Meaning of mode mean median and range Flashcards
(20 cards)
What is the mode in a set of numbers?
The mode is the number that appears most frequently in a data set.
True or False: A data set can have more than one mode.
True.
What is the mean of a set of numbers?
The mean is the average of a data set, calculated by adding all numbers and dividing by the count of numbers.
Fill in the blank: The mean is calculated by summing all values and dividing by ______.
the number of values.
What is the median in a data set?
The median is the middle value when the numbers are arranged in ascending order.
How do you find the median in a set with an even number of values?
For an even number of values, the median is the average of the two middle numbers.
What is the range of a data set?
The range is the difference between the highest and lowest values in the data set.
True or False: The range can be negative.
False.
Which measure of central tendency is most affected by extreme values?
The mean.
What is the mode of the following set: 1, 2, 2, 3, 4?
The mode is 2.
If a data set has the values 5, 7, 8, 8, 9, what is the median?
The median is 8.
Calculate the range of the following numbers: 10, 15, 20, 25.
The range is 15 (25 - 10).
What is the mean of the numbers 4, 6, 8?
The mean is 6.
In a data set with values 1, 1, 2, 3, 4, what is the mode?
The mode is 1.
Fill in the blank: The median is less affected by ______ than the mean.
outliers.
What happens to the mean if one extremely high value is added to a data set?
The mean increases.
True or False: The mode is always one of the numbers in the data set.
True.
What is the median of the following numbers: 3, 7, 8, 12, 14?
The median is 8.
If the range of a data set is 0, what does this indicate?
All values in the data set are the same.
What is the mean of the numbers 2, 4, 6, 8, 10?
The mean is 6.
