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Posted: **Wed May 11, 2022 2:38 pm**

: 13 Instrument Precision A Precision Instrument Is Guaranteed To Read Accurately To Within 2 Units A Sample Of Four Ins 1 (40.63 KiB) Viewed 28 times

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13. Instrument Precision A precision instrument is guaranteed to read accurately to within 2 units. A sample of four instrument readings on the same object yielded the measurements 353, 351, 351, and 355, a. Test the null hypothesis that o= .7 against the alternative o > .7. Use a = .05. Answer b. Find a 90% confidence interval for the population variance. Answer

In problem 13 on page 420, what is the critical value? 1 points (Extra Credi I QUESTION 4 In problem 13 on page 420, what is the correct decision?

In problem 13 on page 420 what is the 95% CI for sigma?