Find the value of the interquartile range (IQR). IQR = Answer the following ques

Question

Find the value of the interquartile range (IQR). IQR = Answer the following question based on the boxplot above, and assume the number of observations In the data set is 200. 50% of the observations were greater than 25% of the observations were less than 75% of the observations were less than How many of the 200 observations were less than 15? How many of the 200 observations were greater than 15? How many of the 200 observations were less than 30? How many of the 200 observations were greater than 30?

Explanation / Answer

Box Plot Solutions

1. 50% of observations were greater than 20

2. 25% of observations were less than 15

3. 75% of observations were less than 30

4. 25%*200 = 50 observations of 200 were less than 15

5. 75%*200 = 150 observations of 200 were greater than 15

6. 75%*200 = 150 observations of 200 were less than 30

7. 25%*200 = 50 observations of 200 were greater than 30

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