A Two-Tailed Independent Samples T Test Was Conducted with an α

question 43

Multiple Choice

A two-tailed independent samples t test was conducted with an α = .01. The mean for group A, consisting of 8 individuals, was 63. The mean for group B, consisting of 9 individuals, was 61. If the obtained t-value was -2.63, we could conclude that

• A) there was no significant difference between the means.
• B) there was a significant difference between the means.
• C) the null hypothesis should be rejected.
• D) both "b" and "c" are correct.

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