Algebra 1 5-7 Guided Practice: Scatter Plots and Trend Lines
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Last updated about 4 years ago
24 questions
10
N.Q.1
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S.ID.7
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N.Q.1
S.ID.6.a
S.ID.6.c
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F.LE.5
S.ID.6.a
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S.ID.7
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Question 1
1.
Solve It! The table shows the number of digital albums downloaded per year and the number of CDs sold by manufacturers per year. What relationship exists between the two sets of data? In other words, as the number of downloads increases, is there a predictable change in the other?
F.LE.5
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F.LE.5
S.ID.7
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Question 3
3.
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Question 7
7.
Problem 1 Got It? Make a scatter plot of the data in the table.
Be sure to include relevant graph detail: label axes, indicate units and scale on both axes, and use arrows to represent end behavior, as appropriate.
Question 8
8.
Question 9
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Question 10
10.
Take Note: What is a trend line ? You may use the canvas to help illustrate your written response.
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Question 13
13.
Problem 2 Got It? Make a scatter plot of the data in the table. Draw a trend line and write its equation.
Be sure to include relevant graph detail: label axes, indicate units and scale on both axes, and use arrows to represent end behavior, as appropriate.
Question 14
14.
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Question 19
19.
Problem 3 Got It? Use the equation of the line of best fit from Problem 3 to predict the cost of attending in the 2016-2017 academic year. You may use the embedded Desmos 4-function calculator above.
Include a dollar sign and round your answer to the nearest whole dollar.
S.ID.6.a
10
F.LE.5
S.ID.6.a
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Question 21
21.
Take Note: What is causation ?
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Question 23
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Question 24
24.
Take Note: Summarize the mathematical content of this lesson. What topics, ideas, and vocabulary were introduced?
Question 2
2.
Solve It! Predict the number of CDs sold and the number of albums downloaded in 2010. Explain your reasoning.
Take Note: What is a scatter plot ? You may use the canvas to help illustrate your written response.
Question 4
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Take Note: What is a positive correlation ? Name two real-life quantities that are positively correlated.
Question 5
5.
Take Note: What is a negative correlation ? Name two real-life quantities that are negatively correlated.
Question 6
6.
Take Note: What does it mean if two quantities have no correlation ? Name two real-life quantities that have little or no correlation.
Problem 1 Got It? What type of relationship does the scatter plot you created in the previous item show?
positive correlation
no correlation
negative correlation
Problem 1 Got It? Reasoning: Consider the population of a city and the number of letters in the name of the city. Would you expect a positive correlation, a negative correlation, or no correlation between the two sets of data?
No correlation
Positive correlation
Negative correlation
Question 11
11.
Take Note: What is interpolation ? You may use the canvas to help illustrate your written response.
Question 12
12.
Take Note: What is extrapolation ? You may use the canvas to help illustrate your written response.
Problem 2 Got It? Using the trend line you drew in the previous item, respond to each item on the right with the correct item from the left.
About 21.8 in.
About 24.4 in.
About 29.1 in.
About 34.2 in.
interpolation
extrapolation
Predict the approximate body length of a 7-month-old panda.
Since 7 months is within the given data set, this prediction is an example of _______.
Question 15
15.
Take Note: Define line of best fit. You may use the canvas to help illustrate your written response.
Question 16
16.
Take Note: What is a correlation coefficient ? You may use the canvas to help illustrate your written response.
Question 17
17.
Take Note: What does it mean if the correlation coefficient of a data set is close to 1? You may use the canvas to help illustrate your written response.
Question 18
18.
Take Note: What does it mean if the correlation coefficient of a data set is close to 0? You may use the canvas to help illustrate your written response.
Question 20
20.
Problem 3 Got It?Reasoning: What does the slope of the line of best fit in Problem 3 tell you about the rate of change in the cost?
Question 22
22.
Take Note: Describe a real-life example in which a change in one quanitity causes a change in another quantity.
Problem 4 Got It? Consider the situations in the left column below. Categorize each situation appropriately. Some situations belong in two categories.
the color of a person's socks and the amount of time she spends playing checkers
the time spent exercising and the number of Calories burned
the cost of a family's vacation and the size of their house
