Wpc 300 exam questions - Study guides, Class notes & Summaries

Section A - Answer-Instructions: Use the following data file for this section Section A-Data [Dataset # 1]Preview the document Remember the honor code. This section is worth a total of 37.5 points. In addition to responding to multiple-choice questions, you need to submit an updated data file with your name appended to the front of the filename (e.g. firstname_lastname_filename). Create 2 new columns as follows: The first new column shows the outcome when you calculate the total sco...

For a normal distribution mean is ___ to median - Answer-equal Standard deviation of a normal distribution is a ___? - Answer-Measure of data dispersion Which of the following is an example of a measure of dispersion? - Answer-Variance Which of the following is an example of a sample? - Answer-The number of IT employees out of all employees working in an office of Google Which of the following describes the standard deviation? - Answer-it is the square root of the variance The dif...

WPC 300 EXAM QUESTIONS & ANSWERS 2023/2024 what is analytics? - ANSWER--Analytics is the process of developing actionable decisions or recommendations for actions based on insights generated from historical data -According to the Institute for Operations Research and Management Science (INFORMS) -Analytics represents the combination of computer technology, management science techniques, and statistics to solve real problems. Agile Approach * - ANSWER-perform business discovery- what is...

Which of the following violates the principle of data visualization? - Answer-The data-ink ratio should be higher than 1 When the lie-factor of a graphical chart is more than 1, - Answer-the size of the effect shown in the graph is bigger than the actual effect in the data. In for a chart to minimize graphical complexity, the data-ink ratio must be: - Answer-close to 1 Which are useful principles for data visualization? - Answer-The graph suggests a possible true effect Visualization...

WPC 300 Exam Questions & Answers 2023/2024 which of the following propostiton describes an existing theory or belief in a population - ANSWER-null hypothesis if the confidence level is 98%, what is the margin of error in your statistical test - ANSWER-2% the one-sample z-statistics is used instead of the one-sample t-statistics when - ANSWER-when sigma is known sample of size 25 are selected from a population with mean 40 and standard deviation 5. the mean of the sample mean distri...

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WPC 300 Final Exam Questions and Answers

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