Deck 2: Quality Improvement Tools and Procedures

Question 1

Which of the following is a pictorial representation of a frequency distribution?

A) Pareto chart
B) Fishbone chart
C) Histogram
D) Scatter plot

Answer 1

C
A histogram is a data display tool in the form of a bar graph that often plots the most frequent occurrence of a quantity in the center.

Question 2

Which of the following terms best describes the average set of observations?

A) Mean
B) Median
C) Mode
D) Varian

Answer 2

A
The mean is the calculated average set of observations.

Question 3

The range of variation around the mean is called

A) variance.
B) standard deviation.
C) percentile.
D) range.

Answer 3

B
The standard deviation is the range of variation or dispersion of a set of values surrounding the mean.

Question 4

A procedure to identify potential failure within a system is

A) SWOT
B) FMEA
C) Six Sigma
D) FOCUS-PDCA

Question 5

A cause-and-effect diagram is also known as which of the following?

A) Fishbone chart
B) Pareto chart
C) Trend chart
D) Scatter plot

Question 6

How many basic steps are involved in the creation of a TPM?

A) 3
B) 5
C) 7
D) 10

Question 7

Which of the following is not a tool for data presentation?

A) Control charts
B) Brainstorming
C) Pareto charts
D) Cause-and-effect diagrams

Question 8

Which of the following terms best describes variables that have only two values or choices?

A) Continuous variables
B) Dichotomous variables
C) Stochastic variables
D) Statistical variables

Question 9

Which of the following terms best describes a chart that pictorially demonstrates whether key indicators are moving up or down over a given period of time?

A) Histogram
B) Pareto chart
C) Trend chart
D) Scatter plot

Question 10

The number of items actually measured from a population is called a

A) sample.
B) data set.
C) frequency.
D) range.