Multiple Choice
Which of the following statements is true with regard to the proportion of normally distributed data and number of standard deviations from the mean?
A) The percentage of data from the mean to one standard deviation to the left of the mean is 42%.
B) The percentage of data from the mean to two standard deviations to the right of the mean is 68%.
C) The percentage of data within three standard deviations (plus/minus) from the mean is about 99%.
D) The percentage of data within one standard deviations (plus/minus) from the mean is about 95%.
Correct Answer:
Verified
Correct Answer:
Verified
Q32: The most frequently used control charts for
Q33: When we need to be particularly sure
Q34: A sampling distribution _.<br>A)describes the randomness of
Q35: The greatest impact on a product's quality
Q36: Common cause variations _.<br>A)are the result of
Q38: In a histogram,meaningful information is provided by
Q39: In designing control charts,companies usually use _.<br>A)two
Q40: Two commonly used measures to calculate the
Q41: Parameter design focuses on _.<br>A)determining the optimal
Q42: Quality improvement tools and techniques that managers