Linear Regression Questions
Quiz by Gina Vifquain
Feel free to use or edit a copy
includes Teacher and Student dashboards
Measure skillsfrom any curriculum
Measure skills
from any curriculum
Tag the questions with any skills you have. Your dashboard will track each student's mastery of each skill.
With a free account, teachers can
- edit the questions
- save a copy for later
- start a class game
- automatically assign follow-up activities based on students’ scores
- assign as homework
- share a link with colleagues
- print as a bubble sheet
10 questions
Show answers
- Q1What is the name of the process used to fine the "line of best fit"?extrapolationinterpolationregressioncorrelation20s
- Q2Which is the best prediction for the correlation coefficient?r = -0.8r = -0.3r = 0.8r = -120s
- Q3What term is used when making predictions beyond the values given for x?correlationextrapolationregressioninterpolation20s
- Q4From the graph, what is the predicted weight of someone who is 50 inches tall?108 pounds14 pounds130 pounds94 pounds30s
- Q5If the linear model is appropriate, what should you see in the residual plot?a patternno pattern10s
- Q6Fill in the blank: R-squared is the percent of _______ that is accounted for by the linear model.datacorrelationstandard deviationvariation20s
- Q7If an x is 1.5 SD's above average, what would you predict for the value of y?1.5 SD's below average1.5r SD's above average1.5r SD's below average1.5 SD's above average20s
- Q8How do you find a residual?actual - predictedpredicted - actualuse LinReg in the calculator20s
- Q9For the linear equation: price = 0.50(year) + 1.25, what does the slope tell us?The years went up by 0.50 per priceThe initial price is 1.25The price went up 1.25 per yearThe price went up 0.50 per year20s
- Q10For the linear model y = -2.5x + 12, if r-squared is 86%, what is the correlation coefficient?-0.86-0.930.939.330s
