14.The heights (in metres) of Grade 6 learners were taken and recorded as follows: ( see inserted picture)

14.1 Rank the heights from tallest to shortest. (2)

14.2 How many learners were involved? (1)

14.3 What is the modal height? (1)

14.4 What is the median of the heights? (2)

14.5 What is the mean of the heights of the learners? (3)

14.6 Identify extreme values of the data (i.e. the very small and the very big values of the data). (2)

14.7 Delete one extreme value of the data and recalculate the mean of the data to one decimal place. What do you notice about the original mean and the new mean? (5)

14.8 Did the mode and the median change when you deleted the extreme value? Give reasons for your answer. (4)

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101_2021_0_b (1).pdf - Adobe Reader - 0 X File Edit View Document Tools Window Help * 48 / 484 141% Find 4/ 14. The heights (in metres) of Grade 6 learners were taken and recorded as follows: 1,69 1,81 1,45 1,59 1,71 1,65 1,09 1,70 1,73 1,76 1,40 1,00 1,50 1,70 1,62 1,51 Activate Windows Go to Settings to activate Windows. of em A 11:25 AM 2021/08/26