For the given data set 
Minimum = 48
Lower quartile = 55
Median = 63.5
Upper quartile = 74
Maximum = 80
Interquartile range = 19 
<h3>Measures of a Data </h3>
From the question, we are to determine the minimum, lower quartile, median, upper quartile, maximum, and interquartile range of the given data set 
The given data set is 
48, 50, 54, 56, 63, 63, 64, 68, 74, 74, 79, 80
Minimum = 48 
Lower quartile = (54+56)/2
Lower quartile = 110/2
Lower quartile = 55
Median = (63+64)/2
Median = 127/2
Median = 63.5 
Upper quartile = (74+74)/2
Upper quartile = 148/2
Upper quartile = 74
Maximum = 80
Interquartile range = Upper quartile - Lower quartile 
Interquartile range = 74 - 55
Interquartile range = 19
Hence, for the given data set 
Minimum = 48
Lower quartile = 55
Median = 63.5
Upper quartile = 74
Maximum = 80
Interquartile range = 19 
Learn more on Measures of a Data here: brainly.com/question/15097997
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