Podcast
Questions and Answers
What does the mean represent in a given data set?
What does the mean represent in a given data set?
- The average of the data set (correct)
- The most frequently occurring value
- The middlemost data value
- The lowest value in the data set
Which formula is used to calculate the mean for ungrouped data?
Which formula is used to calculate the mean for ungrouped data?
- (n/2)th observation + {(n/2)+1}th observation)/2
- Sum of observations/Number of observations (correct)
- (n + 1)/2
- (n + 1)/2th observation
How is the median calculated when the number of observations (n) is even?
How is the median calculated when the number of observations (n) is even?
- (n/2)th observation + {(n/2)+1}th observation
- (n + 1)/2th observation
- (n/2)th observation + {(n/2)+1}th observation)/2 (correct)
- (n + 1)/2
What is the mode of a dataset?
What is the mode of a dataset?
In statistics, what does the term 'mean' refer to?
In statistics, what does the term 'mean' refer to?
What is the median of the data set 21, 19, 62, 21, 66, 28, 66, 48, 79, 59, 28, 62, 63, 63, 48, 66, 59, 66, 94, 79, 19?
What is the median of the data set 21, 19, 62, 21, 66, 28, 66, 48, 79, 59, 28, 62, 63, 63, 48, 66, 59, 66, 94, 79, 19?
In a frequency distribution, how is the mean calculated using the Assumed Mean Method?
In a frequency distribution, how is the mean calculated using the Assumed Mean Method?
For the distribution x: 15, 21, 27, 30, 35 with respective frequencies f: 3, 5, 6, 7, 8; what is the mean?
For the distribution x: 15, 21, 27, 30, 35 with respective frequencies f: 3, 5, 6, 7, 8; what is the mean?
In a grouped frequency distribution, which formula is used to calculate the median?
In a grouped frequency distribution, which formula is used to calculate the median?
What is the mode of the data set: 32, 6, 21, 10, 8, 11, 12, 36, 17, 16, 15, 18, 40, 24, 21, 23?
What is the mode of the data set: 32, 6, 21, 10, 8, 11, 12, 36, 17, 16, 15, 18, 40, 24, 21, 23?