![Range, Variance & Standard Deviation | Measurement, Calculator & Statistics - Video & Lesson Transcript | Study.com Range, Variance & Standard Deviation | Measurement, Calculator & Statistics - Video & Lesson Transcript | Study.com](https://study.com/cimages/videopreview/measures-of-variability-range-variance-standard-deviation_120428.jpg)
Range, Variance & Standard Deviation | Measurement, Calculator & Statistics - Video & Lesson Transcript | Study.com
![SOLVED: B- Variance and Standard Deviation of Grouped Data In grouped data, X is the midpoint of the class and f frequency: Formulae for calculating VARIANCE and STANDARD DEVIATION of a POPULATION SOLVED: B- Variance and Standard Deviation of Grouped Data In grouped data, X is the midpoint of the class and f frequency: Formulae for calculating VARIANCE and STANDARD DEVIATION of a POPULATION](https://cdn.numerade.com/ask_images/d0f62b581e684548bab7bf06c5496669.jpg)
SOLVED: B- Variance and Standard Deviation of Grouped Data In grouped data, X is the midpoint of the class and f frequency: Formulae for calculating VARIANCE and STANDARD DEVIATION of a POPULATION
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