Iar Math Statistics

Which type of association is shown in the scatterplot below?

• positive association

• negative association

• constant association

• no association

Which type of association does the graph below show?

• none

• positive

• negative

• irregular

What kind of correlation (association) does the graph have?

• Positive correlation

• Negative correlation

• No correlation

• Cannot be determined

Which relationship would most likely show a positive association?

• The distance a car traveled and the number of gallons of gas remaining in the car.

• The speed a train travels and the time it takes for it to reach its destination.

• The amount of data storage in a computer and the number of keys on a keyboard.

• The number of tickets sold for a football game and the number of refreshments sold at the game.

The scatterplot below shows the average height of bamboo plants in a garden based on the age of the bamboo plants.

Using a linear model, what is the approximate height of a 10-month-old bamboo plant?

• 10 ft

• 11 ft

• 13 ft

• 16 ft

What percentage of SUV's are driven by women?

• 56.25%
• 75%
• 83.25%
• 86.5%

What percent of people who play an instrument do not play a team sport?

• 80%
• 27.2%
• 40%
• 90.1%

How many total people were surveyed about what ice cream flavor they would pick?

• 107
• 92
• 70
• 269

At Donald's Donuts the number of donut holes in a bag can vary. Help Donald find the mode.
12,10,10,10,13,12,11,13,10

• 13
• 12
• 11
• 10

Identify the outlier (what number doesn't belong) for the given data?

23, 34, 27, 7, 30, 26, 28, 31, 34

• 7

• 23

• 31

• 34