Associations in Data

The scatter plot shows the relationship between the number of chapters and the total number of pages for several books. Use the trend line to predict how many pages would be in a book with 6 chapters. 

• 100 pages

• 170 pages

• 60 pages

• 20 pages

The scatter plot shows the relationship between the number of chapters and the total number of pages for several books.  Use the trend line to predict how many chapters would be in a book with 140 pages. 

• 12 chapters

• 19 chapters

• 14 chapters

• 21 chapters

What percentage of males drive sports cars?

• 35%

• 16.25%

• 65%

• 25%

According to the two-way table, a person who plays an instrument is most likely to:

• Not play an instrument

• Not play a team sport

• Play a team sport

• All of the above

According to the table, what is the relative frequency of students ages 10 - 13 who eat breakfast?

• About 33%

• About 50%

• About 40%

• About 44%

How many chemical engineers chose Science as their favorite subject?

• 80

• 91

• 171

• 262

Of the mechanical engineers, what is the probability that math is their favorite subject?

• 91

• 52%

• 17%

• 35%

How many females were surveyed?

• 10

• 16

• 26

• 14

A survey explored the relationship between gender and band class. Which is a reasonable conclusion?

• There are more band members than non-band members

• There are more boys in the class than girls

• There are more boys in band than not in band

• More than half of the bands members in the class are girls

What percentage of the days that it rained, did they forecast no rain?

• About 20%

• About 18%

• About 14%

• About 12%