NZ Level 6 (NZC) Level 1 (NCEA)
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Create and Interpret Parallel Box Plots

Interactive practice questions

The box plots show the monthly profits (in thousands of dollars) of two derivatives traders over a year.

Ned

5
10
15
20
25
30
35
40
45
50
55
60

Tobias

5
10
15
20
25
30
35
40
45
50
55
60

a

Who made a higher median monthly profit?

Ned

A

Tobias

B

Ned

A

Tobias

B
b

Whose profits had a higher interquartile range?

Tobias

A

Ned

B

Tobias

A

Ned

B
c

Whose profits had a higher range?

Ned

A

Tobias

B

Ned

A

Tobias

B
d

How much more did Ned make in his most profitable month than Tobias did in his most profitable month?

Easy
Approx 2 minutes
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The box plots show the distances, in centimetres, jumped by two high jumpers.

The box plots show the prices, in dollars, of the items on the menu of an upmarket restaurant and the menu of a fast food restaurant.

The box plots show the number of goals scored by two football players in each season.

Outcomes

S6-1

Plan and conduct investigations using the statistical enquiry cycle: A justifying the variables and measures used B managing sources of variation, including through the use of random sampling C identifying and communicating features in context (trends, relationships between variables, and differences within and between distributions), using multiple displays D making informal inferences about populations from sample data E justifying findings, using displays and measures.

91035

Investigate a given multivariate data set using the statistical enquiry cycle

91036

Investigate bivariate numerical data using the statistical enquiry cycle

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