Question

1) A teacher obtains data about the number of absences and final average over the PAST 3 years.

A) Retrospective or B) Prospective

2) Which of the following CANNOT be identified from a boxplot.

a) Minimum x

b) Median

c) Outliers

d) Mode

e) Maximum x

Answer 1

(1) Prospective is new or fresh or what is expected to come. The prospective students. So we can only forecast about prospective data.

What has been collected is against events that have already occurred. The absences has already occurred and based on which if these affect final scores. This is Option A: retrospective

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(2) The Box plot, is a 5 number summary, which starts with the minimum value followed by the first quartile, then the median, then the 3rd quartile and finally the maximum value. Using the 5 number summary, we can also identify outliers, but we cannot identify the mode.

Option d: The mode is not a part of the 5 number summary.

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