Descriptive Statistics Flashcards

1
Q

Describes the summary of data (population)

A

Descriptive Statistics

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2
Q

Two main branches of Descriptive Statistics

A
  1. Measures of Central Tendency
  2. Measures of Variability
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3
Q

Examples of this measurement are the mean, median, mode, and percentile.

A

Measures of Central Tendency

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4
Q

Examples of this measurement are the range, standard deviation, and interquartile range.

A

Measures of Variability

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5
Q

It is also known as Average; are affected by extreme values

A

Mean

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6
Q

It is the most occurring item in the dataset.

A

Mode

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7
Q

Middle value when put in ascending or descending order.

A

Median

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8
Q

It divides the data in two equal parts when arranged in ascending or descending order.

A

Median

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9
Q

It divides data in 99 parts.

A

Percentile

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10
Q

It divides data in 4 parts.

A

Quartile

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11
Q

Difference between lowest and the highest value

A

Range

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12
Q

Range of middle 50% data

A

Interquartile Range

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13
Q

Formula of Interquartile Range

A

IQR = Q3-Q1

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14
Q

It is the square root of variance

A

Standard Deviation

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