The following Statistical Tests Between the Means of Different Groups MCQs have been compiled by our experts through research, in order to test your knowledge of the subject of Statistical Tests Between the Means of Different Groups. We encourage you to answer these multiple-choice questions to assess your proficiency.
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A. 26
B. 24
C. 13
D. 12
A. The size of the treatment effect
B. The chance of a Type I error
C. The chance of a Type II error
D. The overall chance level in the experiment
A. Df - 1
B. N - 1
C. N
D. N + 1
A. 0.00.
B. ±1.65.
C. ±1.96.
D. ±3.00.
A. The standard error of the mean
B. The estimated standard error of the mean
C. The standard deviation
D. The standard error of the difference between means
A. The two-sample means differ significantly
B. The two-sample means do not differ significantly
C. You have done something wrong
D. The two population means differ significantly
A. Cohen’s d
B. The standard error of the difference between means
C. R2
D. Either Cohen’s d or r2
A. Pooled variance
B. Degrees of freedom
C. Critical value
D. Directional hypothesis
A. The t-distribution appears less and less like a normal distribution.
B. The t-distribution appears more and more like a normal distribution.
C. The shape of the t-distribution is unaffected.
D. Becomes nearer to the true value of µ
A. Reject Ho
B. Fail to reject Ho
C. Accept Ho
D. Reject Ha
A. Increases; increases
B. Decreases; decreases
C. Increases; decreases
D. Increases; stays the same
A. Compares sample means for two related groups
B. Compares sample means for two unrelated groups
C. Compares standard deviations for two unrelated groups
D. Compares sample means for three or more unrelated groups
A. 0.00.
B. ±1.00.
C. Greater than ±1.00.
D. A negative number
A. T(28) = 1.70
B. T(14) = 1.70
C. T(18) = 1.70
D. T(10) = 1.70
A. Statistics
B. Physical
C. Chemical
D. Maths