1. Given a sample size of 96 how precisely can we estimate a st dev of 0.15

2. Which control chart will you use if it is a variable data with subgroup size 7

3. This graphical test helps in identifying if the data is skewed or normally distributed.

4. You need to improve the quality of the product made in the assembly line, you need to do a

5. What does DOE stand for

6. A process with 691462 ppm is at a ___ sigma level

7. Which of these are under control process

8. Which of the below tool is used to prioritize the customer requirements

9. Cost benefit analysis does not include

10. Problem with spread is

11. Improve phase focuses at

12. In which case while doing Hypothesis testing will you accept the Alternate hypothesis

13. An Iphone go through a series of test before being passed for showroom. Test A= 100, Test B= 70, test C= 40, Test D= 20. Calculate classic yield

14. Which of these indicate an out of control process

15. The MSA system for discrete data is acceptable if

16. We need to check the mean of tablet hardness in a workshop, which test do we perform if the data is non normal

17. Which test is performed to check the normality of the data

18. Ensuring on time delivery is a part of

19. Control chart are same as run chart

20. VSM is a part of

21. Which of the below is a special cause for high AHT

22. If r=0, means

23. A run chart having 7 or more points with the same value in a sequence is referred as

24. The basic content of any good procedure or instruction should include:

25. This chart plots the person or dept. responsible for the process or activity

26. Which of the below tests needs to be performed before performing a 2 sample t test

27. _________Is generally the process owner and provides the overall vision to the 6sigma project

28. Which of the below analysis is used to check if the process is under control

29. Which of this is a special cause

30. You need to audit the electricity bills of consumers, hence you pick 10 bills for bill amount < 500, 500-1000, >1000

31. What does E stand for in SCAMPER tool for refining solution criteria

32. Calculate RPN when, Severity= 5, Detectability=5, Occurrence=5

33. Steps in implementing pilot are

34. GRR is used for data type

35. You need to change a process step in SAP to reduce the processing time, what will you do

36. Which of these is a best possible problem statement

37. Ishikawa diagram is also known as

38. You want to check if the production time for all 3 machines are equal, which test will you do

39. A smart phone with FM radio is_______ need

40. Which of these is an effect

41. A transaction is audited for 5 scope of errors, a sample of 250 claims are audited and 25 errors are found, calculate DPU

42. Which control chart will you use if it is a attribute data with same subgroup size for defects

43. Not usually in a full time process improvement positions

44. Specification limits are defined by

45. Aligning product designs with customer requirements is a part of

46. Cost Benefit analysis is done at

47. Evolution of ATM is a part of

48. Reducing idle time is

49. A loan can be rejected basis the 5 fields filled incorrectly on a form, a total of 120 applications are rejected out of 1000 in a month, calculate DPMO

50. Which of this used to find the top causes

51. Lack of escalation matrix comes under which type of cause

52. Which of these is a High Level Process Map

53. The most frequently occurring number in the data set is known as

54. If a plot has and absence of points near the center line with a sequence of fourteen or more points in a row alternating up and down it has a

55. Which of the below is a common cause variation for productivity in a workshop

56. You are supposed to check the IQ of a particular school students, you conduct an IQ test for all class monitors from each class to draw the conclusion. Which type of sampling did you use?

57. In which case will you reject the Null hypothesis

58. You want to check the mean of AHT of a process for all the 5 team leaders by analyzing the variances, which test will you perform

59. Which of these are under control process

60. Calculate the z value when LSL 300, mean is 322 and st dev is 39.05

61. You need to check the weight of students, so you called the top 10 tallest boy and girl to the playground for the test, which sampling did you use

62. Problem with centering and spread is

63. You need to check the weight of students, so you test all the students already available at the playground for the test, which sampling did you use

64. __________ is a decision to order the runs randomly, when there are concerns about the possibility of unknown external factors affecting variation

65. It is necessary to record in detail any unusual occurrences during the experiment (DOE)

66. Fractional factorial designs require more runs than full factorial designs given the same number of factors

67. ________________ design is a smart way to test relationships among factors efficiently with less time and resources & better results than through traditional one-factor-at-a-time experimentation

