Deciles for Ungrouped Data

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Quiz on deciles for ungrouped data.

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Alma Bollosa

Philippines

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Froggy Jumps Deciles for Ungrouped DataOnline version Quiz on deciles for ungrouped data. by Alma Bollosa 1 What is a decile in statistics? a A value that splits data into ten equal parts b A type of probability distribution c A measure of dispersion 2 How do you obtain the k-th decile in ungrouped data? a Sort data and take the value at rank kN/10 (with interpolation if needed) b Compute from the mean alone c Use the maximum value only 3 For N data points, what is the position of the 4th decile (D4) if N=20? a Position 12 b Position 4 c Position 8 4 If N=25, what is the rank corresponding to D3? a 15th value only b 3.3 or between 3rd and 4th c 2.5 or between 7th and 8th values 5 Why might you interpolate when determining deciles in ungrouped data? a Because kN/10 is not always an integer b To avoid sorting data c To increase sample size 6 If all data values are identical, what are all deciles? a Zero b Undefined c That identical value 7 Which statement is true about D10 in ungrouped data? a D10 equals the mean b D10 equals the minimum value c D10 equals the maximum value 8 Which action does not affect decile calculation for ungrouped data? a Sorting the data b Interpolating when needed c Not sorting the data 9 How do deciles relate to quartiles in a data set? a Quartiles are always deciles b Deciles split into 10 parts; quartiles split into 4 parts c Deciles are the same as quartiles 10 In a data set of 12 values, what is the D5 position (rank) before interpolation? a Position 6 b Position 5 c Position 7

Froggy Jumps

Deciles for Ungrouped DataOnline version

Quiz on deciles for ungrouped data.

by Alma Bollosa

What is a decile in statistics?

A value that splits data into ten equal parts

A type of probability distribution

A measure of dispersion

How do you obtain the k-th decile in ungrouped data?

Sort data and take the value at rank kN/10 (with interpolation if needed)

Compute from the mean alone

Use the maximum value only

For N data points, what is the position of the 4th decile (D4) if N=20?

Position 12

Position 4

Position 8

If N=25, what is the rank corresponding to D3?

15th value only

3.3 or between 3rd and 4th

2.5 or between 7th and 8th values

Why might you interpolate when determining deciles in ungrouped data?

Because kN/10 is not always an integer

To avoid sorting data

To increase sample size

If all data values are identical, what are all deciles?

Zero

Undefined

That identical value

Which statement is true about D10 in ungrouped data?

D10 equals the mean

D10 equals the minimum value

D10 equals the maximum value

Which action does not affect decile calculation for ungrouped data?

Sorting the data

Interpolating when needed

Not sorting the data

How do deciles relate to quartiles in a data set?

Quartiles are always deciles

Deciles split into 10 parts; quartiles split into 4 parts

Deciles are the same as quartiles

In a data set of 12 values, what is the D5 position (rank) before interpolation?

Position 6

Position 5

Position 7

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Deciles for Ungrouped Data

Froggy Jumps

About this activity

Created by

Download the paper version to play

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Deciles for Ungrouped DataOnline version

by Alma Bollosa

What is a decile in statistics?

How do you obtain the k-th decile in ungrouped data?

For N data points, what is the position of the 4th decile (D4) if N=20?

If N=25, what is the rank corresponding to D3?

Why might you interpolate when determining deciles in ungrouped data?

If all data values are identical, what are all deciles?

Which statement is true about D10 in ungrouped data?

Which action does not affect decile calculation for ungrouped data?

How do deciles relate to quartiles in a data set?

In a data set of 12 values, what is the D5 position (rank) before interpolation?

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