Page 191 - Artificial Intellegence_v2.0_Class_11
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2. What measure of central tendency is calculated by adding all the values and dividing the sum by the number of
values?
a. Median b. Mean
c. Mode d. Typical value
3. Which among the following is an unordered collection of objects?
a. Matrix b. Vector
c. Determinant d. Set
4. In which type of linear regression, the two variables vary linearly?
a. Complex b. Multiple
c. Simple d. Logistic
5. Which of these combines the result of both Left Join and Right Join?
a. Right Outer Join b. Left Outer Join
c. Full Outer Join d. Inner Join
6. Which among the following is a matrix with all elements zero except its leading diagonal?
a. Row matrix b. Column matrix
c. Diagonal matrix d. Unit matrix
7. The is the value that appears most often in a given list of numbers.
a. Mean b. Mode
c. Median d. Difference
8. What will be the order of the product matrix after multiplying the following?
1
3
3 4 2
2
a. 3 x 3 b. 3 x 1
c. 1 x 3 d. 4 x 3
9. Which join returns all records from the left table, and the matching records from the right table?
a. Full Join b. Inner Join
c. Right Outer Join d. Left Outer Join
10. Which line passes close to most of the data points in a scatterplot?
a. Linear Regression b. Line of best-fit
c. Fitting Line d. Either a or b
B. Fill in the blanks.
1. are an organised collection of objects and can be represented in capital letters.
2. A is defined as a list of numbers in one-dimensional form.
3. The method is a form of mathematical regression analysis used to determine the line of
best-fit for a data set.
4. We need to help turn observations into information and answer questions about observation samples.
5. is a statistic that measures the degree of dispersion of a data set relative to its average.
6. Each of these small segments, like the range 0–1 Hz, is termed a .
Maths for AI 189

