1/30 CFA Bivariate Data

Last updated over 1 year ago

8 questions

1/30 CFA Bivariate Data

Last updated over 1 year ago

8 questions

Question 1

Describe the correlation between the amount of battery left on your phone and the amount of time watching TikTok.

Negative correlation

Positive correlation

No correlation

Question 2

Which best describes the relationship shown in the scatter plot?

There is a positive linear association between the price and the quality rating.

There is no association between the price and the quality rating.

There is a negative linear association between the price and the quality rating.

There is a negative non linear association between the price and the quality rating.

Question 3

Which associations best describe the scatter plot? Select each correct answer.

Linear association

Negative association

Nonlinear association

Positive association

Question 4

Which of these shows the trend line for the data in the scatter plot?

Question 5

What is the best description of the scatter plot?

What does the point (38,15) represent in the scatter plot? __________

Question 6

Which best describes the meaning of the y‑intercept and the slope of the line of
best fit?

The temperature was about 30 °C at the surface of the lake, and decreased by approximately 1.7 °C for each meter of depth.

The temperature was about 30 °C at the surface of the lake, and decreased by approximately 3 °C for each meter of depth.

The temperature was about 30 °C at the surface of the lake, and decreased by approximately 1/3°C for each meter of depth.

The temperature was about 30 °C at the surface of the lake, and decreased by approximately .6 °C for each meter of depth.

Question 7

The coaches of a group of debate teams answered a survey about hours of debate, team practice and number of team wins. The graph shows the results of this survey.

Based on these results, if a team practices 4 hours per week next season, which is the best estimate of the number of debates the team can expect to win? Draw a line of best fit to help.

20

16

12

22

Question 8

Match the equation that will be the most appropriate line of best fit for the scatter plot.

Draggable item		Corresponding Item

Question 1

Describe the correlation between the amount of battery left on your phone and the amount of time watching TikTok.

Negative correlation

Positive correlation

No correlation

Question 2

Which best describes the relationship shown in the scatter plot?

There is a positive linear association between the price and the quality rating.

There is no association between the price and the quality rating.

There is a negative linear association between the price and the quality rating.

There is a negative non linear association between the price and the quality rating.

Question 3

Which associations best describe the scatter plot? Select each correct answer.

Linear association

Negative association

Nonlinear association

Positive association

Question 4

Which of these shows the trend line for the data in the scatter plot?

Question 5

What is the best description of the scatter plot?

What does the point (38,15) represent in the scatter plot? __________

Question 6

Which best describes the meaning of the y‑intercept and the slope of the line of
best fit?

The temperature was about 30 °C at the surface of the lake, and decreased by approximately 1.7 °C for each meter of depth.

The temperature was about 30 °C at the surface of the lake, and decreased by approximately 3 °C for each meter of depth.

The temperature was about 30 °C at the surface of the lake, and decreased by approximately 1/3°C for each meter of depth.

The temperature was about 30 °C at the surface of the lake, and decreased by approximately .6 °C for each meter of depth.

Question 7

The coaches of a group of debate teams answered a survey about hours of debate, team practice and number of team wins. The graph shows the results of this survey.

Based on these results, if a team practices 4 hours per week next season, which is the best estimate of the number of debates the team can expect to win? Draw a line of best fit to help.

20

16

12

22

Question 8

Match the equation that will be the most appropriate line of best fit for the scatter plot.

Draggable item		Corresponding Item

1/30 CFA Bivariate Data

1/30 CFA Bivariate Data

Describe the correlation between the amount of battery left on your phone and the amount of time watching TikTok.

Which best describes the relationship shown in the scatter plot?

Which associations best describe the scatter plot? Select each correct answer.

Which of these shows the trend line for the data in the scatter plot?

Which best describes the meaning of the y‑intercept and the slope of the line ofbest fit?

Match the equation that will be the most appropriate line of best fit for the scatter plot.

Describe the correlation between the amount of battery left on your phone and the amount of time watching TikTok.

Which best describes the relationship shown in the scatter plot?

Which associations best describe the scatter plot? Select each correct answer.

Which of these shows the trend line for the data in the scatter plot?

Which best describes the meaning of the y‑intercept and the slope of the line ofbest fit?

Match the equation that will be the most appropriate line of best fit for the scatter plot.

Which best describes the meaning of the y‑intercept and the slope of the line of
best fit?

Which best describes the meaning of the y‑intercept and the slope of the line of
best fit?