[Solution] A market research firm is assigned to collect information regarding whether a new soap produced by Company A will sell better than a similar
Question: A market research firm is assigned to collect information regarding whether a new soap produced by Company A will sell better than a similar soap produced by a competitor, Company B. The firm employs an impartial team of reporters to go to various supermarkets and ask randomly selected customers which soap they prefer based on the "smell test" and product information.
- Write the null hypothesis in symbols.
- Write the non-directional research hypothesis in symbols.
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