Wpc 300 test - Study guides, Class notes & Summaries

WPC 300 TEST QUESTIONS AND CORRECT ANSWERS Which of the following chart type is generally not used for data exploration? - Answer- Forecast chart These kinds of graphs are used to show prediction over time. They are not used for describing the data. Which of the following is an example of ratio data - Answer- A person's body weight This indeed is an example of ratio data as the value of zero is meaningful. Which data type uses numbers as identifiers with no real meaning? - Answe...

WPC 300 FINAL EXAM 2024/2025 TEST BANK WITH 100+ PRACTICE QUESTIONS AND CORRECT ANSWERS (100% CORRECT VERIFIED ANSWERS) WPC 300 FINAL EXAM 2024 (LATEST) Target is examining their online sales data during the pandemic to understand what happened. Which kind of analytical technique are they using? - ANSWERDescriptive analytics Costco wants to know how to stock their warehouses for a future pandemic and are using current sales data to help them project the needs. Which kind of analytical...

WPC 300 FINAL EXAM (2023/24) || Questions & Answers (Graded A+) WPC 300 FINAL EXAM (2023/24) || Questions & Answers (Graded A+) What is the confidence interval when the level of significance is 0.07? - ANSWER - 0.930 The WPC Sports Company has noted that the size of individual "customer order" is normally distributed with a mean of $100 and standard deviation of $12. If a soccer team of 16 players were to make the next batch of orders, what would be the standard error of the mean? - AN...

WPC 300 Exam 2 () || With 100% Accurate Solutions WPC 300 Exam 2 () || With 100% Accurate Solutions Which of the following statements is true? a - experimentation is a way of analytical thinking b - analytical thinking is not based on facts c - using intuition is a way of analytical thinking d - heuristic thinking is slow - ANSWER - a - experimentation is a way of analytical thinking __________ refers to a bias that causes an individual to value an owned object higher than its mar...

WPC 300 Final Exam () || Complete Questions & Answers (Rated A+) WPC 300 Final Exam () || Complete Questions & Answers (Rated A+) Standard deviation of a normal data distribution is a _______. -measure of data shape -measure of data dispersion -measure of data quality -measure of data centrality - ANSWER - measure of data dispersion According to statistical notation, what does ∑ stand for? -to act as a summation operator -to represent sample statistics -to represent the number o...

WPC 300 Final Exam || With Questions & Answers (Rated A+) WPC 300 Final Exam || With Questions & Answers (Rated A+) What step of the bullet proof problem solving helps avoid making common decision-making biases? - ANSWER - Step 4: Build a work plan and time table Rule of 72 - ANSWER - The number of years it takes for a certain amount to double in value is equal to 72 divided by its annual rate of interest. Expected value - ANSWER - the average of each possible outcome of a future ev...

WPC 300 Final Exam (2024) || All Questions & Answers (100% Accurate) WPC 300 Final Exam (2024) || All Questions & Answers (100% Accurate) Which are useful principles for data visualization? - ANSWER - The graph suggests a possible true effect The central limit theorem states that even if the population is not normally distributed, the - ANSWER - distribution of the sample mean will still be normal when the sample size is large Which of the following is a Type-I error? - ANSWER - The...

WPC 300 Final Exam Review (2023/24) || All Questions & 100% Accurate Solutions WPC 300 Final Exam Review (2023/24) || All Questions & 100% Accurate Solutions An _________will actually do classification, regression, clustering, or association - ANSWER - Algorithm Supervised Learning - ANSWER - Learn with a labeled dataset • "Correct answer" is provided so there is an output variable • Data will be separated into training dataset and test dataset (or validation dataset) Unsupervis...

WPC 300 Comprehensive Exam || Questions & Solutions (Graded A+) WPC 300 Comprehensive Exam || Questions & Solutions (Graded A+) which elements are LEAST useful in storytelling with data ? - ANSWER - Sound effects Adding the grid line in the chart - ANSWER - decrease the data ink ratio Which of the following statements describes one of the basic principles for creating a good chart, as defined by Edward Tufte - ANSWER - The chart should tell a story Which of the following is a con...