Training
Training - MUBS
Made by @bachir
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1: 1. Which of the following is a continuous variable?
15s
Gender
Marital status
Blood group
Weight in kilograms
2: 2. Which measure represents the middle value of an ordered dataset?
15s
Mean
Median
Mode
Standard deviation
3: What does the standard deviation mainly describe?
15s
The average value
The most frequent value
The variability of observations around the mean
The number of observations
4: A p-value of 0.03 with α = 0.05 means that the result is:
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Not statistically significant
Statistically significant
Clinically significant
Definitely caused by the studied factor
5: Which statistical test is generally used to compare the mean of a continuous variable between TWO independent groups?
20s
Independent-samples t-test
Chi-square test
ANOVA
Pearson correlation
6: Which test is commonly used to examine the association between TWO categorical variables?
15s
Chi-square test
Paired t-test
Pearson correlation
Linear regression
7: If you want to compare the mean of a continuous variable across THREE or more independent groups, which test would you generally use?
15s
Independent t-test
Chi-square
One-way ANOVA
Pearson correlation
8: A Pearson correlation of r = −0.75 indicates:
15s
A strong positive relationship
A weak negative relationship
A strong negative relationship
No relationship
9: Which of the following is an example of descriptive statistics?
20s
Testing whether two groups are significantly different
Testing a research hypothesis
Estimating whether one variable predicts another
Calculating the mean and standard deviation of participants' ages
10: In a highly right-skewed distribution with several extreme high values, which measure of central tendency is generally the most appropriate?
20s