Eight observations were selected from each of 3 populations (total of 24 observations), and an analysis of variance was performed on the data. The following are part of the results. 
Using = .05, test to see if there is a significant difference among the means of the three populations.
Definitions:
Check Box
A form control element that allows users to make binary choices, typically represented as a square box that can be marked with a check symbol.
Combo Box
An interactive control found in user interfaces that allows the user to choose an item from a list or type a value.
List Box
A user interface element that displays a list of options from which a user can select one or more items.
Text Box
A GUI element that enables the user to input text information into a document, form, or web page.
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