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Data Scientist# Birinder Singh Integra Team

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**Birinder Singh**Integra Team

Data Scientist

# If I am using all features of my dataset and I achieve 100% accuracy on my training set, but ~70% on validation set, what should I look out for?

If I am using all features of my dataset and I achieve 100% accuracy on my training set, but ~70% on validation set, what should I look out for?

**Birinder Singh**Integra Team

Data Scientist

# To test linear relationship of y(dependent) and x(independent) continuous variables, which of the following plot best suited?

To test linear relationship of y(dependent) and x(independent) continuous variables, which of the following plot best suited?

**Birinder Singh**Integra Team

Data Scientist

# Which of the following indicates a fairly strong relationship between X and Y?

Which of the following indicates a fairly strong relationship between X and Y?

**Birinder Singh**Integra Team

Data Scientist

# What is the Harmonic mean of precision and recall known as?

What is the Harmonic mean of precision and recall known as?

**Birinder Singh**Integra Team

Data Scientist

# In a simple linear regression model (One independent variable), If we change the input variable by 1 unit. How much output variable will change?

In a simple linear regression model (One independent variable), If we change the input variable by 1 unit. How much output variable will change?

**Birinder Singh**Integra Team

Data Scientist

# How does number of observations influence overfitting? Choose the correct answer(s)

How does number of observations influence overfitting? Choose the correct answer(s)

**Birinder Singh**Integra Team

Data Scientist

# Which one of the statement is true regarding residuals in regression analysis?

Which one of the statement is true regarding residuals in regression analysis?

**Birinder Singh**Integra Team

Data Scientist

# Q: What are the assumptions required for linear regression?

Q: What are the assumptions required for linear regression?

Questions

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