Associate data scientist Interview Questions in United States

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

Traveloka

How do you price Options? (Because I said my favourite subject at school was Option Pricing)

1 Answers

Briefly explained Assumptions and Methodology of Time Value of Money and Black Scholes Model. 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

Mintel

What activation function would you use on a single layer neural net for regression?

1 Answers

None, the value of the function itself.

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

Google

Difference between the joins like outer join and inner join?

1 Answers

You can specify how you want the data from tables to be joined in many ways, one of which is the type of join. ... The major difference between inner and outer joins is that inner joins result in the intersection of two tables, whereas outer joins result in the union of two tables. Less

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