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Data Science Interview Questions
Questions Answers Views Company eMail

What do you mean by p-value?

 162

What is the 80/20 rule?

 180

How decision tree algorithm is different from the random forest algorithm?

 196

What is the roc curve?

 183

What is the aim of a/b testing?

 143

Define naive bayes?

 157

How is data science different from data analytics?

 187

What is the 80/20 rule? Explain its importance in model validation?

 168

Explain box cox transformation?

 230

Explain the decision tree algorithm, and how is it different from the random forest algorithm?

 171

What is the svm algorithm?

 191

Explain the importance of 80/20 rule in model validation?

 191

Explain the term "data warehouse".

 158

What do you understand by ensemble learning?

 178

What do you understand by confusion matrix?

 173

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Un-Answered Questions { Data Science }

What do you mean by the term linear regression?

180

How are confidence intervals constructed and how will you interpret them?

175

You have two sorted array of integers, write a program to find a number from each array such that the sum of the two numbers is closest to an integer i.

194

What is term Pearson’s Correlation Coefficient?

204

Name commonly used algorithms.

197

State the difference between a validation set and a test set?

179

What packages are used for data mining in python and r?

176

What is a data science job?

235

Is macbook good for data science?

171

What is a jupyter notebook?

207

How do you work towards a random forest?

153

Describe the data analysis process.

179

What are Type 1 and Type 2 errors ?

175

How will you handle missing data ?

215

What is interpolation and extrapolation?

185

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