Question

The box plot below shows the total amount of time, in minutes, the students of a class surf the Internet every day:

A box plot is shown. The left-most point on the plot is 20 and the right-most point is 95. The box is labeled 40 on the left edge and 60 on the right edge. A vertical line is drawn inside the rectangle at the point 50.

Part A: Describe the shape of the box plot. (4 points)

Part B: What percent of the data is above 60 minutes? (2 points)

Part C: Calculate the interquartile range of the data, and explain in a sentence or two what it represents. (4 points)

Answer 1

Explanation:

Part a

it shows that the least amount of time spent on internet surfing is 37.5 mins and the most amount of time spent on internet surfing is 60 mins but it does not show how many students were asked about how much time they spent on the internet

part b

the interquartile range is the range on the box on top of a range. the interquartile range is 37.5-60 mins

part c

if there is an outlier present such as a student who spent 95 mins surfing the internet that could affect the average, mean, mean absolute deviation, and the median by either raising or lowering it.

Answer 2

Part A: it shows that the least amount is 37.5 minutes

Explanation: