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Data Analyst Interview Questions

Data Analyst Interview Questions

Every business collects data, and it's the job of the data analyst to analyze, interpret, and communicate that information in a way that will help drive company decisions. Employers will be looking for candidates with strong technical skills as well as a knack for conveying data in an easy to understand way. Expect a fair number of technical questions, which may include an analytical case study and a math brainteaser.

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Case interview: basic business problem (if product X costs Capital One $4.00 per unit, with a $800 sunk cost, and we charge X amount of dollars along with a $10 annual fee, how many do we need to sell to break even, etc). Followed by a longer discussion of more complex problems that the situation might entail.

5 Answers

Mostly algebra, basic economics, and common sense.

total cost= 4x + 800 total income= x^2 + 10x to break even: 4x + 800 = x^2 + 10x solving for x by evaluating the quadratic equation above, x ~= 25.45 To break even, 26 units must be sold

Why is x^2?

If you have a 5*5*5 cubic, what is the outside surface area?

3 Answers

If you have 10 bags of marbles with 10 marbles each and one bag has marbles that weigh differently than the others, how would you figure it out from one weighing

6 Answers

What are 5 uncommon uses of a brick, not including building, layering, or a paper-weight?

7 Answers

Estimate how many shoes can be sold in US in one year?

4 Answers

case study: credit card insurance profit per customer cost of mailing $0.5, response rate 1%, average balance per month $1000, insurance charges 1% of average balance monthly, customer claim rate 5% (once insured customer files a claim, the balance will be wiped and C1 lose $1000). Question: profit per customer, graph claim rate vs response rate, graph profit vs response rate and find the response rate for maximum profit (r=1%)

3 Answers

Tell me about a time when you couldn't meet a deadline?

4 Answers

Given a plot of land and $250,000, what can you do to maximize your revenue and what kinds of data would you look at to do so?

4 Answers

One of the questions from the second behavioral interviews: "Tell us about a time (job-related) when you made an unpopular decision, and despite everybody's doubts, your decision turned out to be the right one."

3 Answers

I was aske to specify as many ways to return the rowcount in the table.

3 Answers
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