Math 1 Unit 6 Review

What true conclusion can you draw from the histogram?

• A.  Participation on Babe Ruth teams increase as you get older.

• A.  There are an equivalent number of 3-4 and 9-10 grade teams.

• A.  There are 21 teams participating in 6^th grade and below.

• The 5-6 grade teams only have 8 players per team.

A former major league baseball player is coaching his son’s Little League team.  He measures the distance each player, including himself, can throw the ball.  The coach’s throw is four times the distance of the longest throw.  What measure of central tendency would be most affected by the coach’s throw? 

• Mean

• Median

• Mode

• Range

The box-and-whisker plot describes the number of text messages a student sends per hour.  What is the interquartile range of the data?

• 1

• 4

• 6

• 7

The box-and-whisker plot describes the number of text messages a student sends per hour. What percent of the students sent between 4 and 10 messages per hour?

• 25%

• 33%

• 50%

• 75%

What type of correlation is shown on the graph.

• Positive Correlation

• Negative Correlation

• No Correlation

What type of correlation is shown on the graph.

• Positive Correlation

• Negative Correlation

• No Correlation

What type of correlation is shown on the graph.

• Positive Correlation

• Negative Correlation

• No Correlation

Which correlation coefficient best matches the graph?

• r = -.9

• r = .02

• r = .7

• r = .99

Which correlation coefficient best matches the graph?

• r = -.99

• r = .02

• r = -.7

• r = .99

For the following situation, determine if there is a correlation and a causal relationship:

"the number of miles you run per day and your finish time in a marathon"

• positive correlation, no causation

• positive correlation with causation

• negative correlation with causation

• no correlation