Maurice Tutor

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    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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    Phoniex University
    Oct-2001 - Nov-2016

Category > Management Posted 11 Oct 2017 My Price 8.00

Births by Day of Week

Births by Day of Week An obstetrician knew that there were more live births during the week than on weekends. She wanted to discover whether the distribution for number of births was the same for each of the 5 days of the week. She randomly selected eight dates for each of the 5 days of the week and obtained the data shown.

Monday

Tuesday

Wednesday

Thursday

Friday

10,456

11,621

11,084

11,171

11,545

10,023

11,944

11,570

11,745

12,321

10,691

11,045

11,346

12,023

11,749

10,283

12,927

11,875

12,433

12,192

10,265

12,577

12,193

12,132

12,422

11,189

11,753

11,593

11,903

11,627

11,198

12,509

11,216

11,233

11,624

11,465

13,521

11,818

12,543

12,543

(a) State the null and alternative hypotheses.

(b) The sums of the ranks in each category are as follows:

Monday Tuesday Wednesday

Thursday

Friday

Sample

 

 

 

 

 

size

8

8

8

8

8

Sum of

 

 

 

 

 

ranks

48

226

144

194.5

207.5

Use this information to compute the test statistic.

(c) What is the critical value at the α = 0.05 level of significance?

(d) State your conclusion.

(e) Draw side-by-side boxplots to support your conclusion.

Answers

Maurice Tutor
(5)
Status NEW Posted 11 Oct 2017 01:10 PM My Price 8.00

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