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Start learning 50% faster. Sign in nowThe correct answer is D
You are combining sales data from three different sources, each with slightly different column names for the same information (e.g., "Product_ID," "Prod...
Which of the following Python libraries is most appropriate for creating statistical visualizations such as violin plots and heatmaps?
What is the purpose of calculating an appropriate sample size in data analysis?
What is the primary risk associated with bias in sampling, and how can it be minimized?
What will be the output of the following C code?
#include < stdio.h >
void main ( ) {
int x = 10, y = 20, *p1 = &x, *p2 = &y;...
A data analyst is tasked with forecasting quarterly sales for the upcoming year based on the last five years of sales data. Which of the following metho...
You are analyzing sales data and notice missing values in some of the records. What is the most appropriate first step to take during the data analysis ...
In a min-heap, what is the complexity of removing the smallest element and restoring the heap property?
A company has a large dataset with a mix of numeric and categorical data. To ensure fair comparisons between variables, which data transformation techni...
Which type of data visualization is most useful for identifying the relationship between two continuous variables?
