Algebra Lesson 3-6 Quiz v2
By Sam Schneider
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Last updated about 1 year ago
5 Questions
1 point
1
Question 1
1.
The screenshot shows a data table and a linear regression for the data. What type of correlation does the correlation coefficient indicate?
The screenshot shows a data table and a linear regression for the data. What type of correlation does the correlation coefficient indicate?
1 point
1
Question 2
2.
The screenshot below shows a linear regression. Write the equation for the line of best fit for the data. Round values to the nearest tenth.
The screenshot below shows a linear regression. Write the equation for the line of best fit for the data. Round values to the nearest tenth.
1 point
1
Question 3
3.
Which of the following statements are true about a model with the following residual plot? Select all that apply.
Which of the following statements are true about a model with the following residual plot? Select all that apply.
1 point
1
Question 4
4.
Emmy calculates a line of best fit from a data set with x-values between -15 and 11. When she uses the linear equation from her regression to predict a theoretical y-value when x=100, this is an example of
Emmy calculates a line of best fit from a data set with x-values between -15 and 11. When she uses the linear equation from her regression to predict a theoretical y-value when x=100, this is an example of
1 point
1
Question 5
5.
Between 1970 and 1985, the number of breeding pairs of white storks in Lower Saxony dropped. Over the same period, the birth rate there also fell. Meanwhile, stork numbers increased in Berlin’s suburbs, where doctors delivered more babies.
This scenario is an example of
Between 1970 and 1985, the number of breeding pairs of white storks in Lower Saxony dropped. Over the same period, the birth rate there also fell. Meanwhile, stork numbers increased in Berlin’s suburbs, where doctors delivered more babies.
This scenario is an example of