A group of students were timed in their efforts to complete an F1 concession task for a certain module. The times (in seconds) of 20 students are summarised in the following stem-and-leaf plot: Stem 4 5 6 8 Leaf Calculate 156789 0 1 24 5688 03357 4|1= 41 Figure 1: Stem-and-leaf plot 6 the variance (correct to three decimal places) the standard deviation the upper quartile the lower quartile the interquartile range ‒‒‒‒‒

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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A group of students were timed in their efforts to complete an F1 concession task for
a certain module. The times (in seconds) of 20 students are summarised in the
following stem-and-leaf plot:
Stem
4
5
6
8
Leaf
Calculate
156789
01245688
03357
O
4|1= 41
Figure 1: Stem-and-leaf plot
#4
60
the variance (correct to three decimal places)
the standard deviation
the upper quartile
the lower quartile
the interquartile range
‒‒‒‒
Transcribed Image Text:A group of students were timed in their efforts to complete an F1 concession task for a certain module. The times (in seconds) of 20 students are summarised in the following stem-and-leaf plot: Stem 4 5 6 8 Leaf Calculate 156789 01245688 03357 O 4|1= 41 Figure 1: Stem-and-leaf plot #4 60 the variance (correct to three decimal places) the standard deviation the upper quartile the lower quartile the interquartile range ‒‒‒‒
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