10.6 Representing Variation Graphically Flashcards

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1
Q

Discontinuous variation

A

A characteristic that can only result in a certain number of outcomes eg an animal’s sex

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2
Q

Continuous variation

A

Characteristic that can take any value within a range eg. Height of a plant

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3
Q

Normal distribution curve

A

When continuous variation data is plotted onto a graph it usually produces a bell shaped curve called a normal distribution curve.

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4
Q

Standard deviation

A

Measure of how spread out data is on a graph. The larger the standard deviation the larger the spread.

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5
Q

Student’s T test

A

Used to compare means of data values of two populations. Shows a significant difference or not

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6
Q

Spearman’s rank correlation coefficient

A

Shows the relation/correlation of two data sets. Either: no correlation, positive correlation or negative correlation

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