# Shared Flashcard Set

## Details

stats
d
13
Accounting
12/13/2011

Term
 5 whys
Definition
 used to investigate a specific failure to find problem and root cause
Term
 cause and effect diagram
Definition
 x's are people, equipment, measurement, methods, environment, materials, and y is effect
Term
 scatter plot
Definition
 used to see if relationship between two factors
Term
 pearson coefficient
Definition
 used to measure strength of any correlation found,
Term
 coefficient ranges
Definition
 +1 strong 0 no correlation, -1 strong inverse correlation
Term
 p-value on coeffecient
Definition
 less than .05 then correlation exists, greater than .05 no correlation exists
Term
 regression analysis
Definition
 devlping mathimatical model to represent ur data
Term
 fitted line plot
Definition
 performing simple regression, response y, predictor x
Term
 equation and what each means
Definition
 y=b0+b1x, y=effect, x=cause, b1 slope, b0=yintercept
Term
 regression equation p value
Definition
 greater .05 then input variable does influence process out, less .05 then it does not influence
Term
 r squared
Definition
 indicated that input variables account for percentage of variation. <50% not strong
Term
 when graphing first
Definition
 fitted line plot and check for strength of relationship,
Term
 when graphing second
Definition
 check p values, check r2 for lurking variables, 4 in 1 residual plot, regression analysis
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