Question

Ramu said “the positions of (5, -8) and (-8, 5) is same ? Justify your answer

Answer 1

Answer:

Yes because if we write 5 first or we are writing -8 first it doesn't matter

Answer 2

$\\\;{\underline{\sf{RIGHT\; QUESTION}}}$

Ramu said “the positions of (5, -8) and (-8, 5) is same ? Justify your answer

${\underline{ \mathtt{\red{A} \green{N}\mathtt\blue{S} \purple{W} \mathtt \orange{E}\pink{R}}}}\:$

Yes because if we write 5 first or we are writing -8 first there will be no diffrence

• → The statement is not true. The reason is that when we calculated mean of a grouped data, it is assumed that frequency of each class is centred at the mid-point of the class. Because of this, two values of the mean,

namely, those from ungrouped and grouped data are rarely the same.

@${\underline{ \mathtt{\red{P} \green{I}\mathtt\blue{X} \purple{L} \mathtt \orange{E}\pink{Y}}}}\:$${\underline{ \mathtt{\red{P} \green{A}\mathtt\blue{N} \purple{D} \mathtt \orange{A}\pink{}}}}\:$