The Head of the English Department Wants to Determine If

question 18

Multiple Choice

The head of the English department wants to determine if the average number of students an English course differs depending upon the time of day that the course is being offered.
$\begin{array}{ccc}\hline \text { Morning } & \text { Afternoon } & \text { Evening } \\\hline 25 & 25 & 27 \\26 & 24 & 26 \\27 & 18 & 24 \\26 & 20 & 23 \\27 & 23 & 25 \\\hline\end{array}$

Is there a significant difference between the mean attendance for the classes given for $\alpha = 0.05$ ?

• A) The \(F\)-test cannot be used to answer whether or not there is a significant difference between the means.
• B) No, there is no significant difference between the means.
• C) Yes, there is a significant difference between the means.

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Definitions:

Sporophyte

The diploid, spore-producing phase of a plant that alternates with the haploid gametophyte in the life cycle.

Angiosperms

Flowering plants that produce seeds enclosed within a fruit, representing the most diverse group of plants on Earth.

Gymnosperms

are a group of seed-producing plants that includes conifers, cycads, Ginkgo, and gnetophytes, characterized by not having flowers or fruit.

Wind Pollination

A method of pollination where pollen is distributed by the wind to fertilize plants.