Topic 7 Univariate Data Analysis (U2)

Question 1

What is the median?

Answer 1

The middle number of an ordered data list

Question 2

What is the mode?

Answer 2

The mode is the number that occurs the most.

It has the highest frequency

Question 3

What is the mean?

Answer 3

The calculated average of the scores.

Question 4

What are the 2 types of categorical data?

Answer 4

• Ordinal

- Nominal

Question 5

What ways are used to express categorical data?

Answer 5

• Column or bar graph
• Dot plots
• Pie chart

Question 6

What ways can be used to express numerical data?

Answer 6

• Dot plots

- Stem & leaf plots

Question 7

What is the five number summary?

Answer 7

• Min
• Ql
• Med
• Qu
• Max

Question 8

Cumulative frequency gives a running total of how much…?

Finish the sentence

Answer 8

data has accunlated up to any given data amount.

Question 9

Cumulative frequency for continuous data…?

Finish the sentence

Answer 9

allows you to determine how many are less than a partial amount.

Question 10

Cumulative frequency for discrete data…?

Finish the sentence

Answer 10

allows you to determine how many are less than or equal to a particular amount.

Question 11

How do you calculate the medium?

Answer 11

2