Perform a statistical test on the claim

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Question - The head office of a large retailer feels that one of its stores is outperforming the overall sales of their UK shops in general. They would like to promote this fact, and further, try to learn and understand more about their success. However, they want to know that this result is a fair interpretation of the data, and ask you to perform a test of statistical significance on this result.

The national monthly sales for the retailer are normally distributed with a mean of £75,000 and a standard deviation of £8,000. For the individual store in question, there are data for 12 months of sales which has a sample mean of £82,000. Perform a statistical test on the claim that the store is outperforming the UK average, assuming that monthly sales are normally distributed.

Reference no: EM132973181

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