Measures of Central Tendency with Graphing Calculator

The table shows the result when three coins were tossed simultaneously 30 times. 
What is the mean? 

• 1

• 1.57

• 2.2

• 3

The table shows the number of people with the corresponding number of friends on Facebook.  What is the median? 

• 49.6

• 50

• 51

• 50.3

Estimate the mean weight

• 63.5

• 65

• 67.2

• 70.1

What is the mode for this table of data?

• 3

• 1

• 13

• 15

For this table of data, what is the modal class?

• 0-<10

• 30-<40

• 20-<30

• 40-<50

Find the median class of this data.

• 0 < x <= 20

• 20 < x <= 35

• 35 < x <= 45

• 45 < x <= 65

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

For this grouped data, what is the mean?

• 20

• 25

• 27

• 30

Harley surveyed his classmates about how many siblings they have and got the following data: 0, 1, 3, 5, 4, 2, 2, 9, 1, 2, 0, 1, 1, 1, 1, 3  Which  measure is best measure of center of the data?

• Mean

• Median

• Mode

• Range