Page 271 - Artificial Intellegence_v2.0_Class_11
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3. In distribution, the median, mean, and mode are the same.
4. The tabular format to present cases and variables used in statistical study is known as .
5. Right-skewed distribution is also called .
SECTION B (Subjective Type Questions)
A. Short answer type questions.
1. The following data shows the numbers a player got on rolling a dice while playing the game of ludo. Create a
frequency table for this data:
6 5 1 1 4 1
6 2 5 4 3 2
3 6 4 1 6 3
4 4 5 1 3 2
2. What do you understand by data matrix?
3. Differentiate between nominal and ordinal measurement.
4. Define mode. Find mode for the following set of values:
3 7 9 4 7 3 2 3 4 7 1 9
5. What is a scatter plot?
B. Long answer type questions.
1. What is level of measurement? Explain how knowing level of measurement helps?
2. Differentiate between case and variable citing examples.
3. What is correlation? Explain the concept of no correlation with any one suitable example.
4. What is a bar graph? List its advantages.
5. What is structured data? Explain its types.
C. Competency-based/Application-based questions:
Sumit notes the marks of the all students of his class. Find the mean marks of his class.
Mark 10-20 20-30 30-40 40-50 50-60 60-70 70-80
No. of Students 6 11 10 20 22 13 8
In Life Interdisciplinary
Find out why mean, median and mode play an important role in Machine Learning.
Deep Thinking Critical Thinking
Collect the shoe size of all students of your class. Find out the average shoe size and the most occurring shoe size.
Observe if shoe size has any relation with the height of the student.
Data Analysis (Computational Thinking) 269

