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

Cost accounting, 1. ABC produces a single product. Material A is added at t...

1. ABC produces a single product. Material A is added at the start of production and Material B at the end. Conversion is uniform throughout. Inspection before Material B is added.

Inventory control, Inventory control Inventory Control is the guidance of ...

Inventory control Inventory Control is the guidance of provide, storage and convenience of items to ensure an adequate provide without excessive oversupply. It can also be known a

Determining the sample size for a confidence interval, 1. In your own words...

1. In your own words explain the difference between a point estimate and an interval estimate of a parameter? Which is better? Why?  2. What information is necessary to calculat

Audit, hi i need help for an auditing assignment

hi i need help for an auditing assignment

Adaptations, what are flatworms adaptations

what are flatworms adaptations

Draw concerning the effectiveness of the medications, A testing organizatio...

A testing organization is evaluating the effectiveness of sinus relief tablets, Relief and SineOut.  As part of the analysis the organization collects 44 sinus sufferers and random

Research design, Hi there, I am designing a research study for my undergrad...

Hi there, I am designing a research study for my undergrad in Online Relationship. I am having some trouble with my professor accepting my proposed research model and survey questi

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