6) A coffee shop claims that their large coffee cups have an average volume of 16 ounces. A random sample of 20 large coffee cups is selected, and their average volume is found to be 15.5 ounces with a sample standard deviation of 0.6 ounces. Is there enough evidence to reject the coffee shop's claim at a significance level of 0.05?

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Q: I also Need help with part D please

A: The correlation coefficient is 0.8137.

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Q: thank you

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