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QUESTION
. A sample of 40 net daily takings from the first shop has a mean £100 and a standard deviation of £20. A sample of 40 net daily takings from the second shop has a mean of £90 and a standard deviat
. A sample of 40 net daily takings from the first shop has a mean £100 and a standard deviation of £20. A sample of 40 net daily takings from the second shop has a mean of £90 and a standard deviation of £40. Are the two shops’ net takings the same? Explain your findings.