68. Collecting data is an important & critical step in DOE

69. What is the main reason for using a fractional design?

70. Full factorial and Fractional factorial are a part of _______

71. Balanced ANOVA tool is used to determine if factors have interaction

72. What are control charts?

73. _______ was the originator of the kanban method

74. The sample size of this type of control chart is "2" & plots the difference between two data consecutive points

75. A responsible person must be placed in charge of the control plan - in this case it may be ________

76. Maintain high standards of housekeeping and workplace organization at all times. This represents

77. A situation wherein the data points lie between the specification lines drawn on the control chart but display a specific trend is called

78. The following is not a document which provides directions to the employees on how to accomplish a task, who is responsible for performing the task, or how the company systems work.

79. In which case will you accept the Alternate hypothesis?

80. What is the purpose of hypothesis testing?

81. When rejecting the null hypothesis, the following needs to be done.

82. One where more of one input leads to less of another output is called

83. Which of the below approaches explains Deming Cycle

84. Which Role is responsible for leading a Six Sigma Project.

85. Rolled Throughput yield is used to depict the defects/wastes in every step of a process.

86. Cp is measure of process width divided by Voice of customer

87. Who is recognized as having created the Fish Bone Diagram

88. If P Value is greater than Alpha Value:

89. Hypothesis testing is used to validate assumptions on:

90. In a Six Sigma process the distance between the central value & LCL is

91. Which of the following measures is increased when process performance is improved?

92. A correlation analysis is used to provide a numeric value for which of the following types of relationships between two variables?

93. Which of the following tools is used to translate broad requirements into specific requirements?

94. When the sampling method used creates a difference between the result obtained from the sample and the actual population value, the different is known as

95. DFSS is used for

96. In SPC, the objective is

97. Performance of a process is at four sigma level. This implies

98. Hyper-geometric distribution is used to model

99. The sugar content of syrup in canned peaches is of interest. Suppose that the variance is thought to be 20 sq-mg. A random sample of 10 cans yields a sample mean of 75 mg and a sample standard deviation of 4.8 mg.
To test whether the mean sugar content can be assumed as 80 mg, we use

100. Given co-efficient of determination R-square = 0.90, which of the following is true?

101. In MINTAB, we get the value of p <0.05 during carrying out ANOVA. It means

102. What characteristics of a curve of distribution are important when analyzing a process for control and capability?

103. The standard deviation of a set of data:

104. When constructing a histogram to present dimensional data from a machining process, which one of the following would be plotted on the vertical axis?

105. The purpose of Randomization in experimentation is:

106. The purpose of the center points in the design is to:

107. The Six Sigma improvement program is significant to a company because:-

108. Which of the following statements is not true:-

109. Which of the following depicts an UNSTABLE process?

110. Which of the following combinations are valid tools to analyze sources of variation?

111. A control chart is used to:

112. The identification of key process input and output variables can come from i. DOE Results ii Customer survey iii ANOVA Methods iv Customer requirements

113. Elements of Project Charter are:

114. In an end-user satisfaction survey the respondent needs to mark his satisfaction on a scale of 1 to 9 where 9 indicates higher level satisfaction. The scale used is called:

115. In an inbound customer care program, one of the key competency metrics is AHT, the target being 5 minutes to a transaction. To keep a close eye on revenue, management tracks the number of transactions handles that went past the 5 minutes goal and consider each call as either "Lagged call" or "on time call". Type of this data would be:

116. Z-score is defined as:

117. Which of the control charts will you use to detect controllability of dispersion?

118. The number of sigma increment falling within the specification limits; a good indicator if you are conforming to a target.

