Page 89 - Mathematics Class - IX

Assertion-Reason Based Questions
Assertion-Reason Based Questions
Directions for Questions 1 to 3: In each of the questions given below, there are two statements marked as
Assertion (A) and Reason (R). Mark your answer as per the codes provided below:

(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true but R is not the correct explanation of A.
(c) A is true but R is false.
(d) A is false but R is true.

Q. 1. Assertion (A) : The middle most observation of data is called the median.
Reason (R) : Median divides the data into two equal parts.
Q. 2. Assertion (A) : Mode of the data 0, 5, 6, 9, 1, 5, 7, 5, 11, 15, 5, 7 is 5.
Reason (R) : Mode is the term that appears the most.

Q. 3. Assertion (A) : The mode is always one of the numbers in data.
Reason (R) : Mode is always greater than mean in a data.

Crossword Puzzles
Crossword Puzzles
Complete the following crossword puzzles.
Down
1.
1. Data occurs as primary and ___________.

2. How many central tendencies occurs? ___________.

Across

3. According to the formula:
2.
Mode = 3 × median–2 ___________ .
3.
4. Difference of highest and lowest value of data is
4.
called ___________.

5. 5. The middle value in a given set of data is called
___________.

Answers

Case-Study Based Questions: 1. (ii) 2. (i) 3. (iii) 4. (iv)
Assertion-Reason Based Questions: 1. (a) 2. (a) 3. (c)

Crossword: Down: 1. secondary 2. three
Across: 3. mean 4. range 5. median

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