Means of Central Tendency

Find the mean of:
1, 2, 3, 4 

• 2.5

• 2 & 3

• No mode

• 3

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

The mode score on the 6th grade math test was 94! Which of these interpretations must be correct?

• 99 was the highest score on the test.

• More students received a 94 than any other score

• No student scored below a 50

• A score of 91 was slightly below average.

The mean is

• The middle score

•  Total & divided by number of scores

• The most frequent score

• The middle when in order

Match the following vocabulary with the definitions

• Mean

• a value that describes the center or middle of a data set

• Median

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

• Range

• the most frequently occurring value(s)

• Measures of Central Tendency

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

• Mode

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

Match the following

• mode

• the middle number or the halfway point between two middle numbers in an ordered set of values

• mean

• the most frequently occurring value in a data set

• median

• the sum of a set of values divided by the number of values. (the average)

__________ is used to refer to the average.

• measures of center

• mean absolute deviation

• quartiles

• mean

What is the MEDIAN of this data

Mathematical Equivalence

ON

Match the following definitions to their words.

• Mean

• Middle of a set of data (Med in calculator)

• Standard Deviation

• Median

• Repeated number in a set of data (not in calculator)

• Mode

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

• 5

• Mode

• 19

• Outlier

• 2

• Median

• 20

• Range

• 7

• Mean