Associate data scientist Interview Questions

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Merkle
Associate Data Scientist was asked...1 January 2021

Mostly situational.. guesstimate and SPSS related questions to mark proficiency in statictics and visualizations.

7 Answers

has anyone undergone the certification? please let me know

No I dont know anyone who has undergone this certification, even I tried finding out but was unable to search for someone within such a short time. Try texting those who already working in this position at Merkle on Linkedin. Less

I had a same situation. I guess this is a fake offer. No company will make you to do the course on your own money (before giving the offer) . I am also thinking of discontinuing Interview Less

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ZS Associates

mean or median which is bigger in left skew?

5 Answers

mean

median

in left skew mode>median>mean in right skew mean>median> mode

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Guidehouse

You have 8 marbles and a balance scale. One marble weighs more than the others, but you don’t know which one. How can you identify the heavier marble using only two weighs of the balance scale?

2 Answers

We put 3 marbles on each side of the scale for a total of 6 marbles that are being weighed. We leave 2 marbles off the scale. Then, we compare the 6 marbles… There are two possible outcomes: If one side is heavier than the other then we only have 3 marbles left. Then, in the second weighing, we can compare 2 of those 3 marbles to each other. If they are the same weight, then the 3rd is the heaviest. If one is heavier than the other, then we’ve succeeded in just two weighings. If, when comparing the 6 marbles, we find that both sides are equal, then we know that the heaviest marble has to be in the 2 marbles that are not on the scale. This means that we only have to compare on those 2 remaining marbles and we have the heaviest marble in only two weighings. Less

I wonder how they grade you if you use the simpler but slightly less effective method of going 4x4, then 2x2, then 1x1. Less

DeepTek Medical Imaging

Write a python code to solve the stock span problem.

1 Answers

You will find a solution on GFG.

Busigence Technologies

Discussion of the code developed during the first round.

1 Answers

Described the code in detail and answered accompanying questions.

Spotify

Write a Python method given an integer n that returns all of the prime numbers up to n.

1 Answers

for num in range(2,101): prime = True for i in range(2,num): if (num%i==0): prime = False if prime: print (num) Less

American Institutes for Research

Tell me a time you had to learn something new quickly.

1 Answers

I talked about being a battalion intel officer for an artillery battalion. I dove right in with a three week field exercise on my second day. Can’t learn anything staying in garrison. Less

Comscore

How would you validate an analysis you performed?

1 Answers

From the question, I am assuming how would you validate data analysis. Here are my answers: I usually perform exploratory data analysis from the given data to uncover many insights. through data, I would like to understand descriptive statistics. Write a summary of all observations, correlations of all variables, anomalies found, assumptions made, etc. Once my report is complete I validate with the subject matter expert to have a discussion on what the data is telling us so far and see if there are any surprises or intersections between analysis and SME's Less

Procter & Gamble

Tell me about a time where you demonstrated leadership.

1 Answers

Tell me about a time where you had tight deadlines.

Guidehouse

The average high temperature for x days is 70 degrees. the next day has a high temperature of 84 degrees, which raises the overall average to 72 degrees. what is the value of x

1 Answers

Setup problem: (70x + 84) / (x + 1) = 72 Solve for X -> 70x + 84 = 72x + 72 70x + 12 = 72x 12 = 2x 6 = x Less

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