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Get Full Access to Statistics For Engineers And Scientists - 4 Edition - Chapter 5.9 - Problem 4e
Get Full Access to Statistics For Engineers And Scientists - 4 Edition - Chapter 5.9 - Problem 4e

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# Six measurements were made of the concentration (in

ISBN: 9780073401331 38

## Solution for problem 4E Chapter 5.9

Statistics for Engineers and Scientists | 4th Edition

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Problem 4E

Problem 4E

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.

a. Find a 90% prediction interval for a single measurement.

b. Find a tolerance interval for the pH that includes 99% of the measurements with 95% confidence.

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Psych Statistics – Book Notes Chapter 1  Statistics consists of a set of procedures for organizing, describing, and interpreting quantitative information and for drawing conclusions/making inferences about what is generally true for an entire group. Scientific Use  Almost all numerical information, or data, in the social/behavioral sciences contain variability. o Variability­ refers to the fact that the scores/measurement values obtained in a study differ from one another, even when all subjects are assessed under the same circumstances.  1) Individual Differences­ The units (usually people) are rarely identical to one

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