Types of data Flashcards

1
Q

Types of data?

A
  1. Categorical
  2. Numeric
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2
Q

Types of categorical data?

A
  1. Nominal
  2. Ordinal
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3
Q

Types of numeric data?

A
  1. Continuous
  2. Discrete
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4
Q

Sub-type of nominal data?

A

Binary

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5
Q

Nominal data?

A

Nominal data is data that can be labelled or classified into mutually exclusive categories within a variable.

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6
Q

What is the criteria of nominal data?

A
  1. Mutual Exclusive Categories
  2. No order to the categories
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7
Q

Binary data?

A

a statistical data type consisting of categorical data that can take exactly two possible values, such as “A” and “B”, or “heads” and “tails”. It is also called dichotomous data

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8
Q

Ordinal data?

A

Ordinal data is a type of qualitative (non-numeric) data that groups variables into descriptive categories. A distinguishing feature of ordinal data is that the categories it uses are ordered on some kind of hierarchical scale, e.g. high to low

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9
Q

What are the features of ordinal data?

A
  1. Mutually exclusive categories
  2. Logical Ordering to the catergories
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10
Q

Numeric data?

A

Numerical data refers to the data that is in the form of numbers, and not in any language or descriptive form.

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11
Q

Continuous data?

A

Continuous data is data that can take any value within in a measuring range.

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12
Q

What is precision and range dependent on?

A
  1. Range
  2. Precision of the measuring device
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13
Q

Discrete data?

A

Discrete data is a type of quantitative data that includes nondivisible figures and statistics you can count.

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14
Q

Levels of measurement for categorical?

A

Nominal: Name only

Ordinal: Name + Ordered

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15
Q

Levels of measurement for numeric?

A

Interval: named+ordered+equal distance between intervals

Ratio: named+ordered+equal distance between intervals + True Zero

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