Measures of Central Tendency

If the mean of a data set is 10, what is the missing piece of data? 
5, 4, 7, 15, 12, ___

• 7

• 17

• 20

• 16

What is the mode of the data set:
Black  Blue  Red
Pink  Black  Black
Gray  Green  Blue
Blue  Blue  Red
Yellow  Blue  Red

• Blue and Black

• Blue

• Red

• Black

For a data containing 15 items arranged in ascending order, what item is the median of the data

• 7th item

• 8th item

• 6th and 7th item 

• 7th and 8th item

Estimate the mean weight

• 63.5

• 65

• 67.2

• 70.1

What is the class interval where the median lies?

• 0 < w < 3

• 3 < w < 6

• 6 < w < 9

• 9 < w < 12

In a grouped data, in what class can the median be found?

• Mean class

• Median class

• Modal class

What is the minimum value?

• 64

• 58

• 66

• 60

What is the mode for this table of data?

• 3

• 1

• 13

• 15

Find the median class of this data.

• 0 < x <= 20

• 20 < x <= 35

• 35 < x <= 45

• 45 < x <= 65

Find the mean.

• 10

• 20

• 30

• 40