In Performing a Hypothesis Test Where the Null Hypothesis Is

question 122

Multiple Choice

In performing a hypothesis test where the null hypothesis is that the population mean is 4.8 against the alternative hypothesis that the population mean is not equal to 4.8, a random sample of 25 items is selected.The sample mean is 4.1 and the sample standard deviation is 1.4.It can be assumed that the population is normally distributed.The degrees of freedom associated with this are _______.

• A)25
• B)24
• C)26
• D)2
• E)1

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Definitions:

Pairwise Votes

A voting system where choices are compared to each other one at a time, with the option winning the most individual comparisons being selected.

Borda Count

A voting method in which voters rank options or candidates, and rankings are then converted into scores which are totaled to determine the winner.

Vacation Destination

A place where people go to relax, explore, and enjoy leisure activities during their holidays.

Condorcet Voting Paradox

A scenario in social choice theory where collective preferences are cyclic (i.e., not transitive) even if the individual preferences within the group are linear and transitive.