Mathematics
Grade-8
Easy
Question
The following graph shows ______________ type of association.
- Negative
- No association
- Positive
- Can't say
Hint:
A scatter diagram represents relationship between 2 variables (shown on x-axis and y-axis).
If the change in dependent variable i.e. y coordinates is in trend (i.e. shows common relation or behavior), either positive or negative, the points on the graph would also show a pattern i.e. either positive (upward) or negative (downward).
However, if the points on the scatter diagram is scattered throughout the graph area, without any common trend noticed, such graph is said to be representing 'no association'.
The correct answer is: No association
GIVEN-
Scatter diagram representing relationship between 'x-variable' and 'y-variable'.
TO FIND-
Nature of association shown by the given graph.
SOLUTION-
From the given graph, we observe that the points show no common trend or pattern of movement i.e. they are scattered throughout the graph area.
Hence, the given graph shows 'No association' between the given variables.
FINAL ANSWER-
Option 'b' i.e. 'No association' is the correct answer to the given question.
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