Algebra 1 5-7 Complete Lesson: Scatter Plots and Trend Lines
By Matt Richardson
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Last updated almost 3 years ago
27 Questions
Note from the author:
A complete formative lesson with embedded slideshow, mini lecture screencasts, checks for understanding, practice items, mixed review, and reflection. I create these assignments to supplement each lesson of Pearson's Common Core Edition Algebra 1, Algebra 2, and Geometry courses. See also mathquest.net and twitter.com/mathquestEDU.
10 points
10
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?
F.LE.5
10 points
10
Question 2
2.
Solve It! Predict the number of CDs sold and the number of albums downloaded in 2010. Explain your reasoning.
S.ID.7
F.LE.5
10 points
10
Question 3
3.
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.
N.Q.1
10 points
10
Question 4
4.
Problem 1 Got It? What type of relationship does the scatter plot you created in the previous item show?
S.ID.7
10 points
10
10 points
10
Question 6
6.
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.
N.Q.1
S.ID.6.a
S.ID.6.c
10 points
10
Question 7
7.
Problem 2 Got It? Use the trend line you drew in the previous item to predict the approximate body length of a 7-month-old panda.
S.ID.6.a
F.LE.5
10 points
10
Question 8
8.
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 points
10
Question 9
9.
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?
S.ID.6.a
S.ID.7
F.LE.5
10 points
10
Question 10
10.
Problem 4 Got It? In the following situation, is there likely to be a correlation? If so, does the correlation reflect a causal relationship? Explain.
the cost of a family's vacation and the size of their house
S.ID.7
S.ID.9
10 points
10
Question 11
11.
Problem 4 Got It? In the following situation, is there likely to be a correlation? If so, does the correlation reflect a causal relationship? Explain.
the time spent exercising and the number of Calories burned
S.ID.7
S.ID.9
20 points
20
Question 12
12.
Make a scatter plot of the data, draw an appropriate trend line, and write the equation of the trend line.
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.
N.Q.1
S.ID.6.a
S.ID.6.c
10 points
10
Question 13
13.
Consider your scatter plot and the data in the previous item. What type of relationship is shown?
S.ID.6.a
S.ID.7
10 points
10
Question 14
14.
Consider your scatter plot and the data once more. Predict the average maximum daily temperature in January at a latitude of 50° N.
Choose the most reasonable prediction.
S.ID.6.a
F.LE.5
10 points
10
Question 15
15.
Vocabulary: Given a set of data pairs, how would you decide whether to use interpolation or extrapolation to find a certain value?
10 points
10
Question 16
16.
Compare and Contrast How are a trend line and the line of best fit for a set of data pairs similar? How are they different?
10 points
10
10 points
10
Question 18
18.
Review Lesson 5-6: Write an equation of the line in slope-intercept form that passes through the given point and is parallel to the graph of the given equation.
10 points
10
Question 19
19.
Review Lesson 5-6: Write an equation of the line in slope-intercept form that passes through the given point and is parallel to the graph of the given equation.
5 points
5
Question 20
20.
Review Lesson 1-5: Find the absolute value.
Enter only a number.
5 points
5
Question 21
21.
Review Lesson 1-5: Find the absolute value.
Enter only a number.
5 points
5
Question 22
22.
Review Lesson 1-5: Find the absolute value.
Enter only a number.
5 points
5
Question 23
23.
Review Lesson 1-5: Find the absolute value.
Enter only a number.
10 points
10
Question 24
24.
Vocabulary Review: A scatter plot is a graph that relates two sets of data. Plot each ordered pair on the graph on the canvas to make a scatter plot.
10 points
10
Question 25
25.
Use Your Vocabulary: Identify the correlation shown in each scatter plot above.
positive correlation
negative correlation
no correlation
Scatter Plot A
Scatter Plot B
Scatter Plot C
100 points
100
Question 26
26.
Notes: Take a clear picture or screenshot of your Cornell notes for this lesson. Upload it to the canvas. Zoom and pan as needed.
For a refresher on the Cornell note-taking system, click here.
