Have an account?
Skip to Content
Build your own quiz
Suggestions for you
20 questions
Show Answers
See Preview
- 1. Multiple Choice
What is the correlation between length of running start and distance of jump?positive: the further you run the further you jumpnegative: the less you run the less distance of your jumppositive: the further your running start the less your distance - 2. Multiple ChoiceMake a prediction for a resting heart rate after 6 hours of exercise a week.6505559
- 3. Multiple ChoiceThe scatter plot below shows the number of books read by students in Mrs. Hall’s English class and their final grades. Which statement represents the best description about the line of best fit?The more books students read, the lower their English grade.The more books students read, the higher their English grade.The fewer books students read, the higher their English grade.No relationship exists between the number of books students read and their English grades.
- 4. Multiple ChoiceWhich scatter plot shows no relationship?Graph AGraph BGraph CGraph D
- 5. Multiple ChoiceDescribe the correlation in the graph shown.Strong NegativeStrong PositiveWeak NegativeWeak Positive
- 6. Multiple ChoiceThe linear regression equation for the data is y = 1.5x + 12. Interpret the slope of the equation.The slope is (0, 1.5). It means that a pizza with 0 toppings will cost $1.50.The slope is 1.5. It means that it costs $1.50 per topping.There are 1.5 toppings.There are 1.5 pizzas.
- 7. Multiple ChoiceData was collected on the weight of a male laboratory rat for the first 25 weeks after its birth. The linear regression equation is
y= 40x+100, where x is number of weeks and y is weight in grams.
What does the y-intercept mean in context of the problem?The predicted weight of the rat in year 0.The predicted weight of the rat at birth.The current weight of the rat.The average increase in the rat's weight. - 8. Multiple ChoiceAbout how many male math teachers were there in 2006?15303545
- 9. Multiple ChoiceWhich of the following could be a possible line of best fit for the data?y = -5/2x + 20y = -x + 19y = x + 20y = 2/3x + 15
- 10. Multiple ChoiceEstimate the value of r:0.03-0.990.79-0.72
- 11. Multiple ChoiceEstimate the value of r:0.990.05-0.99
- 12. Multiple ChoiceThe table shown is comparing a person's foot length to their height in cm. What might the height of a person be with a foot length of 30 cm?185 cm180 cm190 cm192 cm
- 13. Multiple ChoiceThe table shown is comparing a person's foot length to their height in cm. Calculate a line of best fit.f(x) = 25.05x + 5.57f(x) = 5.57x + 25.05f(x) = -5.57x + 25.05f(x) = 5.57x - 25.05
- 14. Multiple ChoiceWhat is the line of best fit?f(x)= 5x+1.82cannot be determinedf(x)= 1.82x + 5.02f(x)= 1.1x + 4.2
- 15. Multiple ChoiceUsing your linear regression, what is y when x is 30?61.5952.4657.9459.76
- 16. Multiple ChoiceThe linear regression equation is y = 61.93x - 1.79. Use the equation to predict how far this person will travel after 10 hours of driving.10 miles617.5 miles0.19 miles500 miles
- 17. Multiple ChoiceThe linear regression equation is y = 61.93x - 1.79. According to the model, the slope can be interpreted as:After 0 hours of driving, they went 61.93 miles.They drove at a speed of 61.93 miles per hour.They drove 61.93 miles total.They drove 61.93 hours total.
- 18. Multiple ChoiceThe 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 chapters would be in a book with 180 pages.12 chapters15 chapters18 chapters21 chapters
- 19. Multiple ChoiceIf Gold's Gym is looking to buy 30 TVs, how much will each one cost?40075012500
- 20. Multiple ChoiceThe chart below tracts starting salaries for health care workers since the year 2000. Using linear regression, find the equation of best fit. Round decimals to 3 places.y = 839.721x + 27541.812y = 27541.812x - 839.721y = 27541.812x + 839.721y = 839.721x - 27541.812
- Answer choicesTagsAnswer choicesTags