Topic 1 - Data, Statistics and Jamovi Flashcards

1
Q

What are the 2 numerical data types?

A
  • Continuous

- Discrete

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2
Q

What are the 2 categorical data types?

A
  • Ordinal

- Nominal

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3
Q

What is continuous data?

A

A continuum of variables is possible e.g. height

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4
Q

What is discrete data?

A

Can only be discrete values e.g. number of siblings

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5
Q

What is ordinal data?

A

Categories that have order e.g. size.

remember - ordinal you need to make sure everyone would agree with the same ordering

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6
Q

What is nominal data?

A

Categories with no order e.g. hair colour

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7
Q

Histograms are used to show…

A

Distribution of variables

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8
Q

Bar charts are used to…

A

Compare variables

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9
Q

When you have 1 variable and are using categorical data, what chart would you use to display ordinal data?

A

Bar chart

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10
Q

When you have 1 variable and are using categorical data, what chart would you use to display nominal data?

A

Pareto chart

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11
Q

When you have 2 variables which are both categorical, which chart/s would you use to display data?

A
  • Clustered bar chart

- Stacked bar chart

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12
Q

Which type of graph would you use to display nominal data?

A

Pareto chart:

*in order of counts because no natural order exists

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13
Q

Which type of graph would you use to display ordinal data?

A

Bar chart

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14
Q

When you have large numbers and variables close together you should use a…

A

Histogram

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15
Q

Which type of graph would you use to display data with a discrete variable?

A
  • Bar chart
  • if there are a small number of discrete values; bar chart*
  • Histogram
  • if there are a large number of discrete values closer to continuous; histogram
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16
Q

Which type of graph would you use to display data with a continuous variable?

A
  • Histogram

- Boxplot

17
Q

Which type of graph would you use to display data with two categorical variables?

A
  • Clustered bar chart

- Stacked bar chart

18
Q

Numerical data has to have…

A

Numbers

19
Q

Continuous data has … answers

A

Infinite possible

20
Q

Length is categorised into which type of variable?

A

Continuous

21
Q

Colour is categorised into which type of variable?

A

Nominal

can’t order colours

22
Q

Brightness is categorised into which type of variable?

A

Ordinal

e.g. bright, very bright, etc.

23
Q

Weight is categorised into which type of variable?

A

Continuous

unless a set weight is used for something, it can be ordinal