Quartiles – Knowsia

QTB – Nov 2014 – L1 – SA – Q9 – Data Collection Analysis

Calculates the first quartile (Q1) of the given frequency distribution.

Question

The table below shows the frequency distribution of marks obtained by 36 students in a class:

Class Marks	Frequencies
0 but less than 5	6
5 but less than 10	10
10 but less than 15	8
15 but less than 20	12

The first quartile of the distribution is:
A. 6.0
B. 6.2
C. 6.3
D. 6.4
E. 6.5

Answer

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Tags: Class Intervals, Frequency Distribution, Quartiles
Level: Level 1

Topic: Data Collection Analysis
Series: NOV 2014

QTB – May 2015 – L1 – SB – Q5b – Data Collection Analysis

This question requires calculating the lower and upper quartiles for the age distribution of licensed automobile drivers using cumulative frequency.

Question

The following data gives the distribution by age of licensed automobile drivers in a city in the year 2011:

Age Group	Number of Drivers (in thousands)
14 – 19	5
20 – 25	48
26 – 31	124
32 – 37	205
38 – 43	86
44 – 49	72
50 – 55	53
56 – 61	13

You are required to calculate the lower quartile (Q1) and upper quartile (Q3) of the age of the drivers.

Answer

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Tags: Drivers' Age, Frequency Distribution, Quartiles, Statistics
Level: Level 1

Topic: Data Collection Analysis
Series: MAY 2015

QTB – Nov 2014 – L1 – SA – Q9 – Data Collection Analysis

Calculates the first quartile (Q1) of the given frequency distribution.

Question

The table below shows the frequency distribution of marks obtained by 36 students in a class:

Class Marks	Frequencies
0 but less than 5	6
5 but less than 10	10
10 but less than 15	8
15 but less than 20	12

The first quartile of the distribution is:
A. 6.0
B. 6.2
C. 6.3
D. 6.4
E. 6.5

Answer

Find Related Questions by Tags, levels, etc.

Tags: Class Intervals, Frequency Distribution, Quartiles
Level: Level 1

Topic: Data Collection Analysis
Series: NOV 2014

QTB – May 2015 – L1 – SB – Q5b – Data Collection Analysis

This question requires calculating the lower and upper quartiles for the age distribution of licensed automobile drivers using cumulative frequency.

Question

The following data gives the distribution by age of licensed automobile drivers in a city in the year 2011:

Age Group	Number of Drivers (in thousands)
14 – 19	5
20 – 25	48
26 – 31	124
32 – 37	205
38 – 43	86
44 – 49	72
50 – 55	53
56 – 61	13

You are required to calculate the lower quartile (Q1) and upper quartile (Q3) of the age of the drivers.

Answer

Find Related Questions by Tags, levels, etc.

Tags: Drivers' Age, Frequency Distribution, Quartiles, Statistics
Level: Level 1

Topic: Data Collection Analysis
Series: MAY 2015

Question Tag: Quartiles

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QTB – Nov 2014 – L1 – SA – Q9 – Data Collection Analysis

Calculates the first quartile (Q1) of the given frequency distribution.

QTB – May 2015 – L1 – SB – Q5b – Data Collection Analysis

This question requires calculating the lower and upper quartiles for the age distribution of licensed automobile drivers using cumulative frequency.

QTB – Nov 2014 – L1 – SA – Q9 – Data Collection Analysis

Calculates the first quartile (Q1) of the given frequency distribution.

QTB – May 2015 – L1 – SB – Q5b – Data Collection Analysis

This question requires calculating the lower and upper quartiles for the age distribution of licensed automobile drivers using cumulative frequency.

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Question Tag: Quartiles

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QTB – Nov 2014 – L1 – SA – Q9 – Data Collection Analysis

Calculates the first quartile (Q1) of the given frequency distribution.

You're reporting an error for "QTB – Nov 2014 – L1 – SA – Q9 – Data Collection Analysis"

QTB – May 2015 – L1 – SB – Q5b – Data Collection Analysis

This question requires calculating the lower and upper quartiles for the age distribution of licensed automobile drivers using cumulative frequency.

You're reporting an error for "QTB – May 2015 – L1 – SB – Q5b – Data Collection Analysis"

QTB – Nov 2014 – L1 – SA – Q9 – Data Collection Analysis

Calculates the first quartile (Q1) of the given frequency distribution.

You're reporting an error for "QTB – Nov 2014 – L1 – SA – Q9 – Data Collection Analysis"

QTB – May 2015 – L1 – SB – Q5b – Data Collection Analysis

This question requires calculating the lower and upper quartiles for the age distribution of licensed automobile drivers using cumulative frequency.

You're reporting an error for "QTB – May 2015 – L1 – SB – Q5b – Data Collection Analysis"

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