Data Analysis

Hong Kong

Stage 1 - Stage 3

Examine the histogram given and answer the following questions.

a

Which number occured most frequently?

b

How many scores of $1$1 were there?

c

How many more scores of $1$1 were there than scores of $4$4?

Easy

Approx a minute

Some people were asked how many of their high school friends they remained in contact with after high school.

The results were grouped into categories, presented in the frequency distribution table:

Continuous data is represented in a histogram as shown:

Construct a column graph to represent the following data:

$46,47,48,48,48,47,50,47,48,50,47,46,49,49,50,49,48,47,46,50,48,51,51,50,50,47,49,48,51,49,50,51$46,47,48,48,48,47,50,47,48,50,47,46,49,49,50,49,48,47,46,50,48,51,51,50,50,47,49,48,51,49,50,51

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