Question

1. which error occurs due to the chance variation in the sample selected for a survey?

a. processing error
b. measurement error
c. bias
d. sampling error

Explanation:

• Processing Error: Occurs during data - handling stages like coding or data entry, not due to sample variation.
• Measurement Error: Arises from inaccuracies in measuring variables, not sample selection chance variation.
• Bias: Systematic error in sample selection (not due to chance variation).
• Sampling Error: Caused by chance variation in the sample selected (e.g., different samples from the same population may give different results just by random chance).

Answer:

d. Sampling Error