WGU C215 Study Guide - FINAL

WGU MBA - Data Driven Decision Making Leave the first rating Students also studied Terms in this set (84) Social SciencesBusiness Save WGU C215 Study Guide - FINAL 218 terms kenneth4831Preview WGU MBA First Half of Exams 1,295 terms ryanthestarkPreview WGU MBA Program C213 Accountin...49 terms alicia_cassellPreview

C207 -

188 term xsu For companies to attract and retain their best customers they need a complete portrait of who they are. To develop this portrait companies turn to...Statistics Analytics Management Science Histograms Analytics A manufacturer wants to maximize their factory output while specifically minimizing labor costs. What type of analytics might they employ to achieve this goal?Descriptive Analytics Predictive Analytics Prescriptive Analytics Diagnostic Analytics Prescriptive Analytics What type of data error that occurs in measurement is constant within a data set and is sometimes caused by faulty equipment or bias?Random Omission Outlier Systematic Systematic

An Educator develops a new standardized test to measure math skills of ninth graders. She has students in her home state of Ohio take the test. If the test is to be used on a national level, what type of error might be found in her data?Omission Error Systematic Error Measurement Bias Information Bias Measurement Bias A city government is trying to determine the national origins of its recent immigrant population. If a survey of the immigrant population is conducted in English what type of error might be present in the data?Random Omission Outlier Accuracy Omission The use of Big Data is increasingly important to businesses in competitive markets. Which of the following characteristics is not true of big data?Requires the use of analytics Contains structured data Contains unstructured data Can be analyzed with traditional spreadsheets Can be analyzed with traditional spreadsheets The Davenport-Kim three-stage model consists of framing the problem, solving the problem, and communicating results. Which two of the following are part of framing the problem stage?Determine the scope of the problem Data collection Review of previous findings Presenting a recommendation Determine the scope of the problem Review of previous findings A healthcare provider is researching blood glucose levels before and after exercising. What two elements should be part of any experimental study such as this?Treatment procedures Patient observation Statistical validity Experimental response Experimental response Treatment procedures

Runners cover 26.2 miles in the Olympics marathon. What level of measurement is this?Nominal Ordinal Interval Ratio Ratio What level of measurement is the type of cars produced in Ford factory?Nominal Ordinal Interval Ratio Nominal What level of measurement is this the 10 best cities in the U.S. to retire in?Nominal Ordinal Interval Ratio Ordinal What level of measurement are women's dress sizes (2,4,6, etc.)?Nominal Ordinal Interval Ratio Interval A local school board is studying the impact of a proposed change in testing on math scores. Bias can be introduced into the study by both students and teachers.Which research technique would eliminate this type of bias?Observation study Blind study Cohort study Double blind study Double blind study A Company's product development team test 3 new car waxes by waxing 5 cars with each wax and then running them through a car wash. They then record number of washes it takes before the wax begins to deteriorate.What is the term for the five cars?The response The construct validity The experimental unit The treatment The experimental unit

An online retailer selling workout apparel has a large increase in sales during December and declares that their weekly newspaper ad resulted in higher sales. What misuse of statistics may the retailer have used in making this decision?Conscious Bias Missing Data Association and Causation Small Sample Size Association and Causation An educator collects eighth grade math scores from a local school and used this data to recommend curriculum changes for grades 8 - 12. What misuse of statistics may the educator have used in making this recommendation?Not a representative sample Conscious Bias Lack of Blinding Missing Data Not a representative sample An economist wishes to study the distribution of household income in a Midwestern city. He randomly selects a sample from 12 households. He notices two large incomes in his sample. Which measure best represents the middle of the incomes?Mode Median Variance Mean Median A cable company offers its customers both cable television and internet. What statistical rule should be used to determine the probability that customers will have both cable television and internet?Multiplication Bayes Theorem Combination Addition Multiplication