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Parallel Boxplots - Revision Quiz 1

Question 1 of 7

A survey was conducted about the total number of mobile applications (excluding default system apps) installed on the smart phone used by people of different ages in a select user group (200 people for each age group, total 800 people). The following boxplot shows the data obtained.

a) Which age group has the highest number of mobile apps installed on their smart phone?
b) What is the median number of apps installed on smart phones used by age group 26-30?
c) Which age group has the least interquartile range?
d) Which age group has the maximum range?
e) Write True or False – The age group with least number of mobile apps installed also has the least median?
f) What is the overall range for number of mobile apps installed, if we combine all age groups?

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Parallel Boxplots - Revision Quiz 1

Question 2 of 7

Noida, Gurgaon and Faridabad are three satellite towns adjoining New Delhi, the capital city of India. The Air Quality Index (AQI) was measured daily for all 4 locations over a period of 4 months. The following data was captured. The following table explains the meaning of different levels of AQI.

a) Which location had the greatest spread of AQI?
b) Which location was the most polluted?
c) For how many days did New Delhi have an AQI less than or equal to 87?
d) For how many days did Faridabad have Moderate level of AQI?
e) What was average of the median AQI for all locations?
f) Write True or False – Gurgaon was at the “Very Unhealthy” level of AQI or worse, for more than 75% of days (Assume 30 days for each month)

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Parallel Boxplots - Revision Quiz 1

Question 3 of 7

The boxplots for a maths and science test are given.

What is the difference in their ranges?

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Parallel Boxplots - Revision Quiz 1

Question 4 of 7

The boxplots for a maths and science test are given.

What is the difference in their IQRs?

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Parallel Boxplots - Revision Quiz 1

Question 5 of 7

The boxplots for a maths and science test are given.

What is the difference in their medians?

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Parallel Boxplots - Revision Quiz 1

Question 6 of 7

The boxplots for a maths and science test are given.

If there were \(20\) students who sat for both tests, how many students scored \(70\) or more in maths and science respectively?

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Parallel Boxplots - Revision Quiz 1

Question 7 of 7

The boxplots for a maths and science test are given.

What are the outliers for for maths and science respectively?

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Parallel Boxplots - Questions

Q 1 More Questions

Question 1

A survey was conducted about the total number of mobile applications (excluding default system apps) installed on the smart phone used by people of different ages in a select user group (200 people for each age group, total 800 people). The following boxplot shows the data obtained.

a) Which age group has the highest number of mobile apps installed on their smart phone?
b) What is the median number of apps installed on smart phones used by age group 26-30?
c) Which age group has the least interquartile range?
d) Which age group has the maximum range?
e) Write True or False – The age group with least number of mobile apps installed also has the least median?
f) What is the overall range for number of mobile apps installed, if we combine all age groups?

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Worked Solution Click to reveal

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Parallel Boxplots - Revision Quiz 1

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Parallel Boxplots - Revision Quiz 1

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Parallel Boxplots - Revision Quiz 1

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Parallel Boxplots - Revision Quiz 1

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Parallel Boxplots - Revision Quiz 1

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Parallel Boxplots - Revision Quiz 1

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