Do not use Minitab to answer this question. Each year the National Student Survey asks final year students for their views on various aspects of their degree course. The stemplot (Figure 3 below) uses data from students studying technology part time. It shows what proportion of them had positive views on the assessment at their institution. Stem-and-leaf of Approval rating N = 39 Figure 3 1 3 4 2 3 8 3 40 5 4 57 10 5 00123 13 5 789 19 6 014444 (2) 6 78 00011222 18 7 10 7 589 7 8 223 4 8 67 2 91 1 96 Leaf Unit =0.01

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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a) Briefly describe the shape of this stemplot. Your answer should consider whether the distribution is unimodal, bimodal or multimodal, whether it is symmetric, right-skew or left-skew and whether or not there are outliers. Justify your conclusions. 

b) It was later discovered that the university with score 0.87 should have had score 0.78. Without doing any calculations, comment, with a reason, on the impact this will have on:

  • the mean

  • the median

  • the range

Do not use Minitab to answer this question.
Each year the National Student Survey asks final year students for their
views on various aspects of their degree course. The stemplot (Figure 3
below) uses data from students studying technology part time. It shows what
proportion of them had positive views on the assessment at their institution.
Stem-and-leaf of Approval rating N = 39
Figure 3
1
3 4
2
3 8
3
40
5
4 57
10 5
00123
13
5 789
19 6
014444
(2) 6
78
00011222
18 7
10 7
589
7
8 223
4
8 67
2
91
1
96
Leaf Unit =0.01
Transcribed Image Text:Do not use Minitab to answer this question. Each year the National Student Survey asks final year students for their views on various aspects of their degree course. The stemplot (Figure 3 below) uses data from students studying technology part time. It shows what proportion of them had positive views on the assessment at their institution. Stem-and-leaf of Approval rating N = 39 Figure 3 1 3 4 2 3 8 3 40 5 4 57 10 5 00123 13 5 789 19 6 014444 (2) 6 78 00011222 18 7 10 7 589 7 8 223 4 8 67 2 91 1 96 Leaf Unit =0.01
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