Georgina likes to read during her summer break. The table below shows the number of pages in each book she read last summer and
the number of pages in each book she read this summer. Number of Pages Georgina Reads during the Summer
Last Summer
140
220
190
180
190
This Summer
150
170
150
190
180
What inference can someone draw about the data?
The books she read this summer had more pages, on average, than last summer.
The number of pages in each book varied more last summer than this summer.
Last summer, the average book had nearly twice the number of pages than the average book has this summer.
This summer, the number of pages in a book varied nearly twice as much as the number of pages in last summer's books
Mark this and return
be the statement that
:
is true, and use that assumption to show that 
must also be true. When 
, you have
.