Statistics

A framework commonly used in Statistics ?

• PPCAD
• PPDCA
• PPDAC
• PDCAP

It is used to describe customer’s needs and their perceptions of your product or service?

• Voice of Process
• Voice Within
• Voice of Customers
• Voice of Truth

A type of sampling that samples are having equal probability to be selected without biasing in selection process?

• Systematic Sampling
• Rational Sub grouping
• Random Sampling
• Stratified Random Sampling

A type of sampling used when data collected is in real time or during process operation.?

• Systematic Sampling
• Rational Sub grouping
• Random Sampling
• Stratified Random Sampling

It defines exactly how you will go about collecting and recording data?

• Operational Stratification
• Operational Communication
• Operational Definition
• Operational Information

Identify the scales of measurement

Elapsed Time after a call measured in minutes.

• nominal

• ordinal

• interval

• ratio

Identify the scales of measurement

Technical Support Agent Name: Tim, Lisa, Barry, and Kevin.

• nominal

• ordinal

• interval

• ratio

Identify the scales of measurement

Work Week in a Period: WW1 , WW2, WW3 and WW4.

• nominal

• ordinal

• interval

• ratio

Identify the scales of measurement

Number of calls receive per Agent.

Tim : 3

Lisa: 0

Barry: 6

Kevin: 9

• nominal

• ordinal

• interval

• ratio

Identify the scales of measurement

Number of Periods in a Fiscal Year: Period 1, Period 2, Period 3 and so on.

• nominal

• ordinal

• interval

• ratio