to exercises in the course syllabus

Week | Exercise | Correct Answer | ||||||||||||||||||
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2 - Data Presentation | "Company vehicles" |
n = 40 | ||||||||||||||||||

3 - Central Tendency | "Company vehicles" | Raw Data: mean = 146.8 median = 146 mode = 135 variance = 166.06 S = 12.9 slight positive skewness Frequency Distribution:mean = 147.0; median = 146.8 (based on the ogive),mode = 145 (mid-point of modal class) variance = 181 S = 13.5 | ||||||||||||||||||

5 - Index Numbers | Indices for 1996 |
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Indices for 1997 |
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2. | Rise between 1995 and 1996 = 10.7% Rise between 1995 and 1997 = 23% Rise between 1996 and 1997 = 11.1% | |||||||||||||||||||

3. (adjustment of wage index) | I_{1996} = 107.56I _{1997} = 115.97The wage rises were not the main factor. | |||||||||||||||||||

6 - Correlation | 1 - 5 Minitest 1 | Answers will be made available in the due course of time | ||||||||||||||||||

7 - Chi-Squared Test | 1 - 5 | Answers will be made available in the due course of time | ||||||||||||||||||

8 - Probability | 1 - 5 | Answers will be made available in the due course of time | ||||||||||||||||||

9 - Binomial Distribution | 1 - 5 Minitest 2 | Answers will be made available in the due course of time | ||||||||||||||||||

10 - Normal Distribution | 1 - 5 | Answers will be made available in the due course of time | ||||||||||||||||||

11 - Statistical Inference | 1 - 5 | Answers will be made available in the due course of time |