25.Mean, Median and Mode Flashcards
1
Q
How do you calculate the mean of a data set?
A
The mean is calculated by summing all the observations and dividing by the number of observations.
2
Q
What is the median?
A
The median is the middlemost observation when the data is arranged in ascending order.
3
Q
How is the mode defined?
A
The mode is the value that occurs most frequently in a data set.
4
Q
What is the relationship between mean, mode, and median?
A
The equation 2 * mean + mode = 3 * median holds true.
5
Q
How do you calculate the range of a data set?
A
The range is obtained by subtracting the minimum value from the maximum value.
6
Q
How is symmetric data defined?
A
Symmetric data refers to data sets whose values are evenly spread around the center.