Statistics Test

The average of the values (x=sum / total #)

• Mean
• Median
• Mode
• Probability

The most occurring value(s).

• Mean
• Median
• Mode
• Probability

The middle value. (must be small --> large order)

• Mean
• Median
• Mode
• Probability

(89, 90, 88, 91, 82, 90, 88, 88, 86, 90, 92, 87, 89, 86)

Mean:

• 88.3
• 80

• 88

• 87.5

(89, 90, 88, 91, 82, 90, 88, 88, 86, 90, 92, 87, 89, 86)

Median:

• 88.5
• 88

• 87.5

• 87

(89, 90, 88, 91, 82, 90, 88, 88, 86, 90, 92, 87, 89, 86)

Mode(s):

• 88

• 90

• 87

• 85

(89, 90, 88, 91, 82, 90, 88, 88, 86, 90, 92, 87, 89, 86)

Range:

(a)  

The spinner below is spun twice. Find the probability of getting Z both times.

• 1/5
• 1/10
• 1/15
• 1/25

Using the table below, find the probability of the spinner landing on red: P(red).

• 8/50
• 18/50
• 24/50
• 50/50

When two sets of data are strongly linked together, we say they have a --

• High Causation
• Low Causation
• High Correlation
• Low Correlation