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Answer:
Null hypothesis:
The null hypothesis shows that the effect of comparison difference is zero. The test gives the accurate variation between the two groups of companies.
If the comparison result is zero, then zero difference in the two groups of companies is obtained.
Similarly, the standard error of the variance is also zero.
Alternative hypothesis:
The alternative hypothesis shows that the effect of comparison differences is the percentage or the average values.
Similarly, the standard error of the differences is also having values in the base of Categorical scale or Metric scale.
Therefore, the process of null and alternative hypothesis for different tests is explained.
Answer:
Different ways to investigate and find the difference between the companies:
The marketing researcher makes different ways to investigate about the company to find the differences.
Three ways to find the differences are,
(i) Compare the group of similar companies with other groups.
During this investigation, the customers are the key persons for this analysis. The comparison is done between the customers of two different groups of companies.
(ii) Compare three or more groups.
The analysis of various groups of customers in a company is compared with similar groups of customers who are working with other organizations.
(iii) Compare the service of the company to another company.
The quality-based comparison is an important aspect. The service provider company is compared with other service provider company based on the services.
These are the three different ways to investigate and find the difference between the companies.
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