Create quiz more difficult include questions and multiple choices, the quiz is related to statistics. The quiz include determine mean ,mode, median, standard deviation and variance
 Quiz: Statistics Challenge

1. What is the formula to calculate the mean (average) of a set of data?
A. Median x (n-1)
B. Sum of data / Number of data points
C. Mode x Standard Deviation
D. Variance / n

Answer: B

2. Which measure of central tendency is most affected by outliers?
A. Mean
B. Median
C. Mode
D. Standard Deviation

Answer: A

3. What is the formula to calculate the variance of a set of data?
A. Sum of data / Number of data points
B. Mean of data x Standard Deviation
C. Sum of (data - mean)^2 / (n-1)
D. Mode x (n-1)

Answer: C

4. Which measure of central tendency is the most common value in a data set?
A. Mean
B. Median
C. Mode
D. Standard Deviation

Answer: C

5. What is the formula to calculate the standard deviation of a set of data?
A. Square root of variance
B. Mean of data x Variance
C. Sum of data / Number of data points
D. Mode x (n-1)

Answer: A

6. Which measure of dispersion
1. What is the mean of the following data set? 
A. 2, 4, 6, 8, 10
B. 4
C. 6
D. 8

2. What is the mode of the following data set? 
A. 2
B. 4
C. 6
D. 8

3. What is the median of the following data set? 
A. 2
B. 4
C. 6
D. 8

4. What is the standard deviation of the following data set? 
A. 2
B. 4
C. 6
D. 8

5. What is the variance of the following data set? 
A. 2
B. 4
C. 6
D. 8