A sample of 438 observations is randomly selected from a population. The mean of the sample is 382 and the standard deviation is 14. Based on Chebyshevs inequality, the endpoints of the interval that
单选题
A sample of 438 observations is randomly selected from a population. The mean of the sample is 382 and the standard deviation is 14. Based on Chebyshevs inequality, the endpoints of the interval that