Data Science Interview Questions
Questions Answers Views Company eMail

Define the term cross-validation

89

what the aim of conducting a/b testing?

96

What is the k-means clustering method?

119

Name various types of deep learning frameworks

132

State the difference between the expected value and mean value?

98

Explain auto-encoder

90

How do you overcome challenges to your findings?

104

Discuss normal distribution

95

Explain cluster sampling technique in data science

143

What is the importance of having a selection bias?

100

Explain the steps for a data analytics project

110

Treating a categorical variable as a continuous variable would result in a better predictive model?

97

Name three types of biases that can occur during sampling?

111

What is a recall?

74

Explain the method to collect and analyze data to use social media to predict the weather condition?

234


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Un-Answered Questions { Data Science }

What prior knowledge is required to become data scientist?

127


Could you explain how to define the number of clusters in a clustering algorithm?

77


What is the best programming language to use in data science?

116


How to solve multi-collinearity?

134


What is Survival Analysis?

125






Name various types of deep learning frameworks

132


Differentiate between supervised and unsupervised learning?

95


If you had to choose between the programming languages r and python, which one would you use for text analytics?

103


How to work towards a random forest?

105


What is association analysis?

98


How do you treat multicollinearity and heteroscedasticity in regression?

109


You have a bag with 6 marbles. One marble is white. You reach the bag 100 times. After taking out a marble, it is placed back in the bag. What is the probability of drawing a white marble at least once?

100


A building has 100 floors. Given 2 identical eggs, how can you use them to find the threshold floor? The egg will break from any particular floor above floor N, including floor N itself.

205


How will you check if an element 25 is present in a vector?

144


What is the central limit theorem and why is it important?

94