snoth7711 snoth7711

21-11-2022
Mathematics

Answered

if we are interested in whether a sample mean is either significantly higher or significantly lower than the population mean, should we use a one-tailed or a two-tailed test?

Answer :

Other Questions

think about hypothesis testing. a researcher selects a sample of 36 students from a school population with a mean iq of 100 and a standard deviation of 12. she

a random sample is made of 256 middle managers concerning their annual incomes. the sample mean is computed to be $35,420. if the population standard deviation

a quality control specialist for a restaurant chain takes a random sample of size 10 to check the amount of soda served in the 16 oz. serving size. the sample m

a researcher comparing the means of sample from two different populations, decided to test the same two-sided hypothesis using two different tests: a one-way an

shear strength measurements for spot welds have been found to have standard deviation 10 pounds per square inch (psi). if the shear strengths of 100 test welds

in the de numeris datis of jordanus nemorarius we have the following problem: the sum of two arbitrary numbers is 10. if the sum of the squares of the two numbe

based on the sample means and standard errors of the means, identify the two populations that are most likely to have statistically significant differences in t

if 65 percent of the population of a large community is in favor of a proposed rise in school taxes, approximate the probability that a random sample of 100 peo

which formula would you use to calculate the 95% confidence interval bounding both sides of the population mean of a normal distribution with known standard dev

Drag the function using the green point so that it has the following domain and range: Domain: x is greater than or equal to 4 Range: y is less than or equal