Six measurements were made of the concentration (in percent) of ash in a certain variety
Chapter 5, Problem 4(choose chapter or problem)
Six measurements were made of the concentration (in percent) of ash in a certain variety of spinach. The sample mean was 19.35 and the sample standard deviation was 0.577. Assume that the concentrations are normally distributed.
Find a 90% prediction interval for a single measurement. Find a tolerance interval for the pH that includes 99% of the measurements with 95% confidence.
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