QUIZ 1 - Histograms & Cumulative frequency distributions

How many students have weight 58kg or less?

• 19

• 27

• 28

• 36

The biggest frequency density is i the interval _____.

• 0.25

• 0.5

• 1

• 2

What is the median class of the scores?

The frequency table above shows the height of the students in a school ABC. 

Which of the following class has the greatest frequency?

How many pockets contained 98 nails or less?

• 20

• 24

• 30

• 34

How many nails are in the packet at the 40th percentile?

• 80 nails

• 100 nails

• 120 nails

• 140 nails

From the following cumulative frequency table, how many scores of 123 was there?

• 2

• 5

• 13

• 15

The diagram shows the cumulative frequency graph drawn correctly for the table of data shown above is _____.

• 
• 
• 
• 

Explain this words :

1. Frequency

2. Frequency Density

3. Cumulative Frequency

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