A Population Mean Is μ = 85

question 23

Multiple Choice

A population mean is μ = 85. A one-sample t test is conducted with n = 25 subjects. The test resulted with a sample mean of M = 81 and s_M = 1.46. What is t_obt?

• A) +1.87
• B) -1.87
• C) +2.74
• D) -2.74

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