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Worksheetsscatterplots, trend lines, and expo vs linear
Total questions: 170
Worksheet time: 6hrs 2mins
Name the correlation in this graph
Positive correlation
Negative correlation
No correlation
Lots of correlation
Describe the association for the graph.
Linear and Positive
Linear and Negative
Non-Linear and Negative
Non-Linear and Positive
Non-Linear and No Association
The scatter plot shows the relationship between the number of chapters and the total number of pages for several books. Use the trend line to predict how many pages would be in a book with 19 chapters.
150 pages
170 pages
190 pages
210 pages
Determine the line of best fit for the data shown.
y = −10.63x−3.80
y=3.88x−10.63
y=3.87x+0.90
y=3.88x−11
The table shows the attendance at a flag football game for the first 8 games of the season. What is the correlation of the data?
Strong Positive
Strong negative
Weak Postive
Weak Negative
No correlation
The table shows the lengths and corresponding ideal weights of sand sharks. Which r-value is more accurate for the data?
r = 0.99
r = -0.90
r = 0.09
r = -0.099
If the correlation coefficient, r, of a data set is r = 0. 32. What type of correlation does the data have?
Strong Positive
Strong negative
Weak Postive
Weak Negative
No correlation
If the correlation coefficient, r, of a data set is r = -0.95. What type of correlation does the data have?
Strong Positive
Strong negative
Weak Postive
Weak Negative
No correlation
In the scatter plot, does the image show a proper "Line of Best Fit"?
In the scatter plot, does the image show a proper "Line of Best Fit"?
In the scatter plot, does the image show a proper "Line of Best Fit"?
In the scatter plot, does the image show a proper "Line of Best Fit"?
In the scatter plot, does the image show a proper "Line of Best Fit"?
Describe the correlation coefficient if
r = 0.90
Positive, weak
Positive, strong
Negative, weak
Negative, strong
Describe the correlation, if the correlation coefficient is r = -0.26
Positive, weak
Negative, weak
Positive, strong
Negative, strong
Describe the correlation:
r = -0.98
Strong positive
Weak positive
Strong negative
Weak negative
Estimate the correlation coefficient.
r is close to zero
r is close to -1
r is close to 1
r is close to -1.5
r is close to 1.5
Estimate the correlation coefficient.
r is close to 1
r is close to -1
r is close to 0
r is close to -0.5
r is close to 0.5
Estimate the correlation coefficient
r = 1
r = -1
r ≈ -0.8
r ≈ 0.8
r ≈ -0.5
Is this line an accurate line estimate of best fit for the data?
Yes
No
Is this line an accurate line estimate of best fit for the data?
Yes
No
Name the association.
Name the association.
Mean touchdown passes = 15
Randy had 20 touchdown passes.
What is his deviation from the mean?
Mean touchdown passes = 13
Randy had 5 touchdown passes.
What is his deviation from the mean?
Mean test scores = 79
Josh scored a 71.
What is his deviation from the mean?
Linear Functions grow...
additively
multiplicativity
Exponential Functions grow...
additively
multiplicativity
Linear functions grow by equal _______ over equal intervals.
differences
factors
Exponential functions grow by equal _______ over equal intervals.
differences
factors
Exponential functions grow by a constant _______.
percent rate
rate
A botanist compares the height of a type of plant in two different growing areas. The results are shown in the table.
Select TWO true statements for Area 1 and Area 2
Area 1 is exponential and Area 2 is linear
Area 1 is linear and Area 2 is exponential
Area 1 grows by a constant percent rate and Area 2 grows by a constant rate
Area 1 grows by a constant rate and Area 2 grows by a constant percent rate
The table shows the the value of a stock that is increasing.
What's true about the table?
The table is growing by equal factors over equal intervals therefore it is a linear function
The table is growing by equal differences over equal intervals therefore it is an exponential function
The table is growing by equal factors over equal intervals therefore it is an exponential function
The table is growing by equal differences over equal intervals therefore it is a linear function
Which table is growing by a fixed percent rate?
Table A because it is exponential
Table A because it is linear
Table B because it is exponential
Table B because it is linear
Click all the situations that are exponential
A vine grows 6 inches per week.
The value of a car depreciates at a rate of 15% per year after it is purchased.
A species of fly doubles its population every month during the summer.
A water tank is filled at a rate of 3 gallons per hour.
The concentration of medicine in a person's body that decays by a factor of one-third every hour.
The table shows the value of house, f(x), after x years. Which statement is true about the value of the house?
The value of the house is increasing by $3,850 each year
The value of the house is decreasing by $3,850 each year
The value of the house is decreasing by approximately 2.75% each year
The value of the house is increasing by approximately 2.75% each year
The table shows the height of a flower for five consecutive weeks after it was planted.
Which function represents the situation modeled in the table?
You have $10 and earn $5 every week.
You have $5 and triple your money every day.
Linear or Exponential?
Linear
Exponential
Linear or Exponential?
Linear
Exponential
Maggie is knitting blankets for the residents of a local nursing home. She already has 6 blankets completed. After one week, Kay has 8 blankets. After two weeks, Kay has 10 blankets. Kay's scenario is best represented by a _______________ function.
Linear
Quadratic
Exponential
None of the above
David invests $400 in an account that earns 1.5% compound interest. What equation represents the money he will earn in his account each year?
y=400(0.985)x
y=400(0.015)x+400
y=400(1.5)x
y=400(1.015)x
Linear or Exponential?
Linear
Exponential
Linear or Exponential?
Linear
Exponential
In the first year of an annual 5K run there were 120 participants. In the 2nd and 3rd year of the 5K run, there were 180 and 270 participants respectively. This situation is best modeled by a(n) ________________ function.
linear
quadratic
exponential
none of the above
Is this function Linear or Exponential?
Linear
Exponential
Is this Linear or exponential growth?
Linear
Exponential
y= -3x + 12
y= 4x+1
Is this graph linear or exponential?
Linear
Exponential
Neither
Is this graph linear or exponential?
Linear
Exponential
Neither
Linear or Exponential?
Linear
Exponential
