helppp1242 helppp1242

12-12-2022
Mathematics

Answered

Test the claim that the two samples described below come from populations with the same mean. Assume that the samples are independent simple random samples. Use a significance level of α = 0.01
Sample 1: n1 = 13, ¯x1 = 23, s1 = 6
Sample 2: n2 = 16, ¯x2 = 29, s2 = 5.9
(a) The degree of freedom is ___
(b) The test statistic is _
(c) Determine the rejection region for the test of H0:μ1−μ2=0 and Ha:μ1−μ2≠0
(d) |t| > ___

Answer :

Other Questions

Test the claim about the difference between two population means μ1 and μ2 at the level of significance α. Assume the samples are random and independent, and t

The state enacts a new driving policy in which teenagers under the age of 18 are only allowed to drive with one other teenager in the car at a time. A researche

which of the following conditions must be met to conduct a two-proportion significance test? the populations are independent. the probabilities of success multi

classify the two given samples as independent or dependent. sample 1: pre-training blood pressure of 27 people. sample 2: post-training blood pressure of 27 peo

In a chi-square test for ________________ of proportions, we test whether different populations have the same proportion of individuals with some characteristic

Suppose that the scores of bowlers in a particular league follow a normal distribution such that the standard deviation of the population is 12 . Find the 95% c

a random sample of 100100 observations from a population with standard deviation 17.037078307720517. yielded a sample mean of 93.1). Given that the null hypothe

in a certain region, 94 percent of the people have a certain characteristic in their blood. suppose a group of 45 people from the region are selected at random.

1.The mean of the data below is 2.6, Find the missing value and determine the standard deviation x 3.0 3.2 3.3 3.8 4.0f 3 5 y 4 6

A researcher interviews 50 employees of a large manufacturer and collects data on each worker’s hourly wage (Wage), years of higher education (EDUC), experience