Assignment:
A study has been carried out to compare the United Way contributions made by clerical workers from three local corporations. A sample of clerical workers has been randomly selected from each firm, and the dollar amounts of their contributions are as follows.
|
Firm 1
|
Firm 2
|
Firm 3
|
|
199
|
108
|
162
|
|
236
|
104
|
86
|
|
167
|
153
|
160
|
|
263
|
218
|
135
|
|
254
|
210
|
207
|
|
|
96
|
201
|
a. What are the null and alternative hypotheses for this test?
b. Use ANOVA and the 0.05 level of significance in testing the null hypothesis identified in part (a).
Provide complete and step by step solution for the question and show calculations and use formulas.