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Frequency And Cumulative Frequency Graphs - Revision Quiz 1

Question 1 of 7

The adjacent histogram represents scores for a test given to a group of students.

a) The number of students in the group is?
b) Determine the score with the highest frequency.
c) Calculate the percentage of scores greater than 15.

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Frequency And Cumulative Frequency Graphs - Revision Quiz 1

Question 2 of 7

From the adjacent cumulative frequency histogram,

a) What percentage of the group weighed less than 69kg?
b) What is the median?

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Frequency And Cumulative Frequency Graphs - Revision Quiz 1

Question 3 of 7

A packet of widgets is labelled contents \('30'\) but a quality control check found the results in the adjacent table.

a) Using the graph, draw a frequency histogram from the data provided.
b) Determine the range.

Answer

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Frequency And Cumulative Frequency Graphs - Revision Quiz 1

Question 4 of 7

The adjacent table represents the number of patients coming into the emergency department in a hospital on a particular day.

a) Draw a cumulative frequency histogram and on the same diagram an ogive.
b) Determine the median age.

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Frequency And Cumulative Frequency Graphs - Revision Quiz 1

Question 5 of 7

The adjacent table represents the ages of teachers at a particular school. From the data provided

a) Draw a cumulative frequency histogram
b) Determine the percentage of teachers older than 48

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Frequency And Cumulative Frequency Graphs - Revision Quiz 1

Question 6 of 7

From the cumulative frequency histogram

Determine

i) Percentage of scores less than \(10\)
ii) The median

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Frequency And Cumulative Frequency Graphs - Revision Quiz 1

Question 7 of 7

From the adjacent cumulative frequency graph, determine the median.

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