Sample Variance For Grouped Data
{"Image DocumentName": "Sample Variance For Grouped Data", "Image ImageDescription": "4-13. Sample Variance For Grouped Data. The formula for the sample variance for grouped data used as an estimator of the population variance is: where f is class frequency and X is class midpoint.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}