True or False
True.
P-G-A stands for _________
Name 2 common graphical tools
Histograms, Pareto Chart, Time Series, Scatterplot, Boxplot and Graphical Summary.
What are the whiskers on a chi-square graph?
Nobody knows
Populations consist of every observation.
Samples are subsets of populations.
True
Testing the average performance of things is the most common _____ test.
Hypothesis test
What are the 3 critical to satisfaction components?
Cost, Quality and Delivery(Speed).
What is the average age for this sample?
54.43
These are the six categories of common human fears we talked about. Public Speaking, Flying, Spiders, Small/Tight Spaces, The Dark and Heights
False, bugs not spiders
Public Speaking, Flying, Bugs, Small/Tight Spaces, The Dark and Heights
____ are the best way to determine statistical differences between data sets.
Hypothesis tests.
What does SIPOC stand for?
suppliers, inputs, process, outputs and customers.
Does the mean BP of Males differ from the mean BP of Females?
No (2-sample t)
Confidence Interval Ranges are determined by population size, variation in the data and confidence or risk level.
False, Sample Size
Confidence Interval Ranges are determined by sample size, variation in the data and confidence or risk level.
Null Hypothesis assumes no ____.
No Difference. Null Hypothesis assumes no difference.
What is the definition of value?
It's done right the first time.
The customer cares that we complete that task: they are willing to pay for it.
What type of hypothesis test would show you this output?
Chi Squared % Defective
Confidence Interval Ranges
Wider Ranges are less desirable.
Narrower Ranges are more desirable
True
Data samples are used to estimate population characteristics and to calculate ______?
Sample Statistics.
Data samples are used to estimate population characteristics and to calculate sample statistics
Measures of Central Tendency are _______
Measures of Spread are ________
Mean and Median
Range and Standard Deviation
Is the average cholesterol statistically different than 250?
No - (1 Sample T Test)