Statistics

______________ can be explained as category of mathematics that is used for summarizing, interpreting, and analyzing the things we observe to bring meaning or make sense to things we observe.

• Probability

• Statistics

• Algebra

• Programming

The entire group of individuals or objects a researcher is interested in studying.

• Population

• Sample

• Parameter

• Statistics

A subset of the population that is selected for analysis

• Population

• Sample

• Statistic

• Parameter

A statistical procedure used to determine whether a hypothesis about a population parameter is supported by the sample data

• Statistic

• Parameter

• Hypothesis Testing

• Confidence Interval

Interval of values likely to encompass the true value of a population parameter with a specified level of confidence

• Statistic

• Parameter

• Hypothesis Testing

• Confidence Interval

What is the mean of the following numbers: 5, 10, 15, 20?

• 15

• 25

• 12.5

• 17.3

What is the median of the following set of numbers: 3, 6, 9, 12, 15?

• 3

• 9

• 15

• 21

What is the mode of the following data set: 2, 3, 4, 4, 5, 6, 6, 6?

• 5

• 2

• 4

• 6

You have a bag containing 5 red marbles, 3 blue marbles, and 2 green marbles. What is the probability of randomly selecting a red marble?

• 0.5

• 0.3

• 0.2

• 0.7

Branch of statistics that involves making inferences or predictions about a population based on the analyses of a sample.

• Descriptive Statistics

• Inferential Statistics

• Probability

• Algebra