Free Practice Mock Questions Set 36-40 (Quiz # 8) for CompTIA DA0-001 Exam, according to official CompTIA Data+ Certification Exam syllabus topic # 9
Analyze the values of X shown below
(2,2,5,6,7)
What is the modal value?
Answer : D
You are measuring how much a child has grown over the past year and would like to express that using a percentage.
What calculation is most appropriate?
Analyzing a data point, you find that the point is 1 standard deviation above the mean.
What is the z-score for this data point?
Answer : C
You would like to know whether the mean height of a group of children is statistically significantly different from that of another group.
What statistical test would be most appropriate?
Answer : B
What output from a statistical test is used when performing hypothesis testing?
