Show:
Mean
Median
Mode
Best Measure of Center
Categorical or Quantitative Data
100
What is the mean of a data set and how is it calculated?
The average, or all the numbers added up then divided by the amount of numbers.
100
What is the median and how is it calculated?
The middle number. Put the data in order from least to greatest and find middle. If 2 middle numbers, add them and divide by 2.
100
What is the mode as a measure of center?
The most often number in a set of numbers OR when asking a question.
100
If you are asked your favorite fast food restaurant, which measure of center should be used?
mode
100

Your favorite class is an example of 

a) Quantitative Data

b) Categorical Data

b) Categorical Data

200
If a data point is 5, which data point would make 6 the mean?
7 because 5 + 7 = 12 and 12 divided by 2 = 6
200
What is the Median? 4,9,13,14,19,27,29
14
200
What is the Mode? 15,20,5,23,14,13,20
20
200
What measure of center should be used with this data set? 3, 5, 2, 4, 87, 3
median because of the outlier
200

The speed that you are riding your bike is an example of 

a) Quantitative Data

b) Categorical Data

a) Quantitative Data

300
What kind of data do you use mean as the best measure of center?
Data that is close together.
300
What kinds of data do you use the median as the best measure of center?
Data with an outlier!
300
What kind of data is mode the best measure of center for?
Data where you are asked a question.
300
What measure of center should be used on this data set? 54, 55, 56, 57, 54, 53
mean because the data is close together
300

Which of the following is categorical data: 

a) The model number of the car you drive

b) The number of miles you have driven


a) The model number of the car you drive.

400
What is the Mean? 18,8,26,5,32
17.8
400
What is the Median? 2,6,15,17,18,25,29
17
400
What is the Mode? 15,13,14,27,32,12,15,15,27,15
15
400
What measure of center should be used on this data set? Running times at a track meet for the 100 dash - some runners are MUCH faster than most of the others
median because those runners are outliers
400

Is the following categorical or quantitative data: 

a) Your street number.

b) The number of your birthday month.

Categorical data

500
What is the Mean? 10,14,15,17,18,24
16.333
500
What is the Median? 13,15,16,18,27,29
17
500
What is the Mode? 14,16,13,12,15,24,27,46,37,29,36,15,12,27,12,27,32,12
12
500
What measure of center would be used if a class was asked their favorite color of crayon?
mode
500

Rolling a die is an example of 

a) Quantitative Data

b) Categorical Data

b) Categorical Data