Samples Were Drawn from Three Populations $n _ { 1 } = 8 , n _ { 2 } = 7$

question 39

Multiple Choice

Samples were drawn from three populations. The sample sizes were $n _ { 1 } = 8 , n _ { 2 } = 7$ , and $n _ { 3 } = 6$ . The sample means were $\bar { x } _ { 1 } = 1.34 , \bar { x } _ { 2 } = 1.88$ , and $\bar { x } _ { 3 } = 1.26$ . The sample standard deviations were $s _ { 1 } = 0.34 , s _ { 2 } = 0.25$ , and $s _ { 3 } = 0.49$ . The grand mean is $\bar { x } = 1.497143$ . Compute the mean squares MSE.

• A) 1.5610
• B) 2.3847
• C) 0.1325
• D) 0.7805

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Definitions:

Periodic Inventory System

An inventory accounting system where updates to inventory levels are made periodically, usually at the end of a financial reporting period, as opposed to continuously.

Cost of Goods Sold

The direct costs attributable to the production of the goods sold by a company, including material, labor, and overhead expenses.

Beginning Inventory

The worth of merchandise on hand ready to be sold at the beginning of a financial period.

Merchandise Purchases

Transactions involving the buying of goods for resale purposes, typically in a retail or wholesale setting, which will either be sold as is or used in the production process.