
MAJOR01 TEST PROBABILITY AND STATISTICS
Quiz by Arvin Gara
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Which of the following best describes a cumulative frequency distribution?
What is a frequency distribution?
If the class limits are 10-19, 20-29, and 30-39, what is the class width?
The upper class limit is:
How do you calculate the class boundaries?
What is the midpoint of a class interval?
What is the measure of central tendency that is calculated by summing all the values in a data set and dividing by the number of values?
Given the data set: 3, 7, 7, 2, 9, what is the mode?
For the data sets: 4, 8, 6, 5, 3, what is the median?
In a data set where every value is identical, which measure of central tendency is typically used?
Given the following data set: 2, 4, 4, 6, 8, 10, 12, what is the mean?
Which measure of central tendency is most affected by extreme values (outliers) in a data set?
For the data set: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, what is the median?
What is the measure of variability that represents the difference between the highest and lowest values in a data set?
Given the data set: 5, 8, 12, 15, 20, what is the range?
What measure of variability is calculated by taking the square root of the variance?
For the data sets: 2, 4, 6, 8, 10, what is the variance? (Use the sample variance formula.)
What does the standard deviation measure?