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Beata Chmielewska
Questions and answers by visitors named
Beata Chmielewska
Questions (9)
Which one of the following test is used to compare five means, simultaneously?
Run test Normally test One way ANOVA 2 Sample T
2 answers
657 views
Which test determines if there is a difference between the mean of a group and proposed standard value?
Paired t-test F-test One
2 answers
565 views
The null hypothesis is:
a. Always contains a > in the equation b. Not needed c. The alternative hypothesis d. The hypothesis of
2 answers
848 views
Which of the following statements correctly interprets a 95% confidence interval on a population mean?
a. It is a single point
3 answers
1,239 views
An individual is reviewing a stable, normal process that has a Cq=3 and a Cpk =5. In order to achieve a capable process, what
1 answer
429 views
What statistical assumptions need to be validated for ANOVA results to be valid?
a. observations are from an F-distribution b.
3 answers
685 views
When population data are discrete and you want to compare two populations, which test is most appropriate?
a. T-test b. Anderson
4 answers
697 views
Which of the following is true about Standard Deviation?
a. It is the maximum value minus the minimum value b. It a range of
1 answer
785 views
Which testing a statistical hypothesis with significance level of alpha 0.05, when do you reject the NULL hypothesis (HO)?
2 answers
578 views
