Answer: r = -0.64
Step-by-step explanation:
The correlation coefficient is a measure of the strength of the linear relationship between two variables and is denoted by r. Values between 0.3 and 0.7 indicate a moderate positive (negative) linear relationship .
Values between -0.3 and -0.7 indicate a moderate negative linear relationship .
The only value of r in the option is r= -0.64 lies in given interval of moderate negative linear relationship .
Therefore, c is the right answer.
I think the group 2 survey is likely to be biased towards people who are not too keen on zoos since all the values are small.
From group 1 and 3 the mean number of visits are
(4 + 10 + 6 + 3 + 8 + 7 + 9 + 3 + 4 + 7) / 10
= 61/10
mean = 6
Im pretty sure the answer is p /2 - w =1 if this isnt the answer you can try a math site that explains all the rules to the problem
Henry Bartholomew Dinglenut Anderson Quanlingling Dingleberry after eating 300000 cookies will have: (A). DIabetes
<h3>Meaning of Diabetes</h3>
Diabetes can be defined as a deadly disease that occurs due to the failure of the pancreas to produce insulin that is enough for the body or when the body is unable to put to use all the insulin it produces.
Insulin is a hormone that regulates sugar in the blood.
In conclusion, diabetes is a state of a body that has too much of sugar present in its blood.
Lean more about diabetes: brainly.com/question/864309
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Answer:
Step-by-step explanation:
A+C=38,000
8A+5C=257,125
