Podcast
Questions and Answers
Which measure of central tendency is used when the distribution contains extreme values?
Which measure of central tendency is used when the distribution contains extreme values?
- Mean
- Median (correct)
- Mode
- All of the above
What is the primary purpose of using the mean as a measure of central tendency?
What is the primary purpose of using the mean as a measure of central tendency?
- To minimize the effect of extreme values
- To find the most frequently occurring value
- To divide the data into two equal parts
- To include all the given values in the computation (correct)
When is the median the most appropriate measure of central tendency to use?
When is the median the most appropriate measure of central tendency to use?
- When the data is ordinal or ranked (correct)
- When the greatest reliability of the measure is required
- When the distribution contains extreme values
- When higher statistical computations are needed
What is the formula for calculating the median of an even number of values?
What is the formula for calculating the median of an even number of values?
Which measure of central tendency is most affected by extreme values in a distribution?
Which measure of central tendency is most affected by extreme values in a distribution?
Which measure of central tendency is used when the goal is to find the most frequently occurring value in a dataset?
Which measure of central tendency is used when the goal is to find the most frequently occurring value in a dataset?
Which of the following measures describes the spread of a data set around the central value?
Which of the following measures describes the spread of a data set around the central value?
If the range of a data set is small, what can be inferred about the variation?
If the range of a data set is small, what can be inferred about the variation?
Which measure of variation is most affected by outliers?
Which measure of variation is most affected by outliers?
If the standard deviation of a data set is zero, what can be concluded?
If the standard deviation of a data set is zero, what can be concluded?
Which measure of variation is most appropriate for comparing the spread of two data sets with different units?
Which measure of variation is most appropriate for comparing the spread of two data sets with different units?
What is the relationship between the mean deviation and the standard deviation?
What is the relationship between the mean deviation and the standard deviation?
What is the most reliable and sensitive measure of central tendency?
What is the most reliable and sensitive measure of central tendency?
What is the formula for calculating the simple mean?
What is the formula for calculating the simple mean?
What is the difference between the simple mean and the weighted mean?
What is the difference between the simple mean and the weighted mean?
Which of the following is not a common measure of central tendency?
Which of the following is not a common measure of central tendency?
If the scores of 15 students in a 25-item test are 15, 18, 17, 16, 19, 21, 18, 23, 24, 18, 16, 17, 20, 21, and 19, what is the mean score of the students?
If the scores of 15 students in a 25-item test are 15, 18, 17, 16, 19, 21, 18, 23, 24, 18, 16, 17, 20, 21, and 19, what is the mean score of the students?
