Question: 4 (Unit 2) - 5 marks Do not use Minitab to answer this question. The National Student Survey data described in question 3 were collected

4 (Unit 2) - 5 marks Do not use Minitab to answer this question. The National Student Survey data described in question 3 were collected for students studying STEM (Science, Technology, Engineering, Maths) subjects part time. The boxplot below (Figure 4) shows the results. * Boxplot of approval rating (assessment) Approval rating (assessment) 20.0% 30.0% 40.0% 50.0% 60.0% 70.0% 80.0% 90.0% 100.0% Figure 4 (a) Explain what the asterisk (*) on the boxplot represents. [1] (b) What can be deduced about the skewness of the data from the boxplot? Explain your answer. [2] (c) A student finds that 85.1% of the STEM students at their own university had positive views of the assessment. They feel this is 'about average' compared with the rest of the sector. Use the boxplot to comment on whether this view seems justified, explaining your answer. [2]

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