A. Mean B. Median C. Sampling D. Random variable

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Find the range of the following observations: 1,2,4,7,8,13.

The subset of a population is known as ________

The Gaussian curve is also known as ______

If the diameter of a shaft is measured as 60 mm, 62 mm, 63 mm, 61 mm, 60 mm. What is the mean diameter that can be considered for calculation?

Given for an asymmetrical distribution, median=20, mean=22, what is the mode?