Answer:
I'm not confident on this but:
L = 2(W + 1)
Hopefully this might help somewhat :]
L: Length
W: Width
Answers are:
Choice D) more than 102
Choice E) between 90 and 102 messages
Choice F) less than 78
So there are three answers here
The reason for choice D is that 25% of the values are above Q3 (third quartile) which is 102 in this case. Take 25% of 100 to get 25. So there are 25 people who send more than 102 messages
The reason for choice E is that 25% of the data is between the median and Q3.
The reason for choice F is similar to choice D. Twenty five percent of the data values are smaller than Q1 (first quartile) which is 78.
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