One yard of a ribbon costs 3 1/2 dollars. How much should one pay for: 2 yards?
2 answers:
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Answer:
Step-by-step explanation:
simplify by putting the negative sign on the outside.
find the LCM of the denominators. It is (x-1)(x-2). Multiply by the LCM:
Simplify:
solve:
Answer:
The scatter diagram that contains the correlation coefficient closest to r = 1 is the first one shown in the attached images.
Step-by-step explanation:
The correlation coefficient "r" measures how much two variables x and y are related. When the variables are highly related, the value of r is closer to one and the points contained in the scatter diagrams are assimilated more and more to a line. When the value of r is positive the relation is crescent and therefore the slope of the line drawn by the points in the diagram has a positive slope
Therefore, to answer this question, one must search among the attached images for the dispersion diagram in which the points resemble a straight line with a positive slope.
The scatter diagram that meets the requirements mentioned is the first one that appears in the attached images
