Inferences and Statistics

Calculate the mean of the following numbers: 10, 15, 20, 25, 30

• 35

• 20

• 25

• 15

Identify the median of the following set of numbers: 5, 10, 15, 20, 25, 30

• 10

• 15

• 25

• 5

What is the purpose of statistics in data analysis?

• To create random patterns and trends

• To make the data look more complicated than it is

• To summarize and interpret data, make inferences, and identify patterns and trends.

• To confuse and mislead analysts

Calculate the mean of the following numbers: 12, 15, 18, 21, 24

• 16

• 18

• 22

• 20

Identify the median of the following set of numbers: 8, 12, 16, 20, 24, 28

• 20

• 12

• 24

• 16

Identify the mode in the following set of numbers: 5, 10, 10, 15, 20, 20, 20, 25, 30

• 20

• 30

• 25

• 15

Calculate the median of the following numbers: 8, 12, 16, 20, 24, 28

• 20

• 12

• 24

• 16

Which field of statistics with a goal is to make predictions, inferences, and generalizations about a population?

A numerical value that describes a characteristic of the sample.

Which among the statistical process includes the process of drawing out generalizations and conclusions based on the collected data, presented, and analyzed?

• Collection

• Organization and Presentation

• Analysis

• Interpretation