Home » Certification Exams Questions » Archive by category "LSSBB/ Lean Six Sigma Black Belt" (Page 10)

When should Mann Whitney Test be used?

OPTIONS If the data meets non-parametric testing conditions and if the data is divided into two independent samples If the data meets parametric testing conditions and if the data is divided into two independent samples If the data meets non-parametric testing conditions and if the...
Read More

What does ANOVA stand for?

OPTIONS Analysis of Variance Analysis of Variables Accuracy of Variance Analysis and Validation ANSWER Analysis of Variance EXPLANATION ANOVA stands for Analysis of Variance.
Read More

Find the probability of committing a Type II Error

If men having high blood sugar problems are diagnosed with Diabetes, with the mean blood sugar level to be 150 and a standard deviation of 10, and if any individual with blood sugar greater than 125 can be diagnosed with Diabetes, what is the probability...
Read More

Type 1 Error is known as:

OPTIONS False Negative False Positive True Negative True Positive ANSWER False Positive EXPLANATION Type I Error is said to be committed when you reject the Null Hypothesis although it was actually true. For example, the movie was good, but you came out and said the...
Read More

What is the opposite of NULL hypothesis?

ANSWER Alternate Hypothesis Not NULL Hypothesis Finite Hypothesis Fixed Hypothesis ANSWER Alternate Hypothesis EXPLANATION When the NULL hypothesis is rejected, Alternate Hypothesis is accepted. Alternate Hypothesis is considered the opposite of NULL hypothesis.
Read More

Hypothesis testing is usually done to:

OPTIONS statistically validate if a sample mean does belong to the population. statistically validate if the means of two groups are the same or if they are significantly different. statistically validate if variances of two groups are the same or if they are different. All...
Read More