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Unformatted text preview: conclusion. (continued on back!) Female 34 45 23 102 Total 64 82 42 188 3. A survey conducted in a college intro stats class during Fall 2003 asked students about the number of units they were taking that semester. The number of units for a random sample of 16 students is: 10 10 12 14 15 15 15 15 17 17 19 20. 20 20 20 22 And a histogram for this data is given below: 10 14 18 22 Units a. Find the median number of units. (Show work for partial credit) b. Find the IQR of units. (Show work for partial credit) . Is it more appropriate to use the mean and standard deviation or the median and IQR to summarize these data? (Which is better to use if you had to either meanlstandard deviation OR medianlIQR?) Explain....
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