The median ( Q2 ) divides the data set into two parts, the upper set and the lower set. The lower quartile ( Q1 ) is the median of the lower half, and the upper quartile ( Q3 ) is the median of the upper half. Example: Find Q1 , Q2 , and Q3 for the following data set, and draw a box-and-whisker plot.
Answer:
i think it a and c
Step-by-step explanation:
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15 + 1 because you are using apsolute value so that negative 1 becomes a positive
28 because 1/4th of 28 is equal to 7
