Solved: A chemical process has produced, on the average,
Chapter 10, Problem 63E(choose chapter or problem)
A chemical process has produced, on the average, 800 tons of chemical per day. The daily yields for the past week are \(785,805,790,793\), and 802 tons.
a Do these data indicate that the average yield is less than 800 tons and hence that something is wrong with the process? Test at the \(5 \%\) level of significance. What assumptions must be satisfied in order for the procedure that you used to analyze these data to be valid?
b Use Table 5 , Appendix 3 , to give bounds for the associated -value.
c Applet Exercise Use the applet Student's Probabilities and Quantiles to find the exact
-value. Does the exact
-value satisfy the bounds that you obtained in part (b)?
d Use the -value from part (c) to decide at the \(5 \%\) significance level whether something is wrong with the process. Does your conclusion agree with the one that you reached in part (a)?
Equation transcription:
Text transcription:
785,805,790,793
5 \%
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