karim2667 karim2667

21-11-2022
Mathematics

Answered

in a hypothesis test with the null and alternative hypotheses < and , a random sample of 110 elements selected from the population produced a mean of 75.8. assume that 25.7, and that the test is to be made at the 5% significance level. what is the critical value of z?

Answer :

Other Questions

an independent random sample is selected from an approximately normal population with unknown standard deviation. find the degrees of freedom and the critical t

in statistical hypothesis testing, the null hypothesis and the alternative hypothesis are stated in terms of:

. what is the probability that a number selected at random from the set {2, 3, 7, 12, 15, 22, 72, 108} will be divisible by both 2 and 3 ? individual question

one number, k , is selected at random from a set of 11 consecutive even integers. what is the probability that

what kind of error is being made if the researcher fails to reject the null hypothesis when it is, in fact, false?

define your population parameter, including hypothesis statements, and specify the appropriate test studocu

can it be concluded at a 0.01 level of significance that there is a linear correlation between the two variables?

Suppose we are making a 95% confidence interval for the population mean from a sample of size 15. What number of degrees of freedom should we use?.

you run a t-test two sample assuming equal variances in excel. which statistic displays the area cutoff by the combined negative and positive values of the t?

statistical hypothesis testing is to test whether a statement about a parameter is consistent with the data. the tested statement about a parameter is called