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Summary Exam Answer MAE202N - November 2020
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- University Of South Africa (Unisa)
Exam Answers for MAE202N November 2020 - Received Distinction
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MAE202N Examination Student 49432087Question 1
1.1.1 Quantitative data
1.1.2 Discrete data
1.1.3 Interval scale
1.1.4 Qualitative data
1.1.5 Categorical data
1.1.6 Nominal scale
1.1.7 Qualitative data
1.1.8 Categorical data
1.1.9 Ordinal scale
1.1.10 Quantitative data
1.1.11 Continuous data
1.1.12 Ratio scale
1.2
1.2.1 The population of interest is the group of customers at the restaurant.
1.2.2 The sample of interest is the specific group of the population that ate lunch at the
restaurant that day, emphasis on the lunch going sample.
1.2.3 One of the lunch customers.
1.2.4 Questionnaire
Page 1 of 8
, MAE202N Examination Student 49432087
Question 2
2.1 Less than 6.4km = 8 + 10 + 4 + 4
= 26 runners
2.2 Between 3.2 – 7.9 = 10 + 8 + 12
= 30 runners
2.3 Total runners = 4 + 4 + 10 + 8 + 12
= 38 runners
38 x 47.36% = 17.9968
≈ 18 runners
∴ Group 3.2-4.7 and 4.8-6.3 or
Group 0-1.5 and 1.6-3.1 and 3.2-4.7
2.4.1 Thirty-one (31%) percent of the runners surveyed run 6.4 – 7.9 km.
2.4.2 Five-Nineteenths ( ) of the runners surveyed run 3.2 – 4.7 km each week.
2.4.3 Four-Nineteenths ( ) of the runners run 4.8 – 6.3 km each week.
2.5 Sorted data:
Hours slept 5,5 6,5 7 7 7,5 7,5 7,5 7,5 8 8 9 9,5 9,5 10 10 10,5 11 11 11 11,5
2.5.1 Median = = = 8.5 hours
. . ∗ . ∗ ∗ . ∗ ∗ . ∗ .
2.5.2 Mean =
.
= = 8.375 ≈ 8.4 hours
2.5.3 Mode = 7.5 hours
2.5.4 Q1 = 7.5
2.5.5 Q3 = 10.5
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