![SOLVED: 03 (a) The arithmetic mean and standard deviation of the series of 20 items were calculated by student as 20 Cm and Scm. respectively. But while calculating them an item 13 SOLVED: 03 (a) The arithmetic mean and standard deviation of the series of 20 items were calculated by student as 20 Cm and Scm. respectively. But while calculating them an item 13](https://cdn.numerade.com/ask_images/50e4098d0096463faecd002da4034341.jpg)
SOLVED: 03 (a) The arithmetic mean and standard deviation of the series of 20 items were calculated by student as 20 Cm and Scm. respectively. But while calculating them an item 13
![The arithmetic mean of a variable is computed by determining the sum of all the values of the variable in the data set divided by the number of observations. - ppt download The arithmetic mean of a variable is computed by determining the sum of all the values of the variable in the data set divided by the number of observations. - ppt download](https://images.slideplayer.com/20/5944116/slides/slide_4.jpg)
The arithmetic mean of a variable is computed by determining the sum of all the values of the variable in the data set divided by the number of observations. - ppt download
![Arithmetic Mean for Continuous Frequency Distribution/ Grouped Data/ Grouped Frequency Distribution - YouTube Arithmetic Mean for Continuous Frequency Distribution/ Grouped Data/ Grouped Frequency Distribution - YouTube](https://i.ytimg.com/vi/qx1c3sXVTz8/maxresdefault.jpg)