A Psychologist Wants to Assess the Reliability of a New

question 57

Short Answer

A psychologist wants to assess the reliability of a new test of Self Control, the higher the scores the higher the level of control. A random sample of college students is selected and given the test. In order to tap the reliability, the test is scored on the basis of comparing the results of the odd items versus the even items. The data follow: $$\begin{array} { c c c } \text { Subject\# } & \text { Odd } & \text { Even } \\1 & 45 & 57 \\2 & 50 & 48 \\3 & 35 & 57 \\4 & 62 & 55 \\5 & 55 & 60 \\6 & 38 & 50 \\7 & 55 & 50 \\8 & 45 & 38 \\9 & 65 & 70 \\10 & 55 & 50\end{array}$$
-Is it significant? .

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Definitions:

Operating Expenses

Expenses incurred during the regular operations of a business, excluding the cost of goods sold.

Cost of Goods Sold

The expenses directly linked to the manufacturing of the products a company sells, such as costs for materials and labor.

Work in Process Inventory

The expenses associated with goods that are still in the manufacturing stage, encompassing wages, raw materials, and indirect costs.

Cost of Goods Sold

The direct costs attributable to the production of the goods sold by a company, including the cost of the materials used in creating the good along with the direct labor costs used to produce the good.