Data Analysis

Measures of Central Tendency

100

What are the three measures of central tendency?

Mean, Median, Mode

200

Find the mean rounded to the nearest tenth: 17, 26, 37, 22, 30, 19, 21

24.6

300

Find the median: 197, 56, 203, 79, 145, 2

112

400

What value of x makes this data set have a mean of 6: 10, 6, 12, 3, x

5

500

Create a data set that has 5 values, has a mean of 12, a median of 13 and a mode of 13 and 14.

6, 13, 13, 14, 14

Measures of Spread

100

Find the range of this data set: 17, 47, 26, 2, 31, 19

45

200

Find the interquartile range of this data set: 87, 81, 92, 77, 97, 84

12

300

Find the interquartile range of the data set: 18, 24, 22, 25, 23

4.5

400

Find the variance of the data set: 121, 117, 100, 106

70.5

500

Find the standard deviation of the data set: 63, 59, 70, 68

4.3

Box-And-Whisker Plots

100

What are the five values need to make a box-and-whisker plot?

Minimum, 1st quartile, median, 3rd quartile, maximum

200

What are the minimum and maximum values of the data set: 78, 12, 109, 36, 121

12 and 121

300

What is the median of the data set: 72, 90, 84, 76, 68

76

400

What are the 1st and 3rd Quartiles of the data set: 19, 22, 15, 20, 12

13.5 and 21

500

Find the minimum, 1st quartile, median, 3rd quartile, and maximum: 27, 22, 25, 27, 23, 28

22, 23, 26, 27, 28

Classifying Data & Sampling

100

Numerical or Categorical: Price of textbooks

Numerical

200

Univariate or Bivariate: number of video games you have

univariate

300

Ordinal, Nominal, Discrete or Continuous: time taken to swim 100m 

Continuous

400

The principal asked every other student leaving the cafeteria what their favorite type of music is. What type of data is this?

Categorical, nominal.

500

What type of data is your report card grade?

Ordinal

Miss Johnson

100

What is Miss Johnson's favourite sport?

Volleyball

200

How many years has Miss Johnson been teaching?

6.

300

Where did Miss Johnson grow up?

Nambour - Sunshine Coast

400

What is the name of Miss Johnson's dog?

Pluto

500

What university did Miss Johnson go to?

USC - University of the Sunshine Coast