Exploring Data

Quiz
•
Mathematics
•
12th Grade
•
Hard
Anthony Clark
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What does a scatterplot show?
Relationship between a quantitative and a categorical variable
Relationship between two categorical variables
Relationship between two qualitative variables
Relationship between two quantitative variables
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which variable measures the outcome of a study in a scatterplot?
Response Variable
Correlation Coefficient
Lurking Variable
Explanatory Variable
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What does a correlation near zero correspond to?
Weak association
Moderate association
Strong association
No association
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the ideal way to picture associations between two quantitative variables?
Bar graphs
Histograms
Pie charts
Scatterplots
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Researchers were interested in comparing two methods for estimating tire wear. The first method used the amount of weight lost by a tire. The second method used the amount of wear in the grooves of the tire. A random sample of 16 tires was obtained. Both methods were used to estimate the total distance traveled by each tire as seen in the table. The table provides the two estimates for each tire (in thousands of miles) What is the response variable?
Distance traveled
Time
Method for estimating wear
Tire number
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Researchers were interested in comparing two methods for estimating tire wear. The first method used the amount of weight lost by a tire. The second method used the amount of wear in the grooves of the tire. A random sample of 16 tires was obtained. Both methods were used to estimate the total distance traveled by each tire as seen in the table. The table provides the two estimates for each tire (in thousands of miles) Is the data paired or not paired? How do you know?
Paired because there are not two observations for each tire
Paired because there are two observations for each tire
Unpaired because there are not two observations for each tire
Unpaired because there are two observations for each tire
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Researchers were interested in comparing two methods for estimating tire wear. The first method used the amount of weight lost by a tire. The second method used the amount of wear in the grooves of the tire. A random sample of 16 tires was obtained. Both methods were used to estimate the total distance traveled by each tire as seen in the table. The table provides the two estimates for each tire (in thousands of miles). If you calculated the mean difference and got 3.732, what would this mean in context of the problem? (Note, I am not saying that this is the mean difference)
On average, tires were estimated to travel 3.732 thousands of miles more using the "weight" method.
On average, tires were estimated to travel 3.732 thousands of miles more using the "groove" method.
On average, tires were estimated to travel 3.732 thousands of miles less using the "weight" method.
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