black-belt – black-belt – কুইজ মডেল টেস্ট অনুশীলন – 5

black-belt – black-belt – কুইজ মডেল টেস্ট অনুশীলন – 5

1102. Wilcoxon signed rank test is done for –

1. Test of mean
2. None of the above
3. Test of median
4. Both mean and median

1103. Which of the following is usually analyzed for positional, cyclical, and temporal variations?

1. cause and effect diagrams
2. SPC charts
3. multi-vari charts
4. run charts

1104. What is the risk priority number (RPN) for this FMEA with ratings for failure mode being severity = 9, occurrence = 2 and detection = 1?

1. 4
2. 6
3. 18
4. 12

1105. Which of the following below is the best understanding of “Identification & Validation of Causes”

1. Listing all probable causes behind problem
2. Reviewing with team member on problem definition
3. All of the above
4. Narrow down the problem definition

1106. Which term refers to the risk of a type I error in a hypothesis test?

1. Power
2. Beta risk
3. Confidence level
4. Level of significance

1107. Confidence intervals are a range or intervals that are likely to contain the values of ___________ of interest.

1. Confidence intervals
2. None of the above
3. Population parameters
4. Precisely estimation of parameter of interest

1108. In a Fabrication lab, the maintenance team wants to understand a correlation between the high and low pressure to start an old machine. For that two low pressure values of 40 and 60 psi are checked and for high pressure values of 120 and 280 are checked. What is the chi-squared value

1. 3.556
2. 2.987
3. 3.676
4. None of the above

1109. A black belt plans to test the performance of workers before and after training. Which of the following hypothesis tests should be used to determine whether the training actually improved the workers’ performance?

1. 2-sample t test
2. Paired t test
3. 2-sample z test
4. F test

1110. Which can be considered for a parametric test in following options

1. All of the above
2. ANNOVA
3. Z-Test
4. T-Test

1111. Which is not correct in reference to Cause and Effect analysis

1. Man-Machine
2. None of the above
3. Material-Environment
4. Methodology-Measurement

আমাদের কাছে থাকা লক্ষ লক্ষ মডেল টেস্ট থেকে প্রাকটিজের জন্য কিছু এখানে তুলে ধরা হল। প্রতিটি অধ্যায়ের উপরে ইশিখন.কম কুইজ চ্যালেঞ্জ এ আছে শত শত মডেল টেস্ট বার বার মডেল টেস্ট দিয়ে নিজেকে যাচাই কর এবং পুরো বাংলাদেশের সকল শিক্ষার্থীর সাথে আপনার মেধা তালিকা দেখুন। প্রশ্নে কোন প্রকার ভুল থাকলে সঠিক উত্তরসহ নিচে কমেন্ট করে জানাবেন, আমরা ঠিক করে দেবো।