IET 43640 MIDTERM EXAM ACTUAL 2025/2026 QUESTIONS
AND ANSWERS VERIFIED A+ PASS.
what does "specification limits" or "spec limits" refer to?
-total variation actually measured from the process
- variation allowed by the specification
- voice of the process
- voice of the customer - --Answers---voice of the customer
in order to calculate a process capability index (Cp), what two
factors must be known about the process?
-the process average and process control spread
- specification limits and the standard deviation
- process standard deviation and Z value
-process confidence interval and process average - --
Answers---specification limits and the standard deviation
what is often the definition of process capability?
-the way to determine the key process indicator
-description of a process in steps and decisions
- variability of a process compared to requirements - --
Answers---variability of a process compared to requirements
when a process is not centered relative to specifications,
which of the following statements is true?
-Cpk is the larger value in comparison to Cp
,-Cpk is the smaller value in comparison to Cp
-Cpk is equal to Cp when the population is not centered - --
Answers---Cps is the smaller value in comparison to Cp
why is the normality assumption essential to the interpretation
of the capability index?
-because only normal distributions are capable of statistical
control
-because a spread of 6 standard deviations represents 77% of
cases
-because the specifications are always explained by the bell
curve
- because the normal distribution always has a mean of zero -
--Answers---because only normal distributions are capable
of statistical control
a scientist wants to understand if daily calorie intake of a test
animal is intermittent. what type of SPC chart should she
apply?
- U chart
- X bar and R chart
- P chart
- individuals and moving range chart - --Answers---
individuals and moving range chart
, a commuter to campus averages about 15 minutes per day.
however, one day it takes 45 minutes to get there due to a
blizzard. what type of variation is being exhibited?
- special cause variation
- common cause
- measurement cause variation
- both common and special variation - --Answers---special
cause variation
a publisher wants to understand the number of errors per
page a printer, on the same book, being producing in a printing
process. what type of SPC chart should they apply?
- X bar and R chart
- P chart
- X bar and S chart
- C chart - --Answers---C chart
a LSS team wants to collect data on the cycle time for a
process using SPC. they are debating if they want to collect
the data per hour, day, or week. what is the issue with regard
to SPC that they are discussing?
- operational definition
- bias
- rational subgrouping
- business case rationale - --Answers---rational subgrouping
AND ANSWERS VERIFIED A+ PASS.
what does "specification limits" or "spec limits" refer to?
-total variation actually measured from the process
- variation allowed by the specification
- voice of the process
- voice of the customer - --Answers---voice of the customer
in order to calculate a process capability index (Cp), what two
factors must be known about the process?
-the process average and process control spread
- specification limits and the standard deviation
- process standard deviation and Z value
-process confidence interval and process average - --
Answers---specification limits and the standard deviation
what is often the definition of process capability?
-the way to determine the key process indicator
-description of a process in steps and decisions
- variability of a process compared to requirements - --
Answers---variability of a process compared to requirements
when a process is not centered relative to specifications,
which of the following statements is true?
-Cpk is the larger value in comparison to Cp
,-Cpk is the smaller value in comparison to Cp
-Cpk is equal to Cp when the population is not centered - --
Answers---Cps is the smaller value in comparison to Cp
why is the normality assumption essential to the interpretation
of the capability index?
-because only normal distributions are capable of statistical
control
-because a spread of 6 standard deviations represents 77% of
cases
-because the specifications are always explained by the bell
curve
- because the normal distribution always has a mean of zero -
--Answers---because only normal distributions are capable
of statistical control
a scientist wants to understand if daily calorie intake of a test
animal is intermittent. what type of SPC chart should she
apply?
- U chart
- X bar and R chart
- P chart
- individuals and moving range chart - --Answers---
individuals and moving range chart
, a commuter to campus averages about 15 minutes per day.
however, one day it takes 45 minutes to get there due to a
blizzard. what type of variation is being exhibited?
- special cause variation
- common cause
- measurement cause variation
- both common and special variation - --Answers---special
cause variation
a publisher wants to understand the number of errors per
page a printer, on the same book, being producing in a printing
process. what type of SPC chart should they apply?
- X bar and R chart
- P chart
- X bar and S chart
- C chart - --Answers---C chart
a LSS team wants to collect data on the cycle time for a
process using SPC. they are debating if they want to collect
the data per hour, day, or week. what is the issue with regard
to SPC that they are discussing?
- operational definition
- bias
- rational subgrouping
- business case rationale - --Answers---rational subgrouping
