Question

1. why is random sampling important in statistics?

a. to simplify calculations
b. to reduce bias and ensure a representative sample
c. to increase the number of samples
d. to include every member of the population

Explanation:

Random sampling gives each member of the population an equal chance of being selected. This helps in reducing bias and obtaining a sample that is representative of the entire population. It is not mainly about simplifying calculations, increasing the number of samples, or including every member of the population.

Answer:

B. To reduce bias and ensure a representative sample