MCQ Bank
When the sample size increased, the chance of rejecting a true hypothesis is:
- A) Increased
- B) Constant
- C) Remain same
- D) Decreased
While running ANOVA in SPSS, if the value of Levene’s test is lesser than 0.5 then the test will be:
- A) Non-random
- B) Random
- C) Non-significant
- D) Significant
Why do large t-statistics matter?
- A) They increase variance
- B) They reduce sample size
- C) They reduce alpha
- D) They increase the chance of significant results
If the sample mean is 15 grams and μ = 18 grams, what is the observed difference?
- A) 1 gram
- B) 2 grams
- C) 3 grams
- D) 4 grams
While using SPSS, in which of the following view, the researcher selects the level of measurement of each variable?
- A) Variable view
- B) Data view
- C) Comment box
- D) Dialogue box
In independent sample t-test, parametric test requires a _____________for each individual in the sample.
- A) Symbolic score
- B) Numerical score
- C) Qualitative score
- D) Systematic score
In statistical research, equal variances also referred to as:
- A) Homogeneity of variance
- B) Heterogeneity of variance
- C) Optimization of variance
- D) Distribution of variance
Type I error leads a researcher to conclude:
- A) The sample is representative
- B) No effect exists
- C) The null is correct
- D) The treatment has an effect when it does not
Why is random sampling assumed in hypothesis testing?
- A) To ensure representativeness of the population
- B) To reduce variability
- C) To increase the mean
- D) To create bias
Which symbol represents the probability of a Type II error?
- A) α
- B) μ
- C) z
- D) β
The probability of rejecting a true hypothesis is called:
- A) Critical region
- B) Statement of hypothesis
- C) Level of significance
- D) Test statistics
What three values are used to calculate required sample size?
- A) Alpha, power, and effect size
- B) Variance, mean, and z-score
- C) Confidence level, mean, and test type
- D) Mean, median, mode
ANOVA is the abbreviation of:
- A) Analytical Variance
- B) Analysis of Variance
- C) Analysis of Variables
- D) Analytical Variations
One-way ANOVA in SPSS is used when there is one_____________ with three or more levels (groups).
- A) Dependent discrete variable
- B) Dependent isolated variable
- C) Dependent continuous variable
- D) Dependent non-constant variable
SPSS understands:
- A) Roman words[s1] Repeated question
- B) Numbers only
- C) Numbers and words both
- D) Neither numbers nor words
Which assumptions are required for two-way ANOVA?
- A) Independence of observations, normality, and homogeneity of variances
- B) Equal sample sizes and ordinal DV
- C) Skewed data and dependent samples
- D) Linear relationship and categorical DV
Independent Sample t-test is a:
- A) Distribution test
- B) Non-parametric test
- C) Parametric test
- D) Qualitative test
In research, Ho is used to state____________ statistically.
- A) All hypothesis
- B) No hypothesis
- C) Null hypothesis
- D) Alternate hypothesis
When Levene’s test has Sig. > .05, which t-test result should be used?
- A) Normality plots
- B) Equal variances assumed
- C) Equal variances not assumed
- D) Kolmogorov-Smirnov output
What does the independent sample t-test ultimately test in statistical terms?
- A) Whether variables are correlated
- B) Whether groups came from the same population
- C) Whether groups differ in frequency
- D) Whether regression assumptions are met