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Explain Data Exploration? Data exploration means exploring the application data for future analysis of the application. A data analyst finds the business problem by analyzing the data from the application and improves the process by going through clients’ requirements.
Explain the data preparation process. Data preparation is basically when the analyst receives the raw format of any data from a particular source or its client and then the analyst process it to find out missing values and variables so that it helps to model the data format.
What are different types of Hypothesis testing? T-test Chi-Square Test for Independence Analysis of Variance Welch’s T-test
Explain Chi-Square Test These tests have been used to figure out the importance of the relationship between categorical variables in the population sample.
Explain ANOVA ANOVA or Analysis of variance is a kind of hypothesis testing that is used to analyze the difference between the medium in various groups of data set.
What is Imputation? It’s a process where the missing data of an application is filled with substituted values.
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