Determine the coefficient of determination, Basic Statistics

Assignment Help:

1. A researcher was interested lowering the high school dropout level in his county. He measured the reading level of students entering middle school (based on a standard test) and their academic performance at the end of 10th grade (as measured by overall GPA).

Use the following data to:

A. Compute a correlation coefficient using Excel.

B. Create a scatter plot using Excel.

C. Determine the coefficient of determination. Explain what it tells you.

D. Explain in words what the correlation coefficient tells you about the relationship between reading level when entering middle school and 10th grade academic performance as measured by GPA.

E. What does it not tell you?

Student           Reading Level Score                  GPA

1                                  100                              3.0

2                                  110                              2.95

3                                  80                                2.00

4                                  75                                2.10

5                                  91                                2.00

6                                  124                              3.80

7                                  95                                2.40

8                                  82                                3.00

9                                  104                              3.10

10                                95                                2.20

11                                88                                2.24

12                                95                                3.00

13                                107                              3.45

14                                112                              3.11


Related Discussions:- Determine the coefficient of determination

Probability mass function, how p(x)=hyper geometric distribution is probabi...

how p(x)=hyper geometric distribution is probability mass function

Statistics, Question 1 A courier company conducted a brainstorming sessio...

Question 1 A courier company conducted a brainstorming session amongst drivers to ascertain the reasons why it was unable to deliver items to households, always right first time.

Explain Book value, Explain Book value The net quantity at which an advant...

Explain Book value The net quantity at which an advantage or asset group appears on the books of account, as distinguished from its marketplace or intrinsic value where book value

Wae optic, can we polarize sunlight by the help of Polaroid disc?

can we polarize sunlight by the help of Polaroid disc?

Elaborate bond issue, Elaborate bond issue A reference indicating the exac...

Elaborate bond issue A reference indicating the exacting or different classification or quantity of bonds issued at a specified moment.

T TEST and chi square test, Course of Study MBA 10% B.Tech 90% BBA 0% Diplo...

Course of Study MBA 10% B.Tech 90% BBA 0% Diploma 0% Annual College Fee 25,000-30,000 0% 40,000-50,000 10% 85,000-90,000 90% 90,000 Above 0% Taken an Education Loan Yes 100

What is an irrevocable letter of credit?, What is an irrevocable letter of ...

What is an irrevocable letter of credit? A permanent mail of credit score is a financial instrument used by banks to guarantee a customer's obligations to a supplier. It is perm

Angler survey, Angler survey A survey used by sport fishery managers t...

Angler survey A survey used by sport fishery managers to calculate the total catch, fishing effort and catch rate for the given body of water. For instance, the whole effort m

Discrete random variable, ABC company has 2000 accounts receivable. The mea...

ABC company has 2000 accounts receivable. The mean and standard deviation are $300 and $50, respectively. Assume that the accounts are normally distributed.

State the profit maximization problem of firm, Consider two firms producing...

Consider two firms producing an identical product in a market where the demand is described by p = 1; 200 - 2Y. The corresponding cost functions are c1 (y1) = y 2 1 and c2 (y2) =

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd