C2- 1: Data Analysis

Question 1

Pie chart

Answer 1

A circular chart that is split into sectors to show percentages or the relative value of different categories of data.

Question 2

Bar chart

Answer 2

Data is grouped into categories using rectangular bars with the height of the bar representing the frequency for the category.

Question 3

Line graph

Answer 3

A graph used to compare variables which are plotted and then joined to become a continuous line.

Question 4

Histogram

Answer 4

A graph showing quantitative data that is grouped into frequency rather than categories as in a bar chart.

Question 5

Index number

Answer 5

Using a base year to compare all other years against. Calculated by Value in period / Value in base period *100.