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

What is Nuclear holocaust, Nuclear holocaust It is the name given to large...

Nuclear holocaust It is the name given to large scale destruction and devastation that would be caused by the use of nuclear weapon. The radioactive waste will hang like a cloud i

Managerial accounting, Barker Company has a single product called a Zet. Th...

Barker Company has a single product called a Zet. The company normally produces and sells 80,000 Zets each year at a selling price of $40 per unit. The company’s unit costs at this

Kurtosis, define kurtosis with relevant examples

define kurtosis with relevant examples

Assignment, Discuss about the scalling techniques

Discuss about the scalling techniques

International accounting standards board-iasb, IASB -International Accounti...

IASB -International Accounting Standards Board : IASB is an independent body based in London, which is responsible for setting accounting standards. IASB started operations in the

Describe time cost of working alters of budget constraint, Suppose that an ...

Suppose that an individual has unearned income of $V and can choose how many hours she works per week at a wage of $w per hour.  Assume that she has a total of 110 hours of time to

Business valuation to determine the stock price of an entity, Definition of...

Definition of business valuation to determine the stock price of an entity. Business valuation is the value or price where a unit would be purchased at a given point in time. Usual

Correlation, what are the condition to use probable error

what are the condition to use probable error

Hierarchical clustering , Hierarchical Clustering   Five, two-dimens...

Hierarchical Clustering   Five, two-dimensional data points are shown below: x y -0.43 1.19 -1.66 1.1

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