Which of the Following Is a Valid Variable Name in Python​

question 74

Multiple Choice

Which of the following is a valid variable name in Python​?

• A) ​first_name
• B) 76trombones
• C) ​class
• D) ​more$

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Definitions:

Estimators

Statistics obtained from sample data used to estimate population parameters.

Unbiasedness

A statistical property indicating that an estimator or methodology does not systematically favor certain outcomes over others.

Sample Variance

The measure of variability in a sample dataset, calculated as the sum of squared deviations from the mean, divided by the number of observations minus one.

Population Variance

A measure of how data points in a given population are dispersed from the average value.