Q.1
How many ways are there to represent the Cusum on the Cusum charts?
  • a) 3
  • b) 4
  • c) 2
  • d) 5
Q.2
Which of these is a name of any way to represent the Cusum charts?
  • a) Logarithmic
  • b) Algorithmic
  • c) Exponential
  • d) Normal
Q.3
The tabular Cusums are made to monitor the ____________ of the process.
  • a) Variance
  • b) Mean
  • c) Standard deviation
  • d) Capability
Q.4
Which of these is not one of the assumptions made for the construction of Tabular Cusum charts for the individual measurements?
  • a) The selected variable varies according to a lognormal distribution
  • b) The selected variable varies according to a normal distribution
  • c) The selected variable varies according to a binomial distribution
  • d) The selected variable varies according to an exponential distribution
Q.5
Which of these is not an assumption made for the construction of the tabular Cusum charts?
  • a) The selected variable varies on a normal distribution
  • b) The mean of the normal distribution is available
  • c) The estimate or the exact value of the standard deviation of the variable
  • d) The assumptions are very inconsistent with phase II application of SPC
Q.6
If the process standard deviation increases, how will the cusum chart for monitoring process variability indicate the out-of-control state?
  • a) The value of Si+ will increase
  • b) The value of Si+ will decrease
  • c) The value of Si– will decrease with decrease in the value of Si+
  • d) The value of Si– will increase
Q.7
Which of these is an indication of out-of-control process with low standard deviation?
  • a) Increase in the value of Si+
  • b) Decrease in the value of Si+ with increase in the value of Si–
  • c) Increase in the value of Si–
  • d) Decrease in the value of Si– with decrease in the value of Si–
Q.8
Who was the first person to recommend plotting the cusum charts for mean and standard deviation on same graph?
  • a) Hawkins
  • b) Roberts
  • c) Atkinson
  • d) Crowder
Q.9
If the deployment of the cusum is extended to the case of averages of the rational subgroups where sample size n>what will be done?
  • a) The value of xi be replaced by xi
  • b) The value of xi be replaced by xi
  • c) The value of Ci+ be replaced by value of Ci–
  • d) The value of Ci– be replaced by the value of Ci+
Q.10
If the value of C–i-1+S2+k is lesser than (-1), what will be the value of Ci– equal to?
  • a) Lesser than -1
  • b) Higher than 1
  • c) Lower than 0
  • d) 0
Q.11
The V-mask procedure was proposed by ___________
  • a) Crowder
  • b) Roberts
  • c) Brinson
  • d) Barnard
Q.12
Only the value of lower cusum can be negative.
  • a) True
  • b) False
Q.13
Tabular Cusums can be constructed for both, individual measurements, and the averages of the rational subgroups.
  • a) True
  • b) False
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