Instruction 9-7
Microsoft Excel Was Used on a Set $n = 46$

question 94

Multiple Choice

Instruction 9-7
Microsoft Excel was used on a set of data involving the number of parasites found in a random sample of 46 Blue Tiger butterflies captured in Kakadu National Park. A biologist wants to know if the mean number of parasites per butterfly is greater than 20. She will make her decision using a test with a level of significance of 0.10. The following information was extracted from the Microsoft Excel output for the sample of 46 butterflies:
$n = 46$ ; Arithmetic Mean $= 28.00$ ; Standard Deviation $= 25.92$ ; Standard Error $= 3.82$ ;
Null Hypothesis: $H _ { 0 } : \mu \leq 20.000 ; a = 0.10 ; \mathrm { df } = 45 ; T$ Test Statistic $= 2.09$ ;
One-Tailed Test Upper CriticalValue $= 1.3006 ; p$ value $= 0.021$ ; Decision $=$ Reject.
-Referring to Instruction 9-7,the parameter the biologist is interested in is the

• A) mean number of parasites on Blue Tiger butterflies in Kakadu National Park.
• B) mean number of butterflies in Kakadu National Park.
• C) proportion of butterflies with parasites.
• D) mean number of parasites on these 46 butterflies.

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Definitions:

Indirect Materials

Materials used in the production process that are not directly traceable to the finished product.

Activity-Based Costing

An accounting method that allocates costs to specific activities for more accurate product costing.

Accumulating

The process of gathering or amassing over a period of time.

Allocating

The process of apportioning costs or resources among departments, activities, or products.