what are class intervals

A function f(x) is said to be continuous in an interval I, if it is continuous at each point of I. then x can approach c both from the left and the right and so for f (x) to be continuous at c, we must have If the interval I is the closed interval [a,b], then x cannot ..

The formula for the confidence interval for a variance is _________ . => IV. or II. or III. or I...

What is meant by 95% confidence interval of the mean? => 95% of the specific sample means will fall within ± 1.96 standard errors of the population mean. or 95% of the specific sample means will fall within ± 2.58 standard errors of the population mean. or There is..

When a 95% confidence interval is calculated instead of a 90% confidence interval with the same sample, the maximum error of estimate will be _____ . => either smaller or larger depending on sample size or the same or smaller or larger..

What are the end points of the interval [- 5, 4] ? => - 4 &∞ or - ∞ & 5 or - 5 & 4 or - ∞, ∞..

Graph the number line for the interval (- 8, 0]. => Graph A or Graph B or Graph C or None of the above..

Graph the number line for the interval (- 8, 0]. => Graph B or Graph C or Graph A or None of the above..

Find the end points of the interval [- 4, 3) . => - 4 & 3 or - 3 &∞ or - ∞, ∞ or - ∞ & 4..

To calculate the confidence interval for variance or standard deviation, a statistical distribution called ______ is needed. => chi-square distribution or binomial distribution or poisson distribution or multinomial distribution..

Select the correct statement(s). I. Increase in sample size will make the confidence interval of the population mean wider. II. A 90% confidence interval will be wider than a 99% confidence interval. III. Sample mean can never be the same as population mean. => I only ..