Question: solve plz 3. A chemist analyzes a sample for its urea content using a new procedure. Results obtained were 74.5, 75.7, ,76.4, and 75.4%. If

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3. A chemist analyzes a sample for its urea content using a new procedure. Results obtained were 74.5, 75.7, ,76.4, and 75.4\%. If the accepted value for this determination was 71.2%. is there a statistically significant difference between the results of the two procedures at the 95% confidence level

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