Q1easy
What is the "Data Lifecycle" in problem solving?
Back to Problem Solving & Analytical Skills
18 Questions Total
Data-Driven Problem Solving MCQs
Topic-wise practice questions for Problem Solving & Analytical Skills. Test your knowledge, check solutions on demand, and pace your preparation.
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Practice in Timed ModeQ2medium
A security log shows 10,000 failed login attempts from a single IP address in 1 minute. Using this data, what is the most appropriate automated action?
Q3medium
(Calculation / Stats) A startup has 5 employees with the following salaries: $30k, $30k, $40k, $50k, and $500k (the CEO). Which measure of central tendency provides the most realistic view of a "typical" employee salary?
Q4medium
What does the "GIGO" (Garbage In, Garbage Out) principle imply for a software engineer analyzing system logs?
Q5medium
(Calculation / Logic) A monitoring tool shows that your server memory usage is increasing by 100MB every hour, regardless of user traffic. Using this data, what can you predict?
Q6easy
"Sampling" is a data technique where you:
Q7medium
(Calculation / Logic) You are comparing two algorithms. Algorithm X: Success rate 99.9%, Cost $1000. Algorithm Y: Success rate 99.0%, Cost $10. If your app is a "Casual Game," which is the data-driven choice?
Q8medium
(Code-Logic / Data) A function is_outlier(value, mean, std_dev) returns True if a value is more than 3 standard deviations away from the mean. If mean = 50 and std_dev = 5, which value is an outlier?
Q9medium
(Code-Logic / Data) You are processing a list of temperature readings: [22, 25, NULL, 24, 300, 26]. Which data cleaning step is most critical before calculating the "Average Temperature"?
Q10easy
In data-driven problem solving, what is "Quantitative Data"?