For each of the scatterplots shown, answer the following questions. Scatterplot

Question

For each of the scatterplots shown, answer the following questions.

Scatterplot 1

Scatterplot 2

Scatterplot 3

Scatterplot 4

(a)

In scatterplot 1, does there appear to be a relationship between x and y?

There appears to be a relationship in scatterplot 1.There does not appear to be a relationship in scatterplot 1.    

In scatterplot 2, does there appear to be a relationship between x and y?

There appears to be a relationship in scatterplot 2.There does not appear to be a relationship in scatterplot 2.    

In scatterplot 3, does there appear to be a relationship between x and y?

There appears to be a relationship in scatterplot 3.There does not appear to be a relationship in scatterplot 3.    

In scatterplot 4, does there appear to be a relationship between x and y?

There appears to be a relationship in scatterplot 4.There does not appear to be a relationship in scatterplot 4.    

(b)

If there appears to be a relationship in scatterplot 1, does the relationship appear to be linear?

The relationship in scatterplot 1 appears to be linear.The relationship in scatterplot 1 does not appear to be linear.    There does not appear to be a relationship in scatterplot 1.

If there appears to be a relationship in scatterplot 2, does the relationship appear to be linear?

The relationship in scatterplot 2 appears to be linear.The relationship in scatterplot 2 does not appear to be linear.    There does not appear to be a relationship in scatterplot 2.

If there appears to be a relationship in scatterplot 3, does the relationship appear to be linear?

The relationship in scatterplot 3 appears to be linear.The relationship in scatterplot 3 does not appear to be linear.    There does not appear to be a relationship in scatterplot 3.

If there appears to be a relationship in scatterplot 4, does the relationship appear to be linear?

The relationship in scatterplot 4 appears to be linear.The relationship in scatterplot 4 does not appear to be linear.    There does not appear to be a relationship in scatterplot 4.

(c)

If there appears to be a relationship in scatterplot 1, would you describe the linear relationship as positive or negative?

The linear relationship in scatterplot 1 appears to be positive.The linear relationship in scatterplot 1 appears to be negative.    There does not appear to be a linear relationship in scatterplot 1.

If there appears to be a relationship in scatterplot 2, would you describe the linear relationship as positive or negative?

The linear relationship in scatterplot 2 appears to be positive.The linear relationship in scatterplot 2 appears to be negative.    There does not appear to be a linear relationship in scatterplot 2.

If there appears to be a relationship in scatterplot 3, would you describe the linear relationship as positive or negative?

The linear relationship in scatterplot 3 appears to be positive.The linear relationship in scatterplot 3 appears to be negative.    There does not appear to be a linear relationship in scatterplot 3.

If there appears to be a relationship in scatterplot 4, would you describe the linear relationship as positive or negative?

The linear relationship in scatterplot 4 appears to be positive.The linear relationship in scatterplot 4 appears to be negative.    There does not appear to be a linear relationship in scatterplot 4.

Explanation / Answer

(a) 1. There appeard to be any relationship in scatter plot 1.

2. There doesn’t appear to be a relationship in scatter plot 2.

Note: as we cannot draw any line or curve with these points

3. There appears to be a relationship in scatter plot 3.

4. There appears to be a relationship in scatter plot 4.

(b) 1. The relationship in scatter plot appears to be linear

2. No relationship

3. The relationship in scatter plot 3 doesn’t appear to be linear

4. The relationship in scatter plot 4 appears to be linear

(C) 1. The linear relationship in scatter plot 1 appears to be positive

Note: as x increases y increases

2. There doesn’t appear to be a relationship in scatter plot 2

3. Thete doesnot appear to be a linear relationship in scatter plot 3.

4. The linear relationship in scatter plot 4 appears to be negative

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