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Instruction 15-3
The director of transportation of a large company is interested in the usage of her van pool. She considers her routes to be divided into local and non-local. She is particularly interested in learning if there is a difference in the proportion of males and females who use the local routes. She takes a sample of a day's riders and finds the following:
She will use this information to perform a chi-square hypothesis test using a level of significance of 0.05.
-Referring to Instruction 15-3,the decision made suggests that there is a difference between the proportion of males and females who ride local versus non-local routes.
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A salt compound often used for ice melting, dust control, and as a desiccant because of its ability to absorb moisture.
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A representation of the composition of molecules and compounds using symbols for the elements.
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The conversion of snow into water when the temperature rises, affecting ecosystems, water supplies, and climate models.
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A one- or two-letter notation derived from the name of an element, used as a shorthand representation in chemical equations and formulas.
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