Which statement describes the relationship between the data sets displayed on the scatterplot?

There is no relationship between the number of pets owned by a student and the student’s science test score.

The number of pets owned by a student increases as the student’s science test score increases.

The number of pets owned by a student decreases as the student’s science test score increases.

The number of pets owned by a student remains the same as the student’s science test score increases.

The graph shows the sales at an ice cream shop. Which statement is supported by the data in the graph?

Lower priced items have higher numbers of sales.

Higher priced items have higher numbers of sales.

Customers will not pay more than $3.50 for ice cream.

The price does not affect the number of sales of ice cream products.

Which statement is true about the scatter plots?

Graph 1 shows a negative correlation, and Graph 2 shows a positive correlation.

Graph 1 shows a strong relationship, and Graph 2 shows a weak relationship.

Graph 2 shows a strong relationship, and Graph 1 shows a weak relationship

Graph 2 shows a negative correlation, and Graph 1 shows a positive correlation.

The scatterplot shows the amount of time played and the number of points scored by ten basketball players during their last four games. Which conclusion best describes the data?

There is no correlation between the time played and the number of points scored.

The players who scored the most points played the longest.

There is a positive correlation between time played and the number of points scored.

There is a negative correlation between time played and the number of points scored.

The scatterplot below shows the relationship between the number of hours a person exercises and the time it takes to drive to work. Which conclusion does the data most strongly support?

The time it takes to drive to work is not related to the number of hours exercising.

The time it takes to drive to work decreases as the number of hours exercising increases.

The time it takes to drive to work increases as the number of hours exercising increases.

The time it takes to drive to work stays the same as the number of hours exercising increases.

Mr. Vail surveyed 10 of his students to find the amounts of time they spent watching television (TV) and the amounts of time they spent online last week. For each activity, he ranked the students using the numbers 1 to 10 to represent the rank order from least amount of time to greatest amount of time spent on the activity. The scatter plot below shows Mr. Vail’s results. Which statement best describes the relationship represented by the scatterplot?

No student had the same ranking for online hours and television hours.

Megan has a baseball card collection containing 10 cards. She graphed the value of these 10 cards on a scatterplot as shown. Which conclusion is best supported by the data?

A baseball card generally increases in value over time.

A baseball card always increases in value over time.

If Megan bought a two-year-old baseball card, its value would be about $1.25.

If Megan bought an eight-year-old baseball card, its value would be about $5.00.

Which situation would most likely have a negative correlation?

the amount of time a candle is burned and the height of the candle

the amount of study time and the score on a test

the amount of time a heater is on and the temperature of the room

All of the above have a negative correlation

When graphed on a scatterplot, which set of data would most likely show a positive correlation?

amount of income earned and years of education

shoe size and weight of a person

day of the week and temperature

cost to heat a house and outside temperature

When graphed on a scatterplot, which situation would most likely show a positive correlation?

a person’s height versus eye color

a person’s height versus number of pets owned

Which situation would most likely have a scatterplot with a negative correlation?

number of questions missed on a test and test grade

age of a baby and weight of that baby

outside temperature and cooling costs

amount of air in a balloon and size of balloon

Constructing Scatterplots Review

Authored by Barbara White

Mathematics

8th Grade

CCSS covered

Used 2+ times

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31 questions

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MULTIPLE CHOICE QUESTION

1 min • 1 pt

When x=6, which number is closest to the value of y on the line of best fit in the graph below?

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which equation is closest to the line of best fit in the graph below?

y= 0.9x + 3

y= 0.7x + 6

y= 0.8x + 5

y= 13

Which equation represents a line of best fit for this graph?

y= x

y= 2x

y= -x - 2

y= 2x + 2

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The line of best fit was calculated for the following scatter plot. Which equation best represents the line of best fit?

y= x/3

y= x/2

y= 3x

y= 2x

Hubert has a record of his heights from first grade through seventh grade. He constructed a scatter plot and line of best fit to show his height at each grade level. Which equation is most likely to represent the line of best fit?

y= (1/41)x + (1/3)

y= 41x + 3

y= (1/3)x + 41

y= 3x +41

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The graph below shows the value of a computer given the age of the computer. Which equation would best fit the data?

y= -250x + 2000

y= 250x + 2000

y= -250x - 2000

y= 2000x - 250

The table shows the age and value of a vehicle over several years. Which equation would best fit the data?

y= -1500x + 20000

y= 1500x + 20000

y= -2000x + 22000

y= 2000x + 22200

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Constructing Scatterplots Review

When x=6, which number is closest to the value of y on the line of best fit in the graph below?

Which equation is closest to the line of best fit in the graph below?

Which equation represents a line of best fit for this graph?

The line of best fit was calculated for the following scatter plot. Which equation best represents the line of best fit?

Hubert has a record of his heights from first grade through seventh grade. He constructed a scatter plot and line of best fit to show his height at each grade level. Which equation is most likely to represent the line of best fit?

The graph below shows the value of a computer given the age of the computer. Which equation would best fit the data?

The table shows the age and value of a vehicle over several years. Which equation would best fit the data?

Which statement describes the relationship between the data sets displayed on the scatterplot?

Mrs. Patillo wanted to know whether there was a relationship between two sets of her students’ test scores. The scatterplot below shows the scores of her students. Which statement best describes the relationship?

The graph shows the sales at an ice cream shop. Which statement is supported by the data in the graph?

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