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Inferential Statistics Module Introduction

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Inferential Statistics Module Introduction

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Questions and Answers

Why do inferential statistics only provide an estimate of population data?

Because the sample data is not an exact representation of the entire population. (correct)

Because probability is limited in inferential statistics.

Because exact population data is difficult to obtain.

Because inferential statistics are not accurate.

What is the main reason why probability is used in statistics?

To provide exact values of the population data.

To simplify complex statistical calculations.

To ensure 100% accuracy in estimates.

To make reasonable estimates with limited certainty. (correct)

What will the first session of this module focus on?

Advanced statistical techniques.

Inferential statistics.

Basic concepts of probability. (correct)

Permutation and combination.

Why do statisticians talk in terms of probability when certainty is limited?

To make reasonable estimates about uncertain data. Signup and view all the answers

What does the broad agenda of the session cover?

Basic concepts of probability and its properties. Signup and view all the answers

What is the main purpose of inferential statistics?

To make inferences about a population based on a sample Signup and view all the answers

Why do analysts sometimes work with a smaller sample of data instead of the entire dataset?

To save time and resources Signup and view all the answers

In the scenario mentioned about Amazon, why did the QC department check a sample of 1,000 products?

To determine the defect rate for all products Signup and view all the answers

What does EDA stand for in the context of data analysis?

Exploratory Data Analysis Signup and view all the answers

When data analysts spend most of their time on EDA, what are they primarily focused on?

Exploring and deriving insights from data Signup and view all the answers

What distinguishes inferential statistics from descriptive statistics?

Inferential statistics makes inferences about populations. Signup and view all the answers