College

The raw data below show the heights (cm) of a sample of people:

149, 150, 151, 152, 151, 152, 150, 151, 156, 152, 156, 152, 151, 152, 151, 152, 151, 152, 152, 151, 152, 151, 152, 151

Determine the median height, correct to 1 decimal place.

Answer :

The median height is 151 cm.

To find the median height, we first need to arrange the data in ascending order:

149, 150, 150, 151, 151, 151, 151, 151, 152, 152, 152, 152, 152, 152, 156, 156

Since there are 16 data points (an even number), the median will be the average of the two middle values (8th and 9th values).

Median = (151 + 151) / 2 = 302 / 2 = 151

So, the median height is 151 cm, correct to one decimal place.

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