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Description
in the first week following tighter quality control, the manufacturer of large truck mufflers found the drop in the percentage of defectives was 2.7%+- 2.1%, with 95% confidence
at the 5% error level, is this drop statistically discernible (siginificant)?
a. Is discernible, because the null hypothesis is within the confidence interval
b.Not discernible,because the null hypothesis is outside the confidence interval
c. No discernible, because the 2.1% allowance is less than 5%
d.is discernible, because the 2.7% exceeds the 2.1% allowance.
The post Statistic and Interval Confidence and Error Level Worksheet appeared first on assignmentpress.com.
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