B2.3.4 - Continuous and Discontinuous

Question 1

What is meant by discontinuous variation?

Answer 1

When a charateristic only has a few possible outcomes (e.g. blue, green, brown - eye colour)

Question 2

How do we present continuous variation?

Answer 2

As a histogram

Question 3

What is meant by continuous variation?

Answer 3

When a characteristic can have a whole range of values (e.g. height)

Question 4

Give 3 examples of discontinuous variation.

Answer 4

gender

Blood group

Eye colour

Question 5

What do we call this type of graph?

Answer 5

Histogram

Question 6

How do we present discontinuous variation?

Answer 6

As a bar chart

Question 7

Give 3 examples of continuous variation.

Question 8

When a characteristic can have a whole range of values (e.g. height) we say that it shows…

Answer 8

continuous variation

Question 9

When a charateristic only has a few possible outcomes (e.g. blue, green, brown - eye colour), we say that the characteristic shows…

Answer 9

discontinuous variation

Question 10

Characteristics that only occur due to inherited variation show which type of variation? Continuous or discontinuous?

Answer 10

Discontinuous (only a few possible outcomes)

Question 11

Characteristics that only occur due to inherited AND environmental variation show which type of variation? Continuous or discontinuous?

Answer 11

Continuous (many possible outcomes - e.g. height)

Question 12

What do we call the curved line that we usually dray to show the trend of a histogram?

Answer 12

A normal distribution curve