
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Step 5: <u>Conclude.</u>
I, therefore, believe the interquartile range of this data set is 4.