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:

Significance Level

The probability of rejecting the null hypothesis when it is true, usually set as a benchmark for testing hypotheses in research.

Decreasing

Involving a reduction in amount, size, strength, or number; moving in a descending order.

β Value

A parameter in statistical models, especially regression analysis, representing the slope of the line of best fit or the degree of change in the dependent variable for a one-unit change in an independent variable.

Significance Level

The probability of rejecting the null hypothesis in a statistical test when it is actually true, commonly denoted by alpha (α) and used to measure the strength of evidence against the null hypothesis.