Answers CMS 2025-2026 Foundations of Math 1 Credit RecoveryUnit Test

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During the spring and summer, a concession stand at a community Little League baseball game field sells soft drinks and other refreshments. To prepare for the season, the concession owner refers to the previous year’s files, in which he had recorded the daily soft drink sales (in gallons) and the average daily temperature (in degrees Fahrenheit). The data is shown in the table below. t, Temperature g, Soft Drink Sales (gal) 52 35 55 42 61 50 66 53 72 66 75 68 77 72 84 80 90 84 94 91 97 95 If the data points (t, g) are plotted on a graph, it will look like the following graph: Using the coordinates of two points (84, 80) and (74, 65), determine the slope of the line of best fit. a. The slope of the line is 1.5. b. The slope of the line is 15. c. The slope of the line is -10. d. The slope of the line is -15. Please select the best answer from the choices provided

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The table shows the number of flowers in four bouquets and the total cost of each bouquet.

–0.57

–0.28

0.28

0.57

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Which graph shows a negative correlation?

A graph with both axes unnumbered. Points show a steady trend.

A graph with both axes unnumbered. Points are scattered loosely in the top half of the graph.

A graph with both axes unnumbered. Points show a downward trend.

A graph with both axes unnumbered. Points are scattered loosely all Over graph.

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Which phrases describe the relationship between heart rate and daily intake of caffeine? Select two options.

negative correlation

increasing heart rate

constant correlation

positive correlation

decreasing heart rate

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Which graph shows data whose r-value is most likely closest to 1?

A graph shows both axes unnumbered. Points show a downward trend.

A graph shows both axes unnumbered. Points show an upward trend.

A graph shows both axes unnumbered. Points show a downward trend.

A graph shows both axes unnumbered. Points are scattered all over the graph.

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The table shows the number of calories in four meals and the cost of each meal.

a weak positive correlation

a strong positive correlation

a weak negative correlation

a strong negative correlation

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A 2-column table with 4 rows. The first column is labeled x with entries 0, 1, 4, 5. The second column is labeled y with entries 0, 1, 4, 5.

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Ms. Sutton recorded the word counts and scores of the top ten essays in a timed writing contest. The table shows her data.How does the word count of an essay relate to its score in the contest?

Word count tends to decrease as the score decreases.

Word count tends to increase as the score decreases.

Word count tends to remain constant as the score decreases.

Word count has no apparent relationship to the score of the essay.

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The table below shows the average SAT math scores from 1993-2002. Year SAT math scores 1993 503 1994 504 1995 506 1996 508 1997 511 1998 512 1999 511 2000 514 Using the data from the table, choose which set of axes and which set of ordered pairs you would use to plot the data. Graph A Graph B Set A (1993, 503), (1994, 504), (1995, 506), (1996, 508), (1997, 511), (1998, 512), (1999, 511), (2000, 514) Set B (503, 1993), (504, 1994), (506, 1995), (508, 1996), (511, 1997), (512, 1998), (511, 1999), (514, 2000) a. Graph B, Set A b. Graph B, Set B c. Graph A, Set A d. Graph A, Set B Please select the best answer from the choices provided

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Choose the correct statement about best-fit lines.a.A best-fit line is close to most of the data points.b.A best-fit line describes the exact coordinates of each point in the data set.c.A best-fit line always has a positive slope.d.A best-fit line must go through at least two of the data points.

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Ryan gathered data about the age of the different dogs in his neighborhood and the length of their tails.

It is a weak negative correlation, and it is not likely causal.

It is a weak negative correlation, and it is likely causal.

It is a strong negative correlation, and it is not likely causal.

It is a strong negative correlation, and it is likely causal.

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The table shows the time a patient spends at the dentist and the amount of the bill.

–0.93

–0.27

0.27

0.93

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How many variables are displayed in a scatterplot?

one along the x-axis, and one along the y-axis

one along the x-axis, and two along the y-axis

two along the x-axis, and one along the y-axis

two along the x-axis, and two along the y-axis

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Which r-value represents the weakest correlation?

