The mean of ungrouped data is given by: (1)
A. Mean = \(\frac{\sum x_{i}}{\sum f}\)
B. Mean = \(\frac{\sum x}{n}\)
C. Mean = \(\frac{\sum f x}{\sum n}\)
D. Mean = α + \(\frac{\sum f x}{n}\)
Answer:B
The mean of ungrouped data is given by: (1)
A. Mean = \(\frac{\sum x_{i}}{\sum f}\) B. Mean = \(\frac{\sum x}{n}\) C. Mean = \(\frac{\sum f x}{\sum n}\) D. Mean = α + \(\frac{\sum f x}{n}\)