Summary Exam Answer MAE202N - November 2020

MAE202N Examination Student 49432087

Question 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




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, 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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