Univariate Data

Hong Kong

Stage 4 - Stage 5

Consider the dot plot below.

a

Determine the median, lower quartile score and the upper quartile score.

Median $=$= $\editable{}$

Lower quartile $=$= $\editable{}$

Upper quartile $=$= $\editable{}$

b

Hence, calculate the interquartile range.

c

Calculate $1.5\times IQR$1.5×`I``Q``R`, where IQR is the interquartile range.

d

An outlier is a score that is more than $1.5\times IQR$1.5×`I``Q``R` above or below the Upper Quartile or Lower Quartile respectively. State the outlier.

Easy

2min

VO_{2} Max is a measure of how efficiently your body uses oxygen during exercise. The more physically fit you are, the higher your VO_{2} Max. Here are some people’s results when their VO_{2} Max was measured.

$46,27,32,46,30,25,41,24,26,29,21,21,26,47,21,30,41,26,28,26,76$46,27,32,46,30,25,41,24,26,29,21,21,26,47,21,30,41,26,28,26,76

Easy

9min

A set of data has the following five-number summary.

Easy

2min

A set of data has the following box plot.

Easy

1min

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