Question - You had headcounts on Monday of 20 and Tuesday of 7 for a study of differences
in average police staffing across 3 adjoining precincts. You ran a chi-square study. You obtain a p-value
of less than :045. The Chi-Square test statistic has a value of 78.0 (greater than the table value of critical
chi-square for the F). What does your analysis show?
A - Not enough data was used
B - p is significant
C - p is NOT significant
D - p is borderline - CORRECT ANSWER✅✅B - p is significant
• P-value less than 0.05 and high Chi-square stat
• Over 5 data points counted each day
Question - You conduct a trend analysis. You find that R-square is over 0.8 and p-value is 0.023. What
does your analysis show? You had 3 years of monthly incidence rates.
A - High R-square is good fit and low p is significant
B - Not enough data was used
C - High R-square is good fit but p is NOT significant
D - R-square is Not a good fit but low p is significant - CORRECT ANSWER✅✅A - High R-square is good
fit and low p is significant
•P-value less than 0.05
• R-square greater than 0.5
• Over 30+ data points
Question - Part of our success was the new point of sale system. Our customer sales representatives
were trained in utilizing the system to data mine and apply new marketing techniques. They had to pass
their final exam with a 90% or higher. What type of test is this?
, A - Criterion referenced
B - Six Sigma
C - Test-Retest
D - Norm referenced - CORRECT ANSWER✅✅A - Criterion referenced
Key words: pass, 90% or higher
Question - An Organization seeks to shift its business strategy to development of new products for the
future while still growing sales of its current products. Which tool could help the company focus on both
its financial objective and growth of new products?
A - Net Promoter Score
B - Six Sigma
C - Results Based Management
D - Balanced Scorecard - CORRECT ANSWER✅✅D - Balanced Scorecard
Key words: strategy, focus on both, financial, growth
Question - There is an 70 percent chance of rain.
When it rains, there is a 10 percent chance of Todd walking to the store and there is also a 15 percent
chance of Todd having an umbrella. It is raining today. What probability principle will determine if Todd
will at least have his umbrella today?
A - Multiplication
B - Addition
C - Bayes
D - Combination - CORRECT ANSWER✅✅B - Addition
• There are two possibilities: walking