Home
Mcqs
Quizes
Q&A
Past Paper
blog
Spaces
Join Now
Sign in
Togus Bash
STATISTICS
-
Inferential Statistics
In a regression equation, what does the intercept represent?
A. The predicted value when all predictors are zero.
B. The slope of the line.
C. The correlation coefficient.
D. The standard deviation.
Togus Bash
STATISTICS
-
Inferential Statistics
What does it mean if a result is statistically significant?
A. The result is important.
B. The result is likely due to chance.
C. The result is unlikely due to chance.
D. The result is not important.
Togus Bash
STATISTICS
-
Inferential Statistics
Which of the following is a characteristic of a normal distribution?
A. Skewed to the right.
B. Symmetrical around the mean.
C. Mean is less than median.
D. All values are equal.
Togus Bash
STATISTICS
-
Inferential Statistics
What is the purpose of a hypothesis test?
A. To prove a theory.
B. To determine if there is enough evidence to reject the null hypothesis.
C. To collect data.
D. To summarize data.
Togus Bash
STATISTICS
-
Inferential Statistics
Which test would you use to compare the means of three or more groups?
A. t-test.
B. ANOVA.
C. Chi-square test.
D. Z-test.
Togus Bash
STATISTICS
-
Inferential Statistics
What is the effect of increasing sample size on the standard error?
A. It increases.
B. It decreases.
C. It has no effect.
D. It doubles.
Togus Bash
STATISTICS
-
Inferential Statistics
In a one-way ANOVA, what does the F-statistic compare?
A. Between-group variance to within-group variance.
B. Means of different groups.
C. Sample sizes of different groups.
D. Total variance to error variance.
Togus Bash
STATISTICS
-
Inferential Statistics
What is the main focus of inferential statistics?
A. Describing data.
B. Making inferences about populations.
C. Collecting data.
D. Organizing data.
Togus Bash
STATISTICS
-
Inferential Statistics
Which of the following is an assumption of the t-test?
A. Samples are independent.
B. Populations are normally distributed.
C. Variances are equal.
D. All of the above.
Togus Bash
STATISTICS
-
Inferential Statistics
What does a confidence level of 99% imply?
A. 1% chance of error.
B. 5% chance of error.
C. 95% chance of accuracy.
D. 99% chance of accuracy.
‹
1
2
3
4
5
›
STATISTICS
Inferential Statistics
Time Series Analysis
Probability Distributions
Statistics
