Question

Choose the best definitions of parameter and statistic. A statistic is a variable that describes a sample and a parameter is a variable that describes a population. A parameter is an unknown characteristic of a group and a statistic is a known characteristic of a group. A statistic is a number that describes a population and a parameter is a number that describes a sample. A statistic is a number that describes a sample and a parameter is a number that describes a population. A parameter is a number that describes a population. A statistic is a number that is used to estimate a parameter.

Answer 1

Answer:

A statistic is a number that describes a sample and a parameter is a number that describes a population.

Step-by-step explanation:

The definition of "statistic" is:

A piece of data from a portion of a population.

The definition of "parameter" is:

A value that tells you something about a population.

Using these definitions, the correct answer to the question is that a statistic is a number that describes a sample and a parameter is a number that describes a population.

Answer 2

The correct option is A statistic is a number that describes a sample and a parameter is a number that describes a population.

What are parameters and statistics?

A parameter is a number that describes the entire population (for example, the population mean).

What is a statistic?

A statistic is a number that describes a sample (e.g., sample mean).

A few examples of statistics are:

• The percentage of 2000 people who support the death penalty, as determined by a random sample.
• The median salary of 850 Boston and Wellesley college students.
• Weights of avocados from a single farm's standard deviation.
• Average screen time of 3000 Indian high school pupils.

Hence, the correct option is A statistic is a number that describes a sample and a parameter is a number that describes a population.

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