Grade 8 Review (SOL 8.11-8.13)

The following scatter plot shows Pam's training as she prepares to run a 6 mile race at the end of the month.  Which of the following would be a reasonable approximation for the length of time it would take for her to run 6 miles? 

• A. 50 min
• B. 80 min
• C. 45 min
• D. 60 min

What type of association does this graph have?

• positive 
• negative
• none
• all of the above

The box-and-whisker plot displays the number of inches of snowfall last year for 14 cities. Each city had a different amount of snowfall.

What is the median amount of snow that fell?

• 80 inches

• 64 inches

• 56 inches

• 76 inches

Consider the boxplot below. What is the interquartile range (IQR)?

• 4
• 3.5
• 6
• 9

What percent of students have a height between 58 inches and 60 inches?

• 25%

• 50%

• 75%

• 100%

Which club has the smaller spread?

• Cruisers
• Car Hops

Probability of:
Spinning a 3
Drawing an A

• 2/8
• 1/4
• 1/16
• 1/8

There are seven nickels and six dimes in your pocket. You randomly pick a coin out of your pocket and place it on a counter.Then you randomly pick another coin. The first coin is a nickel and the second coin is a dime.

• 7/26
• 3/19
• 10/21
• 18/35

A bag contains some red-colored and some blue-colored marbles. First a red-colored marble is drawn and then, without replacing the first marble, a blue-colored marble is drawn. Are the two events dependent or independent?

• Independent
• Dependent

Which event is not a dependent event?

• Picking 2 students to each be line leader and door holder from a group of 20 students
• Picking 2 marbles from a bag without replacing the first marble
• Picking 2 crayons from a box at the same time (simultaneously) 
• Picking an earring, replacing it, then picking a 2nd earring

Tags

CCSS.7.SP.C.5

CCSS.7.SP.C.7