which of the following graphs shows a negative linear relationship with a correlation coefficient, r, close to -0.5.
1 answer:
Answer:
In the graph attached there is a sample generated with a correlation coefficient r=-0.5.
Step-by-step explanation:
A value of r that is -0.5 shows that there is a certain correlation and that this correlation is negative.
As there are no examples in this question, I searched for a generator of random samples with a user-input correlation coefficient between the two variables.
In the graph attached there is a sample generated with a correlation coefficient r=-0.5.
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Answer:
Option b.
Step-by-step explanation:
Consider the below figure attached with this question.
A computer program selects blue,red,green as the background color each time the program is used.
Blue background = 12 times
Red background = 21 times
Green background = (45-12-21) times = 12 times
Blue background = Green background
Red background ≠ Green background
Green is just as likely as blue to appear, but not as likely as red.
Therefore, the correct option is b.
