Question

Dean collected data on the favorite sports of the students of two grades. The table shows the relative frequencies of rows for the data collected:

Favorite Sport
Swimming Running Volleyball Row totals
Grade 8 0.17 0.24 0.05 0.46
Grade 9 0.14 0.18 0.22 0.54
Column totals 0.31 0.42 0.27 1

Based on the data, which statement is most likely correct?
In Grade 8, 17 students liked swimming.
In Grade 9, 27% of students liked volleyball.
In Grade 9, 14 students liked running.
In Grade 9, 18% of students liked running.

Answer 1

@mhchen

Answer 2

From the table, if you look at Running for Grade 9, it's 0.18

So 18% of the students liked running in Grade 9

Answer 3

THX