Teaching Treasures Statistics with Group Data


 

Statistics with Group Data

Below is picture graph showing the salary distribution of employees working at a factory.
Complete the graph using the data given below, making sure you use whole faces at the
beginning of the graph and a half face to finish any amount not divisible by four.

Employee Salary Graph

Income (annually) Number of Employees
7 000 to 9 000 blank blank blank blank blank blank
10 000 to 13 000 blank blank blank blank blank blank
14 000 to 17 000 blank blank blank blank blank blank
18 000 to 21 000 blank blank blank blank blank blank
22 000 to 24 000 blank blank blank blank blank blank
25 000 to 30 000 blank blank blank blank blank blank
31 000 to 45 000 blank blank blank blank blank blank

blank

Data

  • 7 000 to 9 000 = 10 employees

  • 10 000 to 13 000 = 12 employees

  • 14 000 to 17 000 = 20 employees

  • 18 000 to 21 000 = 16 employees

  • 22 000 to 24 000 = 10 employees

  • 25 000 to 30 000 = 14 employees

  • 31 000 to 45 000 = 8 employees

Each full face counts for 4 employees
Click on either full face or half facethen click on the correct place on the graph to insert them.

Click this then click on a face to
delete it.
How many employees receive a salary in the range of:
1. 7 000 to 9 000 blank
2. 14 000 to 17 000 blank
3. 25 000 to 30 000 blank
4. 31 000 to 45 000 blank
 
What salary range includes more employees than any other? blank
 
What percentage of employees earn a salary in the range of: Express as a decimal, round to the nearest hundredth
1. 14 000 to 17 000 blank
2. 7 000 to 9 000 blank
3. 18 000 to 21 000 blank
4. 25 000 to 30 000 blank
5. 31 000 to 45 000 blank
 

If executive officers, supervisors and managers earn more than 30 000, how many executive officers, supervisors and managers are there?

blank
 
How many employees are there in total? blank
 

  

 

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