Probability and Measures of Central Tendency

What is P(not 6) of picking a card at random?

• 1/4

• 1/3

• 3/4

• 2/3

James wants to find the mean of these numbers: 5, 5, 4, 5, 4, 7. What is it then?

• 4

• 4.5

• 5

• 6

• none of the above

Orbi spins each of the spinners below. What are the chances he will land on A or C and Blue?

• 1/4

• 1/2

• 1/8

• none of the above

What is the probability of picking a consonant from the cards of (A, B, E, K, O, Q, R, S )?

• 3/8

• 5/8

• 1

• none of the above

Match the following vocabulary with the definitions

• Range

• the difference between the largest and smallest values in a data set

• Median

• the most frequently occurring value(s)

• Mode

• the middle value, when the data is ordered from least to greatest

• Mean

• the average of values, sum of all values divided by how many values

What is the MEDIAN of this data

Mathematical Equivalence

ON

Match the following

• 4

• Mean

• Middle value is between 1 and 2, so=1.5

• Maximum

• 0

• Mode

• All values added =12

  12/8=1.5

• Minimum

• 2

• Median

What is the median of the following numbers? 1, 2, 2, 8, 9, 20

• 19

• Mode

• 20

• Outlier

• 2

• Mean

• 5

• Range

• 7

• Median

A number from 1 to 10 is picked at random. What is P(not multiple of 2)?

• 1/2

• 1/4

• 1/5

• 1/10

• none of the above

Mr. Womble students' scores on the test are as follows: 69, 68, 88, 88, 90, 88, 75, 79, 95, 80, and 97. What is the mode?

• 29

• 88

• 91.70

• none of the above