Page 297 - Artificial Intellegence_v2.0_Class_11
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2. The following data set of the heights and weights of a random sample of 10 employees is acquired. Is
there any apparent relationship between the two variables?
S. No Height Weight
1 5 ft 6 inch 60 kgs
2 5 ft 4 inch 55 kgs
3 5 ft 8 inch 78 kgs
4 5ft 9 inch 82 kgs
5 5 ft 4 inch 53 kgs
6 5 ft 7 inch 56 kgs
7 5 ft 3 inch 54 kgs
8 5ft 5 inch 65 kgs
9 5 ft 6 inch 74 kgs
10 5 ft 3 inch 65 kgs
3. You ask your friends which ‘food item’ they like best. Here is what you found:
Pizza Burger Momos Rolls French Fries
3 5 6 2 4
Create a pie chart of the above data and answer the following questions after studying the graph.
• Which food item is liked most?
• Which food item is liked the least?
• Which food items together constitute 50% of the graph?
4. Visit the website https://www.mladdict.com/linear-regression-simulator Plot a scatterplot
and let the model calculate your 'Regression Line of Best Fit'!
Answers
Exercise (Section A)
A. 1. b 2. c 3. d 4. c 5. d 6. b 7. a 8. c 9. a 10. a
B. 1. squares 2. -1 3. Outliers
4. association 5. discrete
C. 1. True 2. False 3. True 4. False 5. False
D. 1. c 2. a 3. e 4. b 5. d
Regression 295

