**Which Relationship Is Shown In The Graph** – 1) Scatter plot – a graph that shows the relationship between two sets of data. To make a scatter plot, plot the data as ordered pairs.

Presentation on theme: “1) A scatter plot is a graph that shows the relationship between two sets of data. To make a scatter plot, plot the data as ordered pairs.”— Presentation transcript:

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## Which Relationship Is Shown In The Graph

2 1) Scatter plot – a graph that shows the relationship between two sets of data. To make a scatter plot, plot the data as ordered pairs.

## Solved Hubble’s Law Is A Relationship Between Galaxy Speeds

3 2) Positive association (correlation) – when one set of values increases, the other set of data tends to increase.

4 3) Negative association (correlation) – when one set of values increases, the other set of dates tends to decrease.

15 6) Outliers are data points with values that are significantly different from other data points in the group.

16 Does the relationship shown in the graph exist? yes. There is a positive linear relationship in the graph. Describe the relationship described. As the temperature increases during the day, the number of visitors to the beach also increases. What does the point (88, 450) mean? At 88° there would be about 450 visitors on the beach.

## Directly / Inversely Proportional Graphs

17 Does the relationship shown in the graph exist? yes. There is a negative linear relationship in the graph. Describe the relationship described. As cars age, the value of the car tends to decrease. What does the point (10, 6) mean? A car that is 10 years old is worth $6,000.

18 Does the relationship shown in the graph exist? yes. There are no links in the chart. The glasses look random and scattered. Describe the relationship described. There is no correlation between shoe sizes and the colors of the rainbow.

19 Does the relationship shown in the graph exist? yes. There is a negative linear relationship in the graph. Describe the relationship described. When a person’s self-esteem decreases, depression usually increases.

20 Does the relationship shown in the graph exist? yes. There is no linear relationship in the graph. Describe the relationship described. There is no correlation between shoe size and IQ.

#### Which Is True About The Functional Relationship Shown In The Graph

21 Does the relationship shown in the graph exist? yes. There is a negative linear relationship in the graph. Describe the relationship described. As a person’s work experience increases, so does his income. What does the point (40, 78) mean? At age 40, the person’s income will be $78,000.

22 7) Line of best fit (trend line) – used when there is a linear relationship. They show the general trend of the data. There is usually no line that fits every data point exactly, but the line should be as close as possible to as many points in the scatterplot as possible.

23 7) The line of best fit (trend line) is most useful in predicting dates on scatterplots. How much money can there be at a temperature of 21°?

24 7) The line of best fit (trend line) is most useful when predicting a date on scatterplots. What would be the grade in the law exam if someone studied for 2 days? A person is likely to get about an 8 on the bar exam if he only studies for two days.

#### Elegant Six Page Proof Reveals The Emergence Of Random Structure

25 Does the trend line on the right show the correct trend line for the chart? No. This is not a very good trend line because it is only near the high points.

26 Does the trend line on the right show the correct trend line for the chart? No. This is not a very good trend line because it does not go through all the points on the chart.

27 Does the trend line on the right show the correct trend line for the chart? yes. This is a good trend line because it goes through all the points and is close to all the points.

28 Does the trend line on the right show the correct trend line for the chart? No. This is not a very good trend because it is only near the lows.

#### What Is True About The Functional Relationship Shown In The Graph

29 A is not a good line because it is closest to the top of all points. B is not a good line because it does not pass through all the points. C is a good line because it passes through all points and is close to many points. D is not a good line because it is closest to the end of all points.

30 What can be the salary of a person who works in company Z for 6 years?

31 7) The line of best fit (trend line) is most useful when predicting a date on scatterplots. Let’s say someone puts a 4-year-old car up for sale. Estimate the selling price. Step 1 – Draw a line of best fit to show the overall fit of the line. Step 2 – Use the string to predict the selling price of a 4-year-old car.

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#### What Is A Bar Graph?

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