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What is Which one of the following statement is true? and explain in detail?
The mean and standard detion of random sample will generally be different from the mean and standard detion of the population. * The standard error (SE) measures the variability of sample statistic in relation to the true population characteristic (how accurate the sample mean is as an estimate of the population mean.). * The SEM is generally smaller than the standard detion (SD). * The standard detion is the measure of the variability of the observations. * Standard error (SE) = * coefficient of variation = 100