Statistical Analysis of Data Distribution Quiz
Test your knowledge with questions on mean, SD, normal distribution, tests, skewness, p-value, correlation, histogram, outliers, and more.
#1
What is the mean of a dataset?
The most frequently occurring value
The middle value of the dataset
The sum of all values divided by the number of values
The value that separates the highest and lowest values
#2
What does a normal distribution curve look like?
A straight line
A bell-shaped curve
A steep curve
A zigzag line
#3
What is the purpose of a histogram?
To display the distribution of categorical data
To display the distribution of continuous data
To display the distribution of discrete data
To display the relationship between two continuous variables
#4
What does the standard deviation measure in a dataset?
The spread of data around the mean
The range of values in the dataset
The number of outliers
The proportion of values above the mean
#5
Which statistical test is used to compare means between two groups?
T-test
Chi-square test
ANOVA
Regression analysis
#6
What does the p-value represent in hypothesis testing?
The probability of committing a Type I error
The probability of committing a Type II error
The probability of observing the data given that the null hypothesis is true
The probability of rejecting the null hypothesis when it is true
#7
What is the range of possible values for correlation coefficient?
0 to 1
-1 to 1
-∞ to ∞
0 to ∞
#8
In a positively skewed distribution, where are the majority of values located?
To the left of the mean
To the right of the mean
Around the mean
At the median
#9
What is skewness in a distribution?
The measure of how symmetric the distribution is
The measure of how spread out the values are
The measure of how peaked the distribution is
The measure of how asymmetric the distribution is
#10
What is the Kolmogorov-Smirnov test used for?
Testing normality of a distribution
Comparing means of two groups
Testing homogeneity of variance
Determining correlation coefficient
#11
What does the Shapiro-Wilk test assess?
Normality of data distribution
Equality of variances
Correlation coefficient
Homogeneity of slopes
#12
What is the purpose of the Q-Q plot?
To compare two distributions
To visualize correlation
To test the linearity of data
To test the normality of data
#13
What is the purpose of the Anderson-Darling test?
Testing normality of a distribution
Comparing means of two groups
Testing homogeneity of variance
Determining correlation coefficient
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