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Maths Tales by Dots and Lines - Chapter 5 Class 8 (Ganita Prakash II) Assertion and Reason Questions

Assertion Reasoning Quiz · Class 8 · Maths · CBSE

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Chapter 5 Class 8 - Tales by Dots and Lines (Ganita Prakash II) | 7 questions | about 6 minutes

Practise Tales by Dots and Lines - Chapter 5 Class 8 (Ganita Prakash II) with Teachoo's Assertion Reasoning Quiz (Class 8 · Maths · CBSE). Practise these questions in a free interactive quiz with answer feedback.

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Question 1 of 7
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Question 1 of 7
Assertion (A): The same data can look more or less dramatic when the vertical scale changes.
Reason (R): A narrower displayed vertical range uses more plot height for the same numerical change.
Select an option to see the answer, or skip this question.
Question 2 of 7
Assertion (A): A column graph is always clearer than a line graph for a time series with many closely spaced observations.
Reason (R): A line graph can reveal the overall pattern without requiring a separate heavy column for every time point.
Select an option to see the answer, or skip this question.
Question 3 of 7
Assertion (A): If one person loses 2 kg and two people gain 1 kg each, the group mean is unchanged.
Reason (R): The group's median must also remain unchanged because the total change is zero.
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Question 4 of 7
Assertion (A): Multiplying every value by 5 multiplies the mean by 5.
Reason (R): The median of 2, 6 and 10 is 6.
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Question 5 of 7
Assertion (A): Four stacked dots above 2 represent four observations equal to 2.
Reason (R): In a dot plot, each dot represents one observation and its horizontal position gives the value.
Beginning of the cycling-frequency dot plotThree dots are stacked at 0, one at 1, and four at 2.01234
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Question 6 of 7
Assertion (A): The mean of every pair of odd numbers is odd.
Reason (R): The mean of 3 and 5 is 4.
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Question 7 of 7
Assertion (A): Two data sets can have the same mean but very different spreads.
Reason (R): Two data sets with the same mean may also have different medians.
Select an option to see the answer, or skip this question.

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This Assertion Reasoning Quiz covers Tales by Dots and Lines - Chapter 5 Class 8 (Ganita Prakash II) for Class 8 · Maths · CBSE. Practise the questions in the interactive quiz and check your answers.

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