![The defined formula in excel to calculate the variance for grouped data. | Download Scientific Diagram The defined formula in excel to calculate the variance for grouped data. | Download Scientific Diagram](https://www.researchgate.net/publication/276844496/figure/fig6/AS:294444243931142@1447212386426/The-defined-formula-in-excel-to-calculate-the-variance-for-grouped-data.png)
The defined formula in excel to calculate the variance for grouped data. | Download Scientific Diagram
![Mean and Standard Deviation of Grouped Data Make a frequency table Compute the midpoint (x) for each class. Count the number of entries in each class (f). - ppt download Mean and Standard Deviation of Grouped Data Make a frequency table Compute the midpoint (x) for each class. Count the number of entries in each class (f). - ppt download](https://images.slideplayer.com/25/7815656/slides/slide_7.jpg)
Mean and Standard Deviation of Grouped Data Make a frequency table Compute the midpoint (x) for each class. Count the number of entries in each class (f). - ppt download
![The defined formula in excel to calculate the variance for grouped data. | Download Scientific Diagram The defined formula in excel to calculate the variance for grouped data. | Download Scientific Diagram](https://www.researchgate.net/profile/Nchimunya-Chaamwe/publication/276844496/figure/fig6/AS:294444243931142@1447212386426/The-defined-formula-in-excel-to-calculate-the-variance-for-grouped-data_Q640.jpg)