Chapter 4 Homework-Katnina Perkins 2/12/2018 7. Complete parts (a) and (b) below

Question

Chapter 4 Homework-Katnina Perkins 2/12/2018 7. Complete parts (a) and (b) below a. The scatterplot to the right shows the college tuition and percentage acceptance at some colleges. Would it make sense to find the correlation using this data set? Why or why not? O A. Yes. There is no reason why linear regression would not be appropriate because there is a large number of data points. OB. Yes. There is no reason why linear regression 20 would not be appropriate because the trend is linear 10 10 15 20 25 30 35 40 45 College Tuition (thousands of dollars) O C. No. Linear regression is not appropriate because the trend is not linear 0 D. No. Linear regression is not appropriate because there are not enough data points b. The scatterplot to the right shows the composite grade on the ACT (American College Testing) exam 32.5- and the English grade on the same exam. Would it make sense to find the correlation using this data set? Why or why not? 30 27.5 5 250- O A. Yes. There is no reason why linear regression 225 would not be appropriate because the trend is 200 175 linear. 0 B. Yes. There is no reason why linear regression 8 15.0 would not be appropriate because there is a large number of data points. No. Linear regression is not appropriate because there are not enough data points. 10 15 20 25 30 35 English Score on the ACT Exam C. a m OD. No. Linear regression is not appropriate because the trend is not linear.

Explanation / Answer

7. a

C No. Linear Regression is not appropriate because the trendline is not linear.

It is a little self explantory, even when when observe the data sets of the first graph the trendline doesn't look like a linear one more similarities with of a polynomial.

7. b

A Yes, There is no reason why linear regression would not be appropriate because the trend is linear.

The scatter plots are linear in nature and the data points are sufficient as well as to draw out correlation out of it.

Related Questions

Navigate

• Browse (All)
• Browse C
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.