A Psychology Researcher Has a Theory That Predicts Women Will

question 23

Multiple Choice

A psychology researcher has a theory that predicts women will tend to carry more cash than men.A random sample of Ersatz University students revealed that 16 females had a mean of $22.30 in their wallets with a standard deviation of $3.20,while 16 males had a mean of $17.30 with a standard deviation of $9.60.The test statistic for the researcher's hypothesis is:

• A) impossible to determine without knowing  .
• B) 1.250.
• C) 1.504.
• D) 1.976.

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