NCERT Solutions Class 8 Maths Chapter 15 — Data Handling

Solution:

Step 1: The maximum value is 25 and the minimum value is 7.

Step 2: Range: [25 − 7 = 18]

Solution:

Step 1: Frequency is the count of observations that fall within a particular class interval.

Solution:

Step 1: Total outcomes = 2 (Head, Tail).

Step 2: Favourable outcomes for Head = 1.

Step 3: Probability: [P(Head) = 1/2]

Solution:

Step 1: A bar graph uses rectangular bars of equal width to represent data.

Step 2: The height (or length) of each bar represents the value or frequency.

Solution:

Step 1: A standard die has 6 faces numbered 1 to 6.

Step 2: Each face is equally likely, so there are 6 possible outcomes.