Here are yesterday's high temperatures (in Fahrenheit) in 12 U.S. cities. 48, 50, 54, 56, 63, 63, 64, 68, 74, 74, 79, 80 Notice that the temperatures are ordered from least to greatest. Give the five-number summary and the interquartile range for the data set. Five-number summary Minimum:
Lower quartile:
Median:
Upper quartile:
Maximum:
Interquartile range:
1 answer:
The five number summary and interquartile range for the data-set is given by:
<h3>What are the median and the quartiles of a data-set?</h3>
The median of the data-set separates the bottom half from the upper half, that is, it is the 50th percentile. The first quartile is the median of the first half of the data-set. The third quartile is the median of the second half of the data-set.
In this problem, we have that:
The minimum value is the smallest value, of 48 . The maximum value is the smallest value, of 80 . The data-set has even cardinality , hence the median is the mean of the middle elements, which are 63 and 64, hence the median is of 63.5 . The first quartile is the median of the five elements of the first half, hence it is of 54 . The third quartile is the median of the five elements of the second half, hence it is of 74 . The IQR is the difference between the quartiles, hence 74 - 54 = 20 .
More can be learned about five number summaries at brainly.com/question/17110151
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