WGU C207 STUDY GUIDE MODULE 3 & 4 Exam Questions and Answers
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WGU C207
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WGU C207
WGU C207 STUDY GUIDE MODULE 3 & 4
Exam Questions and Answers
trend -Answer-is a general direction in which something is developing or changing
analysis of variance (ANOVA) -Answer-verifies if multiple populations of data are the
same or at least one is different than the others.
cyclicality -A...
WGU C207 STUDY GUIDE MODULE 3 & 4 Exam Questions and Answers trend -Answer -is a general direction in which something is developing or changing analysis of variance (ANOVA) -Answer -verifies if multiple populations of data are the same or at least one is different than the others. cyclicality -Answer -describes results that go up and down periodically, but don't necessarily follow the calendar homoscedasticity -Answer -assumes that the variance of a dependent variable is consistent across the range of values median -Answer -is the midpoint value of a group of measurements statistical population -Answer -is a group of observations that have something in common mean -Answer -is the average of a group of measurements heteroscedasticity -Answer -is the assumption that the variance of a dependent variable changes across the range of values dependent variable -Answer -is calculated from the value of the other variables in an equation irregularity -Answer -occurs when there is a one -time unusual measurement in a process seasonality -Answer -describes variability in a process that occurs at the same time of year each year autocorrelation -Answer -describes events whose probability of occurring depends upon the events that occurred previously random variation -Answer -describes the variability that occurs in events for which we have no explanation independent variable -Answer -is a variable in an equation to which we can assign a specific value outlier -Answer -is a measurement that is very different than other measurements of similar events mode -Answer -is the most common measurement of a group of events T -Answer -Linear Programming finds a maximum or minimum solutions in a situation that has various constraints T -Answer -If we are analyzing which among three equipment options for a new office would be the best choice, we might use Crossover Analysis F -Answer -In a Crossover Analysis considering three options, every crossover point is essential to our analysis F -Answer -Break -even Analysis requires only fixed and variable cost information F -Answer -The Mean can be found on the left, middle or right portions of a Normal Curve T -Answer -The Average and the Mean are synonyms T -Answer -ANOVA (Analysis of Variance) helps us determine statistical differences between groups of data F -Answer -The Z -test is the key statistic for an ANOVA analysis T -Answer -Regression Analysis creates a "Best Fit" line for a set of data F -Answer -Time Series Analysis requires finding the best experts who will predict what is coming in the future
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