question archive The America Society for Quality (ASQ) conducted a salary survey of all its members

The America Society for Quality (ASQ) conducted a salary survey of all its members

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The America Society for Quality (ASQ) conducted a salary survey of all its members. ASQ members work in all areas of manufacturing and service-related institutions, with a common theme of an interest in quality. Two job titles are black belt and green belt. The table below gives a summary of results. Are Black belts average salaries significantly different from those of Green belts? (? = 0.05)Sample size (n)Sample meanSample standard deviationBlack belt141$88945$21791Green belt140$83794$25911Ho: Ha:Degrees of freedom: Critical Value(s):Test Statistic: P-value:Decision and conclusion:

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