119. Process Adherence per Employee, Internal Satisfaction, Certification Entitlement, Attrition are samples of:

120. A Japanese term that means classify, eliminate, and store items

121. Is used to compare distribution of different data sets by taking the key statistics from the data and summarize them in a box and whiskers format

122. Which of the following is a component of a visual factory?

123. In case of variation in results or the non-sustenance after implementation of improvements in work area, what approach the process owner should take in order to sustain the results

124. Positional, cyclical, and temporal variations are most commonly analyzed in

125. In a Fabrication lab, it was revealed over a study carried by designated team that the particle size of dust ranging from 5 to 10 micros are creating defects resulting in yield loss. So after understanding the problem Black belt team in conjunction with lab team installed an air shower path of 5 meters at the entrance gate through which every operator has to walk away for their respective work. Which lean tools would be most appropriately described here

126. What is the best stated in reference to significance of control charts.

127. Sam's Technologies Inc. produces computer chips for large medical and technological corporations. To determine the number of defective chips from each batch of inspected products, what type of chart should be mangers use?

128. Corrosion of Iron bar is an important criterion in affecting performance life of a tool, If the time of exposure along with atmospheric condition humidity and chemical concentrations have impact on corrosion, what are the number of experiments that need to be done to optimize the input settings?

129. If the number of runs required for a full-factorial experiment is cost-prohibitive, which of the following experiments would have the same number of variables but fewer runs?

130. _______________ is used to estimate the experimental error or to increase the precision.

131. The six sigma technique for identification of waste, is

132. Three answers are correct The factors which affect the SPC charts are

133. A characteristic of properly executed SPC includes which of the following: Two answers are correct

134. From the following, select those that are characteristics of a Lean Enterprise. Three answers are correct

135. Two answers are correct Every hypothesis test must

136. In DMAIC project methodology, the 'I' refers to the following:

137. In a normal distribution, kurtosis is related to

138. In Resolution V Experiments the main effects are confounded with four way interactions

139.   Please arrange the correct sequence of conducting a complete sequential experimentation:
A Response Surface Methodology
B Fractional Factorial
C Path of Ascent
D Confirmation Runs
E Full factorial

140. The following is a Poisson’s distribution

141. Based upon the Central Limit Theorem, the standard deviation of Xbars approaches a value equal to…

142. The English words used for the 5S’s are Sorting, Straightening, _____________ , __________ and Sustaining. Two answers are correct

143. If an experiment has 5 factors and no replicates for a 2-level Experimental Design with 16 experimental runs which statement(s) are correct?  Three answers are correct

144. How many experiments should be done in a Full Factorial design for 4 factors with 2 replicates for the Corner Points and no Center Points? The factors in the experiment are at two levels

145. For a normal distribution, when average ± k times standard deviation covers 95% area under the curve, then the value of k is

146. Plot versus fit is correct

147. Estimated Effects and Coefficients for Y (coded units)

Term       Effect     Coef  SE Coef      T      P

Constant            1.7913  0.03800  47.14  0.000

A          0.8275   0.4137  0.03800  10.89  0.000

B         -0.2825  -0.1412  0.03800  -3.72  0.014

S = 0.107483    PRESS = 0.147872

R-Sq = 96.36%   R-Sq(pred) = 90.68%   R-Sq(adj) = 94.90%

The Regression Equation is valid ?

 

148. The regression equation is

Rejection% = 84.2 - 65.7 Slip Density + 2.43 P1 + 15.6 Nozzle - 0.0793 organics

Predictor        Coef     SE Coef          T        P

Constant        84.21       59.05       1.43    0.204

Slip Den       -65.71       30.30      -2.17    0.043

Pressure       2.4340      0.2983       8.16    0.000

Nozzle         15.564       3.105       5.01    0.002

organics     -0.07932     0.02722      -2.91    0.077

S = 0.7430      R-Sq = 92.9%     R-Sq(adj) = 88.2%

Analysis of Variance

Source            DF          SS          MS         F        P

Regression         4      43.384      10.846     19.65    0.001

Residual Error     6       3.313       0.552

Total             10      46.697

Source       DF      Seq SS

Slip Den      1       2.230

P1            1      24.986

Nozzle        1      11.479

organics      1       4.689

Rejection% increases with increase in slip density ?

 

149. Interaction effect of A and B is significant?

150. For a fractional factorial experiment, the mathematical expression is 2 k-1. Therefore if we use 3 factors, then it would be 2 3-1 or 2 power 2 and there would be 4 runs and not 8