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

Conversion process from gaap to ifrs, How important a role do you think IT ...

How important a role do you think IT will play in the conversion process from GAAP to IFRS? Manager 1: Earlier, we never expected the new rules to have such an impact on the

Need help, PART 1 Shown below are the sales revenue and advertising cost da...

PART 1 Shown below are the sales revenue and advertising cost data for seven companies published by International Advertising Age. COMPANY ADVERTISING ($ MILLIONS) SALES ($ BILLION

Optical, How to combine two prisms to produce deviation without dispersion ...

How to combine two prisms to produce deviation without dispersion ?

Calculate stress in the string, question.. A prevent of huge m1 and bodywe...

question.. A prevent of huge m1 and bodyweight w1 = m1g goes on a stage frictionless exterior. It is attached by a gentle versatile string moving past over a little frictionless l

Demographic characteristics , Data   If you look at the Variable vie...

Data   If you look at the Variable view (at top of screen - select View and select variables), you will see the names of variables and information about each one.  The lab

Generate samples for each distribution, Generate 1000 samples for each of t...

Generate 1000 samples for each of the following continuous random variables: (a). Exponential distribution with λ = 1.2 and λ = 2.1 (b). Normal distribution with μ = 3.1, σ

Estimate the parameters of the normal distribution, The sizes of 15 Califor...

The sizes of 15 California earthquakes are given below. 6.8   6.6  7.5  6.2  6.5  7.1  8.3  5.9  6.1  6.9  7.0  6.2  5.9  6.3  7.3 (a)  Assuming normal distribution for the s

Central tendency, List down various measures of central tendency and explai...

List down various measures of central tendency and explain the difference between them?

Calculate the difference quotient and average velocity, A girl named Alice ...

A girl named Alice fell asleep during a discussion about the difference quotient. She did not think it could possibly have anything to do with real life. While dreaming she saw

Capital budgeting techniques, Capital budgeting Techniques Financial com...

Capital budgeting Techniques Financial commitment spending budget (or investment appraisal) is the planning process used to figure out whether a company long run purchases such

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