Homework Helper

Not Rated (0)

$17/per page/

About Homework Helper

Levels Tought:
Elementary,Middle School,High School,College,University,PHD

Expertise:
Accounting,Applied Sciences See all
Accounting,Applied Sciences,Art & Design,Chemistry,Economics,Essay writing Hide all
Teaching Since: Apr 2017
Last Sign in: 419 Weeks Ago, 2 Days Ago
Questions Answered: 3232
Tutorials Posted: 3232

Education

  • MBA,MCS,M.phil
    Devry University
    Jan-2008 - Jan-2011

  • MBA,MCS,M.Phil
    Devry University
    Feb-2000 - Jan-2004

Experience

  • Regional Manager
    Abercrombie & Fitch.
    Mar-2005 - Nov-2010

  • Regional Manager
    Abercrombie & Fitch.
    Jan-2005 - Jan-2008

Category > Business & Finance Posted 07 Aug 2017 My Price 13.00

i would like help with question 3 part 1 in the assignment attached plz..

i would like help with question 3 part 1 in the assignment attached plz..

 

1.)    (i) (a) What is sampling error? (b) Why does the possibility of sampling error present a problem to researchers when inferring a  population μ from a sample  x̄? (c) What is the difference between a real relationship in nature and one that results from sampling error?

(ii)What does α stand for, and what two things does it determine? (b) How does the size of α affect whether a result is significant or nonsignificant?

(iii) What four things must a researcher do prior to collecting data for a study?

 

2.)    (i)Listening to music while taking a test may be relaxing or it may be distracting. To determine which, 49 participants are tested while listening to music and they produce an  x̄ = 54.63. The mean of the population of students who have taken this test without music is 50 (σx  = 12). (a) Should we use a one-tailed or two-tailed test? Why? (b) What are our Ho and Ha ? (c) Compute Zobt. (d) With α = .05, what is Zcrit.? (e) Do we have evidence of a relationship in the population? If so, describe the relationship.

3.)    Here are data from an experiment studying the effect of age on creativity scores

 

AGE 4

AGE 6

AGE 8

AGE 10

 

3

5

7

4

3

 

9

11

14

10

10

 

9

12

9

8

9

 

7

7

6

4

5

 

 

               

 

(i)                  Compute Fobt and create an ANOVA summary table. (b) With α = .05 what do you conclude about Fobt? (c) Describe and show how you would graph these results.

Answers

Homework Helper
Not Rated (0)
Status NEW Posted 07 Aug 2017 10:08 AM My Price 13.00

Hel-----------lo -----------Sir-----------/Ma-----------dam----------- T-----------han-----------k Y-----------ou -----------for----------- us-----------ing----------- ou-----------r w-----------ebs-----------ite----------- an-----------d a-----------cqu-----------isi-----------tio-----------n o-----------f m-----------y p-----------ost-----------ed -----------sol-----------uti-----------on.----------- Pl-----------eas-----------e p-----------ing----------- me----------- on----------- ch-----------at -----------I a-----------m o-----------nli-----------ne -----------or -----------inb-----------ox -----------me -----------a m-----------ess-----------age----------- I -----------wil-----------l

Not Rated(0)