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Stat Tutor

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4:07

Incorrect. Since a line drawn through the cloud of data will have positive slope, the direction is positive.

Correct. Since a line drawn through the cloud of data will have positive slope, the direction is positive.

Incorrect. Try again.

2

4:20

Incorrect. Since a straight line can be drawn through the cloud of data, the form is linear.

Correct. Since a straight line can be drawn through the cloud of data, the form is linear.

Incorrect. Try again.

2

4:29

Incorrect. Since the linear pattern is clearly visible, the strength is strong.

Correct. Since the linear pattern is clearly visible, the strength is strong.

Incorrect. Try again.

2

5:30

Incorrect. Since a line drawn through the cloud of data will have positive slope, the direction is positive.

Correct. Since a line drawn through the cloud of data will have positive slope, the direction is positive.

Incorrect. Try again.

2

5:33

Incorrect. Since a straight line can be drawn through the cloud of data, the form is linear.

Correct. Since a straight line can be drawn through the cloud of data, the form is linear.

Incorrect. Try again.

2

5:37

Incorrect. Since the linear pattern is clearly visible, the strength is strong.

Correct. Since the linear pattern is clearly visible, the strength is strong.

Incorrect. Try again.

2

6:49

Incorrect. Since a line drawn through the cloud of data will have negative slope, the direction is negative.

Correct. Since a line drawn through the cloud of data will have negative slope, the direction is negative.

Incorrect. Try again.

2

7:03

Incorrect. Since a straight line can be drawn through the cloud of data, the form is linear.

Correct. Since a straight line can be drawn through the cloud of data, the form is linear.

Incorrect. Try again.

2

7:25

Incorrect. Since the linear pattern is clearly visible, the strength is strong.

Correct. Since the linear pattern is clearly visible, the strength is strong.

Incorrect. Try again.

2

7:58

Incorrect. Since the cloud of data has no pattern, there is no relationship.

Correct. Since the cloud of data has no pattern, there is no relationship.

Incorrect. Try again.

2

8:29

Incorrect. Since the cloud of data has a curved pattern, there is a relationship.

Correct. Since the cloud of data has a curved pattern, there is a relationship.

Incorrect. Try again.

2

8:38

Incorrect. Since a line drawn through the cloud of data will have positive slope, the direction is positive.

Correct. Since a line drawn through the cloud of data will have positive slope, the direction is positive.

Incorrect. Try again.

2

8:42

Incorrect. Since a straight line drawn through the cloud of data does not follow the form, but a curved line drawn through the data does, the form is curved.

Correct. Since a straight line drawn through the cloud of data does not follow the form, but a curved line drawn through the data does, the form is curved.

Incorrect. Try again.

2

8:48

Incorrect. Since the curved pattern is clearly visible, the strength is strong.

Correct. Since the curved pattern is clearly visible, the strength is strong.

Incorrect. Try again.

2

9:25

Incorrect. Since the cloud of data seems to have a linear pattern, there is a relationship.

Correct. Since the cloud of data seems to have a linear pattern, there is a relationship.

Incorrect. Try again.

2

9:29

Incorrect. Try again.

2

9:32

Incorrect. Since a straight line can be drawn through the cloud of data, the form is linear.

Correct. Since a straight line can be drawn through the cloud of data, the form is linear.

Incorrect. Try again.

2

9:37

Incorrect. Since the linear pattern is clearly visible, the strength is strong.

Correct. Since the linear pattern is clearly visible, the strength is strong.

Incorrect. Try again.

2

10:17

Incorrect. Since the cloud of data seems to have a linear pattern (with the exception of an outlier), there is a relationship.

Correct. Since the cloud of data seems to have a linear pattern (with the exception of an outlier), there is a relationship.

Incorrect. Try again.

2

10:22

Incorrect. Since a line drawn through the cloud of data will have negative slope, the direction is negative.

Correct. Since a line drawn through the cloud of data will have negative slope, the direction is negative.

Incorrect. Try again.

2

10:25

Incorrect. Since a straight line can be drawn through the cloud of data, the form is linear.

Correct. Since a straight line can be drawn through the cloud of data, the form is linear.

Incorrect. Try again.

2

10:33

Incorrect. Since the linear pattern is clearly visible, the strength is strong.

Correct. Since the linear pattern is clearly visible, the strength is strong.

Incorrect. Try again.

2

11:06

Incorrect. Since the cloud of data clearly has a linear pattern, there is a relationship.

Correct. Since the cloud of data clearly has a linear pattern, there is a relationship.

Incorrect. Try again.

2

11:14

Incorrect. Try again.

2

11:25

Incorrect. Since a straight line can be drawn through the cloud of data, the form is linear.

Correct. Since a straight line can be drawn through the cloud of data, the form is linear.

Incorrect. Try again.

2

11:41

Incorrect. Since the linear pattern is clearly visible, the strength is strong.

Correct. Since the linear pattern is clearly visible, the strength is strong.

Incorrect. Try again.

2

11:57

Incorrect. A .25 carat diamond is well within the range of observed x-values so we can predict its price.

Correct. A .25 carat diamond is well within the range of observed x-values so we can predict its price.

Incorrect. Try again.

2

12:13

Incorrect. A 2 carat diamond is quite a ways outside the range of observed x-values so predicting its price will give a bad prediction.

Correct. A 2 carat diamond is quite a ways outside the range of observed x-values so predicting its price will give a bad prediction.

Incorrect. Try again.

2

13:39

Incorrect. Since examining the scatterplot visually does not reveal a pattern in the cloud of data, we would say there is no relationship.

Correct. Since examining the scatterplot visually does not reveal a pattern in the cloud of data, we would say there is no relationship.

Incorrect. Try again.

2