The Time It Takes to Complete a Test Was Recorded $$\begin{array} { l l l l l } 25 & 45 & 50 & 32 & 38 \\41 & 41 & 48 & 30 & 40 \\39 & 49 & 46 & 44 & 36\end{array}$$

question 72

Essay

The time it takes to complete a test was recorded for a sample of 15 students. The results follow. $$\begin{array} { l l l l l } 25 & 45 & 50 & 32 & 38 \\41 & 41 & 48 & 30 & 40 \\39 & 49 & 46 & 44 & 36\end{array}$$ Use Excel to estimate the variance with a 90% level of confidence.

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Definitions:

Registration Statement

A set of documents, including financial statements and a prospectus, filed with the Securities and Exchange Commission (SEC) by a company intending to go public through an issuance of shares.

Financial Statement

A formal record of the financial activities and position of a business, individual, or other entity, typically including a balance sheet and income statement.

Future Growth Potential

An assessment of an entity's or an investment's capacity to expand or increase in value over time.

Recidivism

The act of relapsing into a previous condition or mode of behavior, especially criminal behavior, after attempting to change.