KSA Data Analysis & Reporting 2

Question 1

When writing a KSA statement about data analysis, which element best demonstrates your ability?

Accepted Answer

A specific example showing the problem, your actions, and a measurable result

Answer

Rating panels score KSA responses on concrete examples with actions and quantifiable outcomes.

Question 2

Which measure of central tendency is least affected by extreme outliers?

Accepted Answer

Median

Answer

The median depends on rank order, so extreme values do not shift it much.

Question 3

An analyst finds that ice cream sales and drowning incidents rise together. What is the best interpretation?

Accepted Answer

Both are likely driven by a third factor such as hot weather

Answer

Correlation does not imply causation, and a confounding variable like temperature explains both.

Question 4

Which chart type is best for showing the trend of monthly case backlog over two years?

Accepted Answer

Line chart

Answer

Line charts display change over continuous time most clearly.

Question 5

Before analyzing a newly received dataset, what should you do first?

Accepted Answer

Inspect and clean the data for missing values, duplicates, and errors

Answer

Data quality problems undermine every downstream conclusion, so validation comes first.

KSA - Knowledge, Skills, and Abilities Practice Test