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Hypothesis Testing
from Hypothesis Testing
Part 1
a. There are many calls for equality in the workplace, including equality for salaries and promotions for both men and women. It is always thought that men have a higher salary than women. Asimilar concept applies to the top of the employee hierarchy, that is, the management. To determine whether this is true, a study was conducted to evaluate whetherthemeansalaryofmalemanagersisgreaterthanthatofthefemalemanagers.
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b. Isthesalaryofmalemanagersgreaterthanthatoffemalemanagers?
c. The quantitative variable in the study is the monthly salary in dollars for both male and femalemanagers.
Buy this excellently written paper or order a fresh one from acemyhomework.com d. IfH0 isrejected,Iwillconcludethatthereisnodifferenceamountofsalarybetweenmale and female managers in the workplace. However, if H0 is not rejected, I will conclude that there is a statistically significant difference between the salaries of males and female managersintheworkplace,withmaleshavinghighersalariesthanfemalemanagers. e. H0:µ1=µ2
H1:µ1>µ2 f. Where µ1 is the mean salary for male managers, and µ2 is the mean salary for female managers. g. Thenullhypothesis:
Themeansalaryformaleandfemalemanagersisthesame:
Thealternativehypothesis:
Themeansalaryofmalemanagersishigherthanthatoffemalemanagers.
Part 2
a. My target population or my population of interest is both male and female managers in WashingtonDC.Thesamplepopulationofinterestis1000managers.
b. I will use the stratified sampling method where the population is divided into strata that allow for random selection of members from each group. The stratified sampling method usestheformula: ni = n N N i Where; ni isthesamplesizeofmanagersineveryindustrysuchastheretail industry.