# Question

Right-tailed test:

a. z = 2.03

b. z = −0.31

We have given the value obtained for the test statistic, z, in a one-mean z-test. We have also specified whether the test is two tailed, left tailed, or right tailed. Determine the P-value in each case and decide whether, at the 5% significance level, the data provide sufficient evidence to reject the null hypothesis in favor of the alternative hypothesis.

a. z = 2.03

b. z = −0.31

We have given the value obtained for the test statistic, z, in a one-mean z-test. We have also specified whether the test is two tailed, left tailed, or right tailed. Determine the P-value in each case and decide whether, at the 5% significance level, the data provide sufficient evidence to reject the null hypothesis in favor of the alternative hypothesis.

## Answer to relevant Questions

Left-tailed test: a. z = −1.84 b. z = 1.25 We have given the value obtained for the test statistic, z, in a one-mean z-test. We have also specified whether the test is two tailed, left tailed, or right tailed. Determine ...Right-tailed test: a. z = 1.24 b. z = −0.69 We have given the value obtained for the test statistic, z, in a one-mean z-test. We have also specified whether the test is two tailed, left tailed, or right tailed. Determine ...x-bar = 20, n = 32, σ = 4, H0: μ = 22, Ha: μ < 22 We have provided a sample mean, sample size, and population standard deviation. In each case, use the one-mean z-test to perform the required hypothesis test at the 5% ...The R. R. Bowker Company collects information on the retail prices of books and publishes the data in The Bowker Annual Library and Book Trade Almanac. In 2005, the mean retail price of agriculture books was $57.61. This ...The Educational Resource Service publishes information about wages and salaries in the public schools system in National Survey of Salaries and Wages in Public Schools. The mean annual salary of (public) classroom teachers ...Post your question

0