A researcher wants to compare the salaries of registered nurses who work in California, New York, and Florida. The researcher randomly selected several RN€™s in each state and recorded their annual salaries. The salaries are listed in the table shown below. Follow these steps, using α = .05, to see if you can conclude that the distributions in these three states are different.

Annual Salaries

New

California ...................... York ...................... Florida
$40,500 .................... $43,400 .................... $39,250
$56,060 .................... $45,800 .................... $47,620
$42,350 .................... $55,650 .................... $48,500
$74,200 .................... $74,200 .................... $62,400
$65,200 .................... $33,480 .................... $58,200
$43,400 .................... $55,800 .................... $32,100
$41,900 .................... $49,200 .................... $34,570
    $68,500                                                                          

a. Present the null hypothesis.

b. Present the alternative hypothesis.

c. Calculate df.

d. Identify the critical value of H in Table D of your textbook.

e. Present the decision rule.

f. Calculate H.

g. Present a statistical decision.

h. Present a conclusion in the context of the research situation.

Transcribed Image Text:

Table D CRITICAL VALUES OF ? Xarit LEVEL OF SIGNFICANCE p>.10 p<.05 p<.10 p<.01 p<.001 .10 2.71 4 60 .01 6.64 9.21 .001 10.83 13.82 11.07 12.59 14.07 15.51 16.92 18.31 17.28 19.68 45 64 46.96 48.28 49.59 50.89 8%88 885さ68打的 81的的7 冷的g8 iNa3 85385 丝总的的 机机设相的配的