English Proficiency Scores Have Been Collected from 46 Students Before

question 11

Short Answer

English proficiency scores have been collected from 46 students before and after completing an English as a Second Language course. The degrees of freedom for our t-test are __________.

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Definitions:

Weighted Average

A calculation that takes into account the varying degrees of importance of the numbers in a data set, assigning weights to each number before averaging.

Ordinary Shares

Equity securities representing ownership in a company, entitling holders to vote on corporate matters and share in profits through dividends.

Dilutive Securities

Financial instruments that could reduce earnings per share if converted to common stock, such as warrants and convertible bonds.

Weighted Average

A calculation that takes into account the varying degrees of importance of the numbers in a data set, assigning weights to some of the numbers more than others.