MATH: statistic/ probablity - need help with 4-22 (#a-h) related questions - ple

Question

MATH: statistic/ probablity
- need help with 4-22 (#a-h) related questions
- please explain answers to each questions
- thank you

Sometimes what you know about relationships can help you predict what look like when it is graphed. For each situation below: which statement " Look at the scatterplots and use your experience to decide w fits each scatterplot ecide if there is a relationship between the data, that is changes, does the other change in a predictable , as one q . D If there is a relationship, describe it in a se If there is no relationship, explain why you think so. . iv. How fast a dog can run and the length of the dog's fur A person's age and their body temperature. A child's age and the size of his or her feet. Outdoor temperature and the percent of people wearing long sleeve shirts.

Explanation / Answer

1) There is no relation between the length of fur and speed of a dog but there is some effect of other variable as air.

So correct choice is look like the (iii).

2) As age increases the body temperature decreases this is from the research on it and so correct graph is look like (ii).

3) Since the age increases the feet of child also increases so there are positive correlation ( i)

4) As outdoor temperature decreases the number of people wearing long sleeve shirt increases so there is negative correlation (ii)

5) on equator temperature is maximum and it is minimum on the poles so that there is negative relation between them (ii)

6) In the traffic jam situation there is not much effect weight of the car and speed so there is no correlation (iii)

7) there is no direct relation between number of pets and grade of students. Because there are other factors as IQ of students, number of study hours, (iii)

8) Generally the home with rich cost have higher value car. So there is positive correlation (i).

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