HiveMinds Innovative Market Solutions Data Analyst Interview Questions and Answers

Naive Bayes is a probabilistic algorithm used for classification and prediction based on Bayes' theorem.

• It assumes that the presence of a particular feature in a class is unrelated to the presence of any other feature.

• It calculates the probability of each class based on the input features and selects the class with the highest probability.

• It is commonly used in spam filtering, sentiment analysis, and document classific...read more

Null hypothesis is used to test the significance of a statistical result.

• Null hypothesis assumes that there is no significant difference between two groups or variables.

• It is used to determine if the observed results are due to chance or not.

• If the p-value is less than the significance level, we reject the null hypothesis.

• Examples include testing the effectiveness of a new drug compared to a placebo, or comparing the m...read more

I would use a combination of primary and secondary research to find the sales of Rosogolla sweets in Kolkata.

• Conduct surveys and interviews with local sweet shop owners and customers

• Analyze sales data from major sweet shops in Kolkata

• Research online for articles and reports on the popularity of Rosogolla in Kolkata

• Compare sales data with other popular sweets in Kolkata

• Consider factors such as seasonality and festivals ...read more