Exam 6: Statistical Methods in Quality Management

arrow
  • Select Tags
search iconSearch Question
flashcardsStudy Flashcards
  • Select Tags

Products are boxed in groups of 25.Drawing a sample of boxes and inspecting all units in the boxes selected is an example of systematic sampling.

(True/False)
4.8/5
(41)

Any sampling procedure can result in two types of errors: _____ error and _____ error.

(Multiple Choice)
4.8/5
(34)

Which of the following is not part of the major goal of typical applications of a statistics plan? ?

(Multiple Choice)
4.9/5
(33)

Correlation is a measure of a linear relationship between two variables,X and Y,and is measured by the (population)correlation coefficient.

(True/False)
4.8/5
(32)

A government report gives a 99% confidence interval for the proportion of welfare recipients who have been receiving welfare benefits for more than 5 years to be 21% ± 4.5%.Which of the following intervals could not be a 95% confidence interval for the proportion of welfare recipients who have been receiving welfare benefits for more than 5 years?

(Multiple Choice)
4.8/5
(30)

In Excel's Histogram tool,how are bins defined?

(Essay)
4.8/5
(38)

A _____ can take on any real value over a specified interval of real numbers.

(Multiple Choice)
4.7/5
(34)

What are the rules that apply when calculating probabilities of events?

(Essay)
4.9/5
(34)

In ANOVA,by dividing the mean square between groups by the mean square within groups,a(n)_____ statistic is computed.

(Multiple Choice)
4.9/5
(41)

The rejection region is chosen so that the probability of the test statistic falling into it,if H0 is true,is _____.

(Multiple Choice)
4.9/5
(41)

The collection of all possible outcomes of an experiment is called an event.

(True/False)
4.7/5
(43)

Distributions with values of coefficient of kurtosis (CK)greater than 3 are more peaked with less dispersion.

(True/False)
4.7/5
(38)

A typical group is selected from the population,and a random sample is taken from within the group.This is an example of _____ sampling.

(Multiple Choice)
4.9/5
(30)

All else being equal,as the confidence level increases,the confidence interval becomes larger?to provide higher levels of assurance that the interval contains the true population parameter.

(True/False)
4.9/5
(35)
Showing 81 - 94 of 94
close modal

Filters

  • Essay(0)
  • Multiple Choice(0)
  • Short Answer(0)
  • True False(0)
  • Matching(0)