Quiz about Data And Modeling

Question 1

A scatterplot is shown.

![](http://admin.getprephub.com/media/editor/Screenshot%202023-04-13%20at%2010.01.03%20AM_20230413080141790422.png)

Which statement about the scatterplot is true?

Accepted Answer

Covalent bond

Answer

There is a negative, linear association between $$x$$ and $$y$$.

Answer

There is no association between $$x$$ and $$y$$.

Answer

There is a positive, linear association between $$x$$ and $$y$$.

Answer

There is a nonlinear association between $$x$$ and $$y$$.

Question 2

A scatterplot of some data is shown.

![](http://admin.getprephub.com/media/editor/6g17_20230322220233833327.png)

Which model best represents the data?

Accepted Answer

Covalent bond

Answer

![](http://admin.getprephub.com/media/editor/6g17s_20230322220302515418.png)

Answer

![](http://admin.getprephub.com/media/editor/6g17ss_20230322220319121130.png)

Answer

![](http://admin.getprephub.com/media/editor/6g17sss_20230322220357904327.png)

Answer

![](http://admin.getprephub.com/media/editor/6g17ssss_20230322220414132106.png)

Question 3

A sequence of transformations is applied to $$	riangle C D E$$ to create $$\Delta C^{/} D^{/} E^{\prime}$$.

Select all the sequences of transformations that could be applied to $$	riangle C D E$$ so that $$	riangle C D E \cong 	riangle C / D^{/} E^{/}$$.

Accepted Answer

Covalent bond

Answer

a clockwise rotation of 90 degrees and then a reflection across the $$y$$-axis

Answer

a clockwise rotation of 90 degrees and then a dilation by a scale factor of 2

Answer

a dilation by a scale factor of 2 and then a reflection across the $$y$$-axis

Answer

a translation 5 units down and then a dilation by a scale factor of 2

Question 4

Which graph shows a line of best fit for the data?

Accepted Answer

Covalent bond

Answer

![](http://admin.getprephub.com/media/editor/Screenshot%202023-04-27%20at%2011.13.13%20AM_20230427091432254468.png)

Answer

![](http://admin.getprephub.com/media/editor/Screenshot%202023-04-27%20at%2011.13.24%20AM_20230427091439990469.png)

Answer

![](http://admin.getprephub.com/media/editor/Screenshot%202023-04-27%20at%2011.13.34%20AM_20230427091449762495.png)

Answer

![](http://admin.getprephub.com/media/editor/Screenshot%202023-04-27%20at%2011.13.39%20AM_20230427091458542816.png)

Ohio State Data And Modeling Class 8 Maths Problems and Solutions

Many students find Data And Modeling for Class 8 particularly challenging. Strengthen your concepts and gain confidence for your exams by solving free questions for Data And Modeling from Ohio State for Class 8 preparation.