Statistics competency scores, Basic Statistics

Assignment Help:

A professor is interested in whether there is a gap in counseling students' statistics competency scores between 1) those who have never taken any statistics course, 2) those who have only taken an undergraduate statistics course, 3) those who have taken COUN 503, and 4) those who have takenan advanced statistic course whereas working on a Ph. D. The professor gathers information from a random sample of students and obtains the statistics competency scores. The scoresare normally distributed.

 

1)

2)

3)

4)

7

11

13

15

6

11

14

14

8

10

15

15

5

12

12

15

4

13

13

10

4

15

13

15

 

a. What statistical test should be used to examine these data?

b. Identify H0 and Ha for this study.

c. Conduct the exactly analysis.

d. Should H0 be rejected? What should the researcher conclude?

 

 


Related Discussions:- Statistics competency scores

Frequency distributions and graphs, What methods did you consider when putt...

What methods did you consider when putting the data into a more useable format

Absorption distributions , Absorption distributions Probability distribu...

Absorption distributions Probability distributions which represent the number of 'individuals' (such as particles) which fail to cross the speci?ed area containing the hazards o

Cost accounting, wat is cost accounting and wats its scope ?

wat is cost accounting and wats its scope ?

Benefits of financial sales, Expertsmind.com offering Uses of Financial Ac...

Expertsmind.com offering Uses of Financial Accounting Financial Accounting Sales performs important and useful part by creating the details for offering solutions to many conc

Illustrate linear correlation, Q. Illustrate Linear Correlation? Ans. ...

Q. Illustrate Linear Correlation? Ans. In bivariate studies we are often interested in finding out whether there is a relationship between two sets of data. Are SAT score

What is use of Advantageous , What is use of Advantageous Immediate non-fi...

What is use of Advantageous Immediate non-financial, work-related advantages accruing to the condition.

Recruitment process process map, What are the steps in a recruitment proces...

What are the steps in a recruitment process and who are responsible for each step?

Intervals, At a tennis tournament a statistician keeps track of every serve...

At a tennis tournament a statistician keeps track of every serve. The statistician reported that the mean serve speed of a particular player was 102 miles per hour (mph) and the st

Essentials of statistics for behavioral sciences, it seems that 14% of enga...

it seems that 14% of engaged women buy a wedding dress at least one size smaller than their current size

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