Question

# By completing scatter plots for each of the following data sets, describe the correlation between x and y as positive, negative or none.

Hint:

### A scatter plot has points that show the relationship between two sets of data. If the points in a scatter plot are widely spread, we may not be able to describe the correlation among the variables.

We are asked to graph the scatter plot and find whether the correlation is positive, negative or none.

## The correct answer is:

### Step 1 of 2:

The coordinate points corresponding to the table values are:

(28,13),(32,25),(16,22),(19,21),(21,16),(24,9),(27,19),(25,25),(30,15),(18,12)

The scatter plot based on the set of points is:

Step 2 of 2:

Analyzing the graph, it is clear that the points are scattered around. It is not possible to drawn a trend line. If we could draw one, it might not describe the actual behavior of the values.

Thus, we can say that there is no correlation among the variable x and y.

It necessary for every scatter plot to have a trend line.

### Related Questions to study

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### Consider this simple bivariate data set

a)Draw a scatter plot for the data

b)Describe the correlation between x and y as positive or negative.

c)Describe the correlation between x and y as strong or weak.

d)Identify any outliers.

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d)Identify any outliers.

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### By completing scatter plots for each of the following data sets, describe the correlation between x and y as positive, negative or none.

We could possible draw numerous trends for a line. But the main purpose is to describe the pattern of the values from the line. So, it is necessary to choose the best fit for the set of values.

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### Consider this simple bivariate data set. Draw a scatter plot for the data.

a)Describe the correlation between x and y as positive or negative .

b)Describe the correlation between x and y as strong or weak.

c)Identify any outliers.

### Consider this simple bivariate data set. Draw a scatter plot for the data.

a)Describe the correlation between x and y as positive or negative .

b)Describe the correlation between x and y as strong or weak.

c)Identify any outliers.

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a) Draw a scatter plot for the data

b) Describe the correlation between x and y as positive or negative.

c) Describe the correlation between x and y as strong or weak.

d) Identify any outliers.

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a) Draw a scatter plot for the data

b) Describe the correlation between x and y as positive or negative.

c) Describe the correlation between x and y as strong or weak.

d) Identify any outliers.

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