Finding the Mean From a Frequency Table
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  • Introduction
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This worksheet is about finding a mean average from a frequency table.

Sometimes the data given for finding a mean is in a table. The table below shows the number of pets owned by 21 different people.

 

Number of pets 0 1 2 3 4
Number of people 7 6 5 2 1

 

The total number of people = 7 + 6 + 5 + 2 + 1 = 21.


From the table 7 people have 0 pets = total 0 pets.
                       6 people have 1 pet = total 6 pets.
                       5 people have 2 pets = total 10 pets.
                       2 people have 3 pets = total 6 pets.
                       1 people have 4 pets = total 4 pets.


Total number of pets = 0 + 6 + 10 + 6 + 4 = 26 pets on total.

 

Mean number of pets =
total number of pets
total number of people
=
26
21
= 1.2 pets per person
  • Question 1
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The following table shows the money (in £100 rounded to the nearest £100) collected by people on a sponsored run.


Work out the mean amount collected by each person.

(Round answers to the nearest whole number in this and the following questions)

 

Money collected ( x £100) 1 2 3 4 5
Number of people 3 7 10 10 5

 

Mean:
£  
  • Question 2
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The following table shows the money (in £100 rounded to the nearest £100) collected by people on a sponsored run.


Work out the mean amount collected by each person.

 

Money collected (x £100) 1 2 3 4 5
Number of people 3 7 8 10 7

 

Mean:
£  
  • Question 3
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The following table shows the money (in £100 rounded to the nearest £100) collected by people on a sponsored run.


Work out the mean amount collected by each person.

 

Money collected (x £100) 1 2 3 4 5
Number of people 3 10 9 9 9

 

Mean:
£  
  • Question 4
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The following table shows the money (in £100 rounded to the nearest £100) collected by people on a sponsored run.


Work out the mean amount collected by each person.

 

Money collected (x £100) 1 2 3 4 5
Number of people 7 8 9 10 4

 

Mean:
£  
  • Question 5
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The following table shows the money (in £100 rounded to the nearest £100) collected by people on a sponsored run.


Work out the mean amount collected by each person.

 

Money collected (x £100) 1 2 3 4 5
Number of people 5 9 5 6 3

 

Mean:
£  
  • Question 6
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The following table shows the money (in £100 rounded to the nearest £100) collected by people on a sponsored run.


Work out the mean amount collected by each person.

 

Money collected (x £100) 1 2 3 4 5
Number of people 6 10 9 8 4

 

Mean:
£  
  • Question 7
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The following table shows the money (in £100 rounded to the nearest £100) collected by people on a sponsored run.


Work out the mean amount collected by each person.

 

Money collected (x £100) 1 2 3 4 5
Number of people 7 8 10 8 5

 

Mean:
£  
  • Question 8
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The following table shows the money (in £100 rounded to the nearest £100) collected by people on a sponsored run.


Work out the mean amount collected by each person.

 

Money collected (x £100) 1 2 3 4 5
Number of people 5 7 9 8 2

 

Mean:
£  
  • Question 9
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The following table shows the money (in £100 rounded to the nearest £100) collected by people on a sponsored run.


Work out the mean amount collected by each person.

 

Money collected (x £100) 1 2 3 4 5
Number of people 4 7 9 8 7

 

Mean:
£  
  • Question 10
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The following table shows the money (in £100 rounded to the nearest £100) collected by people on a sponsored run.


Work out the mean amount collected by each person.

 

Money collected (x £100) 1 2 3 4 5
Number of people 5 6 7 10 3

 

Mean:
£  
Progress