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Stat 2300 ,, Activities 5-8 - Statistics Project Example

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The 95% confidence interval does not provide sufficient evidence to conclude that the population mean square feet of living space is 1800 square feet since for the 95% confidence level the square feet of living space ranges from 1557.96 to 1749.76 which does not fall in the…
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Stat 2300 ,, Activities 5-8
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Stat 2300 ,, Activities 5-8

Download file to see previous pages... Thus we have a strong evidence to conclude that mean time of auditing delay is lesser after the merger. However at 99% confidence level the null hypothesis cannot be rejected since the p-value is greater than 1%.
For Problem # 1, we conducted a z-test for mean differences since both of the independent samples were greater than 30. For Problem # 2, it was valid to use a one-tail t-test for mean differences since the samples were smaller than 30 and we also assumed unequal variances since the question did not mention ...Download file to see next pagesRead More
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