Compare the panel (a), (b) and (c). Suppose these figures were made by four inde

Question

Compare the panel (a), (b) and (c). Suppose these figures were made by four independent groups. They all measured the same X and Y using the same apparatus. If the slope of the best fit line shown in these figures are (a) +0.00011 (b) -0.00015 and (c) -0.000004. You would conclude 1. X and Y have a linear relationship, consistently shown in all the four cases. O2.X and Y are likely dependent of each and are correlated. 3. X and Y are likely independent of each other and are not correlated. 4. X and Y have a linear relationship, but could have either positive or negative slope. LI R

Explanation / Answer

ANSWER-

Here it is not clear whether X and Y are independed or correlated to each other.

X and Y has linear relationship since the data are fitted by line. Here we are not confirm about the slope of line. a has positive slope while b and c has negative slope. Hence option 4 is correct.

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