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Did student SAT scores increase significantly after attending a SAT prep course? Provide the IV, DV, and best method of analysis.
What is the cost variance, schedule variance, cost performance index (CPI), and schedule performance index (SPI) for the project?
Which measure probably had more possible points on it? What additional piece of information would have helped to answer this question?
Examples for when each tool can be used for quality improvement
Explain why process capability is important and describe one way the company may measure its process capability of the product or service chosen.
Managers in the human resources department suspect that sick-day absentee rates are higher on some weekdays than others.
Excel provides users with the Solver Add-in, giving them super powers to solve linear, integer, and nonlinear optimization problems.
Using the scenario and two variables your learning team developed write a paper of 700 words in which the goal is to submit a random sampling plan
Would a normal model be useful to describe the total size of adjustments for all of the CPAs at this accounting firm?
Describe the role of statistics in business decision making.
Suppose cell H1 contains the variance of random variable Z. What formula would you type in cell H2 to compute the standard deviation from the variance?
How could you verify this? What are the managerial implications of a correlation between these variables?
Describe the full cost of preparing in your own kitchen a dinner for one consisting of salad (lettuce, tomatoes, and dressing).
From the 3 examples of random variables in life, discuss how would you go about collecting data to determine the mean and variance of each:
What are the types of reliability? Provide examples of the types of reliability as they apply to human services research or to human services management
Select one company or organization which utilized confidence interval technique to measure its performance parameters.
A customized milling operation uses the equation $200 plus $150 per hour to give price estimates to customers.
Assume the financing gurus of a weekend investment television program predicted a 50% chance of XYZ stock gaining in January.
Construct a 95 percent confidence interval for the difference between the proportions of service contracts sold on treadmills versus exercise bikes.
The data in the table below is from a study conducted by an insurance company to determine the effect of changing the process.
Consider tables, graphs, histograms, box plots, which one is more effective at bringing clarity to the information contained in the data?
Complete data collection of data while ensuring patient rights and legal boundaries
Management has asked you to help estimate the most likely cost per unit to produce a new product so that they can project profits at different selling prices.
Describe the rationale for utilizing probability concepts. Is there more than one type of probability? If so, describe the different types of probability.
Provide at least three examples or problem situations in which statistics was used or could be used.