A study has been carried out to compare the United Way contributions made by clerical workers from three 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
265 210 207
96 201
What are the null and alternative hypotheses for this test?
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