Data Science

Linear Regression Interview Questions for Data Scientists

This page lists down 40 regression (linear/univariate, multiple/multilinear/multivariate) interview questions  (in form of objective questions) which may prove to be…

3 years ago

Most In-Demand Skills for Data Scientists in 2022

The data science field is growing rapidly and data scientists are in high demand. If you want to enter this…

3 years ago

One-sample Z-test for Means: Formula & Examples

One sample Z-test for means is one of the statistical techniques used for testing hypothesis related to whether the sample…

3 years ago

Z-tests for Hypothesis testing: Formula & Examples

Z-tests are statistical hypothesis testing techniques that are used to determine whether the null hypothesis relating to comparing sample means…

3 years ago

One sample Z-test for proportion: Formula & Examples

One proportion z-test or one-sample Z-test for proportion is one of the most popular statistical hypothesis tests dealing with one…

3 years ago

Z-test MCQs with Answers: Interview Questions

In this blog post, you can test your knowledge about Z-test, Z-statistics and related concepts through multiple choice questions (MCQs)…

3 years ago

Z-Score Explained with Ronaldo / Robert Example

In this post, you will learn the concepts of Z-Score with the help from examples including Christiano Ronaldo and Robert…

3 years ago

Different Success / Evaluation Metrics for AI / ML Products

In this post, you will learn about some of the common success metrics that can be used for measuring the…

3 years ago

Null and Alternate hypothesis: Definition & Example

Hypothesis testing is a technique used to determine whether an assumption about the population is true. Null hypothesis and alternate…

3 years ago

Normal Distributions Questions and Answers for Interviews

In order to be successful in normal distribution interviews, you need a solid understanding of the normal distribution. This blog…

3 years ago

Level of Significance & Hypothesis Testing

In hypothesis testing, the level of significance is a measure of how confident you can be about rejecting the null…

3 years ago

P-Value & Hypothesis Testing: Examples

Many describe p-value as the probability that the null hypothesis holds good. That is an incorrect definition. The concept of…

3 years ago

Type I & Type II Errors in Hypothesis Testing: Examples

This article describes Type I and Type II errors made due to incorrect evaluation of the outcome of hypothesis testing,…

3 years ago

Python – Matplotlib Pyplot Plot Example

Matplotlib is a matlab-like plotting library for python. It can create both 2D and 3D plots, with the help of…

3 years ago

Survival Analysis Modeling for Customer Churn

Customer churn is a prevalent problem for many businesses. It can happen in several different ways, such as when customers…

3 years ago

Elbow Method vs Silhouette Score – Which is Better?

In K-means clustering, elbow method and silhouette analysis or score techniques are used to find the number of clusters in…

3 years ago