Cody Opened a Presentation Named October Sales

question 88

Multiple Choice

Cody opened a presentation named October Sales. Then he saved the October Sales presentation with the new name November Sales. What happened to the October Sales presentation?

• A) Nothing; the October Sales presentation is still available.
• B) The October Sales presentation was replaced with the November Sales presentation and is no longer available.
• C) The October Sales presentation is still open and will display any changes Cody makes to the November Sales presentation.
• D) The October Sales presentation is still available, but Cody can no longer make changes to it.

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Definitions:

Significance Level

The threshold used in hypothesis testing that determines whether the observed results are statistically significant.

Null Hypothesis

The default hypothesis that there is no effect or no difference, tested against an alternative hypothesis in statistical analysis.

Random Samples

Selections made in such a way that each member of a population has an equal chance of being included, ensuring the sample's representativeness of the whole.

F-test

A statistical test used to compare the variances of two samples to determine if they come from populations with equal variances.