Exploring Data

Exploring Data

12th Grade

20 Qs

quiz-placeholder

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Exploring Data

Exploring Data

Assessment

Quiz

Mathematics

12th Grade

Hard

Created by

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

Media Image

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

Media Image

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

Media Image

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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