–0.75

–0.27

0.11

0.54

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Which best describes the strength of a model with an r-value of 0.29?

a weak positive correlation

a strong positive correlation

a weak negative correlation

a strong negative correlation

Which graph shows data whose r-value is most likely closest to 0?

A graph shows both axes unnumbered. Points show a downward trend.

A graph shows both axes unnumbered. Points show an upward trend.

A graph shows both axes unnumbered. Points show a downward trend.

A graph shows both axes unnumbered. Points are scattered all over the graph.

A 2-column table with 4 rows. The first column is labeled x with entries 0, 5, 10, 15. The second column is labeled y with entries 15, 10, 5, 0.

-1

Kevin went fishing and is using a scatterplot to analyze the relationship between the weight of each of the fish he caught in pounds and in kilograms. He uses the weight in pounds as the independent variable and the weight in kilograms as the dependent variable. Which statement is correct?

The points on the scatterplot will go up from left to right because as the weight in pounds increases, the weight in kilograms increases.

The points on the scatterplot will go up from left to right because as the weight in pounds increases, the weight in kilograms decreases.

The points on the scatterplot will go down from left to right because as the weight in pounds increases, the weight in kilograms increases.

The points on the scatterplot will go down from left to right because as the weight in pounds increases, the weight in kilograms decreases.

The following scatter plot shows the billions of dollars spent by travelers in the United States since 1993. Write an equation for the line of best fit and then predict how much money travelers will spend in 2008. a. ; travelers will spend about $410 billion in the year 2008. b. ; travelers will spend about $350 billion in the year 2008. c. ; travelers will spend about $620 billion in the year 2008. d. ; travelers will spend about $680 billion in the year 2008. Please select the best answer from the choices provided

Which table of values was used to create the scatterplot below?

A 2-column table with 5 rows. Column 1 is labeled Day of Fund Drive with entries 1, 2, 3, 4, 5. Column 2 is labeled Money raised (dollars) with entries 200, 300, 400, 200, 300.

A 2-column table with 5 rows. Column 1 is labeled Day of Fund Drive with entries 1, 2, 3, 4, 5. Column 2 is labeled Money raised (dollars) with entries 200, 300, 200, 300, 400.

A 2-column table with 5 rows. Column 1 is labeled Day of Fund Drive with entries 1, 2, 3, 4, 5. Column 2 is labeled Money raised (dollars) with entries 200, 300, 200, 400, 300.

A 2-column table with 5 rows. Column 1 is labeled Day of Fund Drive with entries 1, 2, 3, 4, 5. Column 2 is labeled Money raised (dollars) with entries 200, 200, 300, 400, 300.

What is the name of the type of data that a scatterplot is used to analyze?

univariate data

bivariate data

trivariate data

quadvariate data

Which scatterplot correctly represents the table of values below?Number of years collecting stampsNumber of stamps in collection210051754150312541753100

A graph titled Years Collecting Stamps versus Stamps in Collection has years collecting stamps on the x-axis and stamps in collection on the y-axis. Points are at (2, 100), (3, 100), (3, 125), (4, 150), (4, 175), (5, 200).

A graph titled Years Collecting Stamps versus Stamps in Collection has years collecting stamps on the x-axis and stamps in collection on the y-axis. Points are at (2, 75), (3, 100), (3, 125), (4, 150), (4, 175), and (5, 175).

How many points should be plotted when creating a scatterplot from the table of values below?Pages in Book vs. Time Needed to ReadNumber of pages in bookTime needed to read book (hours)200181751527521225184003035026

A line that is used to represent the linear trend in the data is called the line of best fit. When finding the error of the line of best fit, which statement holds true?a.If the error is less than one, the line of best fit is the linear equation of the data.b.The smaller the error, the better the fit.c.If the error is greater than one, there is no correlation to the line of best fit.d.The larger the error, the better the fit.

Which r-value represents the most moderate correlation?

–0.92

–0.18

0.56

0.83

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