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posted on 8 Aug 2017
I was interviewed in Jul 2017.
Web standards are essential for SEO optimization. They ensure a website is accessible, user-friendly, and search engine-friendly.
Adhere to HTML and CSS standards to ensure proper website structure and formatting.
Use semantic markup to provide clear and meaningful content hierarchy.
Optimize website loading speed by minimizing code and using efficient techniques.
Ensure responsive design to provide a seamless user experie...
To decrease the loading time of a website, methods like optimizing images, minifying CSS and JavaScript, enabling browser caching, and using a content delivery network (CDN) can be applied.
Optimize images by compressing them and using the appropriate file format (e.g., JPEG for photos, PNG for graphics)
Minify CSS and JavaScript files by removing unnecessary characters, spaces, and comments
Enable browser caching to stor...
I applied via Referral and was interviewed before Mar 2022. There were 3 interview rounds.
Basic coding questions And logical questions
Simple program for mathematics
I applied via Referral and was interviewed before Feb 2023. There were 2 interview rounds.
Linear regression assumptions include linearity, independence, homoscedasticity, and normality.
Linearity: The relationship between the independent and dependent variables is linear.
Independence: The residuals are independent of each other.
Homoscedasticity: The variance of the residuals is constant across all levels of the independent variables.
Normality: The residuals are normally distributed.
Example: If we are predict...
Multicollinearity is a phenomenon in which two or more predictor variables in a regression model are highly correlated.
Multicollinearity can lead to unstable estimates of the coefficients and make it difficult to determine the effect of each predictor variable on the outcome.
One way to tackle multicollinearity is to identify the highly correlated variables and consider removing one of them from the model.
Another approa...
Time series analysis components include trend, seasonality, cyclicality, and irregularity.
Trend: Long-term movement or direction of the data.
Seasonality: Regular patterns that occur at specific intervals.
Cyclicality: Repeating patterns that are not necessarily at fixed intervals.
Irregularity: Random fluctuations or noise in the data.
Examples: Trend in stock prices, seasonality in retail sales, cyclicality in economic c
Preventive measures for regression assumptions not met
Check for multicollinearity among independent variables
Transform variables if they are not normally distributed
Consider using non-parametric regression methods
Use robust regression techniques to handle outliers
Collect more data to improve model performance
Handling missing values is crucial in data analysis. Various techniques like imputation, deletion, or prediction can be used.
Use imputation techniques like mean, median, mode to fill in missing values.
Consider using predictive modeling to estimate missing values based on other variables.
Delete rows or columns with a high percentage of missing values if they cannot be accurately imputed.
Use advanced techniques like K-ne...
Tuple is immutable and fixed in size, while list is mutable and can change in size.
Tuple is created using parentheses, while list is created using square brackets.
Tuple elements can be of different data types, while list elements are usually of the same data type.
Tuple is faster than list for iteration and accessing elements.
Example: tuple = (1, 'a', True), list = [1, 2, 3]
Outliers can be detected using statistical methods like Z-score, IQR, or visualization techniques like box plots.
Calculate Z-score for each data point and identify points with Z-score greater than a certain threshold (usually 3 or -3).
Use Interquartile Range (IQR) to identify outliers by determining data points that fall below Q1 - 1.5 * IQR or above Q3 + 1.5 * IQR.
Visualize the data using box plots and identify points...
I applied via LinkedIn and was interviewed before Mar 2023. There were 3 interview rounds.
Written test covering economic questions
I applied via Referral and was interviewed in Apr 2023. There were 4 interview rounds.
I applied via Naukri.com and was interviewed in Mar 2022. There were 2 interview rounds.
I applied via Company Website and was interviewed before Feb 2023. There were 3 interview rounds.
Why you , why the company, why this job
Writing test that was allowed to take home
Fit test with head of department
I applied via Company Website and was interviewed before Mar 2023. There were 2 interview rounds.
MMM questions. Statistics. Background of education
I applied via Referral and was interviewed before Apr 2023. There were 3 interview rounds.
Marketing Research, Advertisement companies
I applied via Campus Placement and was interviewed before Apr 2023. There was 1 interview round.
Regression is a statistical technique used to understand the relationship between a dependent variable and one or more independent variables. Multicollinearity occurs when independent variables in a regression model are highly correlated.
Regression helps in predicting the value of the dependent variable based on the values of independent variables.
Multicollinearity can lead to issues in interpreting the coefficients of...
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Gallagher
Canara HSBC Life Insurance
Life Insurance Corporation of India
Bank of Baroda