A Sample Has a Mean of M = 39

question 60

Multiple Choice

A sample has a mean of M = 39.5 and a standard deviation of s = 4.3,and produces a t statistic of t = 2.14.For a two-tailed hypothesis test with α = .05,what is the correct statistical decision for this sample?​

• A)​The researcher can reject the null hypothesis with α = .05 but not with α = .01.
• B)​The researcher can reject the null hypothesis with either α = .05 or α = .01.
• C)​The researcher must fail to reject the null hypothesis with either α = .05 or α = .01.
• D)​It is impossible to make a decision about H₀ without more information.

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Definitions:

Hedging Instruments

Financial contracts used to offset potential losses or gains that may be incurred by an companion investment, effectively reducing risk.

Options

Financial derivatives that give the buyer the right, but not the obligation, to buy or sell an asset at a set price within a specific timeframe.

Forward Contracts

Financial derivatives that represent agreements to buy or sell an asset at a predetermined future date and price.

Futures Contracts

Agreements to buy or sell a particular commodity or financial instrument at a predetermined price at a specific time in the future.