Podcast
Questions and Answers
What is another name for arithmetic average?
What is another name for arithmetic average?
- Mean (correct)
- Median
- Standard deviation
- Mode
What term refers to the middle value in a distribution?
What term refers to the middle value in a distribution?
- Median (correct)
- Mode
- Range
- Mean
Who introduced the concept of standard deviation in 1893?
Who introduced the concept of standard deviation in 1893?
- Karl Pearson (correct)
- Demovire
- None of these
- James
What is the value which occurs the greatest number of times in a series called?
What is the value which occurs the greatest number of times in a series called?
In Yule’s coefficient of association, what type of association is indicated if Q = 1?
In Yule’s coefficient of association, what type of association is indicated if Q = 1?
What is the term for the number of observations falling in a particular class?
What is the term for the number of observations falling in a particular class?
What is the median of the data 10,15,9,25,19?
What is the median of the data 10,15,9,25,19?
What does the algebraic sum of the deviations of all the items from their arithmetic mean equal to?
What does the algebraic sum of the deviations of all the items from their arithmetic mean equal to?
What is the general formula for mean?
What is the general formula for mean?
For finding mean by the method of step deviation, what does the symbol A denote?
For finding mean by the method of step deviation, what does the symbol A denote?
What is the mode of the data 45,55,50,45,40,45?
What is the mode of the data 45,55,50,45,40,45?
If for a frequency distribution, the values of median and mean are 72 and 78, what is the value of mode?
If for a frequency distribution, the values of median and mean are 72 and 78, what is the value of mode?
What is the difference between the largest and the smallest observation known as?
What is the difference between the largest and the smallest observation known as?
What is the other name for standard deviation?
What is the other name for standard deviation?
What is the formula for coefficient of correlation?
What is the formula for coefficient of correlation?
What does Coefficient of correlation lie between?
What does Coefficient of correlation lie between?
