NZ Level 5
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Create and interpret histograms

Interactive practice questions

Examine the histogram given and answer the following questions.

ScoreFrequency10203001234

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?

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Approx a minute
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Some people were asked approximately how many of their high school friends they remained in contact with after high school. The results are presented in the frequency distribution table:

Data is represented in a histogram as shown:

Construct a histogram 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

Outcomes

S5-1

Plan and conduct surveys and experiments using the statistical enquiry cycle:– determining appropriate variables and measures;– considering sources of variation;– gathering and cleaning data;– using multiple displays, and re-categorising data to find patterns, variations, relationships, and trends in multivariate data sets;– comparing sample distributions visually, using measures of centre, spread, and proportion;– presenting a report of findings

S5-2

Evaluate statistical investigations or probability activities undertaken by others, including data collection methods, choice of measures, and validity of findings

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