Data Handling
Frequency distribution of daily income of 550 workers of a factory is given below.
1)What is the size of class intervals?
  

2)Which class has the highest frequency?
  

3)A number of times a particular number occurs are called ____________.
  

4)The bar graph shows the scores obtained when a die was rolled a number of times. If this information were displayed instead as a pie chart, what would be the angle of the sector of the pie chart representing the score of 2?
  

5)The pie chart shows the amount of time each day that Jethro spends on various activities. What is the angle for the sector of the pie chart representing the time he spends playing sport?
  

6)The bar graph shows the marks Brett obtained in his end of year exams. How many more percentage points did Brett score in his best subject than in his worst subject?
  

7)The pie chart shows the amount of time each day that Jethro spends on various activities. If this information were displayed using a bar graph with hours on the vertical axis, what would be the height of the bar for work?
  

8)A column graph is given;Find the ratio between the maximum production and the minimum production during the given period.
  


  


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