The Shell Station on Portage Ave in Winnipeg Is Studying

question 10

Multiple Choice

The Shell station on Portage Ave in Winnipeg is studying the number of litres of fuel that are sold on each day of the week. Records are available for the past year. How can the variable 'number of litres' be best described?

• A) Discrete
• B) Quantitative
• C) Qualitative
• D) Census
• E) Nominal

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Definitions:

Sample Size

Refers to the number of observations or elements selected from a population to conduct a study.

Population Proportion

A fraction or percentage that represents a part of the total population sharing a particular characteristic or attribute.

Sample Proportion

The fraction or percentage of the sample that represents a particular trait or characteristic.

Confidence Interval

An interval of values, obtained from the analysis of sample data, which is probable to include the value of an unspecified population parameter, within a given level of certainty.