Question: PART 1: Understanding the differences between populations and samples is critical to understanding the logic behind different calculations we will perform in this and later

PART 1: Understanding the differences between populations and samples is critical to understanding the logic behind different calculations we will perform in this and later chapters. Your text (Chapter 4) discusses why we use n-1 to calculate sample variance as compared to using N for the population variance.

1. Discuss, briefly, the significance of this modification in the calculations for finding the variance, and include how it relates to degrees of freedom.

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