The practical significance of a decision rejecting the null hypothesis should always be considered with every statistical test outcome.
A. TRUE
B. FALSE
The practical significance of a decision rejecting the null hypothesis should always be considered with every...
True or false The practical significance of a decision rejecting the null hypothesis should always be considered with every statistical test outcome.
13) Determine the decision criterion for rejecting the null hypothesis in the given hypothesis test; i.e., describe the values of the test statistic that would result in rejection of the null hypothesis. Suppose you wish to test the claim that μd, the mean value of the differences d for a population of paired data, is greater than 0. Given a sample of n = 15 and a significance level of α = 0.01, what criterion would be used for rejecting...
1. a) Determine the decision criterion for rejecting the null hypothesis in the given hypothesis test; i.e., describe the values of the test statistic that would result in rekection of the null hypothesis. H0: =9.8 H1: ?9.8 n=14 ? = 0.05 b. The mean volume of juice in a company's 8 oz juice bottles is equal to 8.2 ounces. Test statistic z = -1.27
Assume a researcher published a paper rejecting a null hypothesis at the 1% level of significance (that is, α = 0.01), which of the following statements is true? The finding may not be significant since it was not tested at an alpha level of 0.05 You cannot make any assumptions about the alpha at the 5% level without first calculating the value from the published data It is 5 times as likely the null hypothesis would be accepted at the...
not rejecting the null hypothesis means that the assigned value under the null is the true population value. true or false
a is .05 and N-25, the probability of rejecting the null hypothesis if the mull hypothesis is true is: a. .os b..95 c. 05/25 - 01 d..95/25 = .19 e. insufficient information to answer as the popu 4. The sampling distribution of the mean always has the same distribution of the raw scores. a. mean b. standard deviation c. skew d. a and b e. all of the above S. If the sample size on which a standard deviation is...
Determine the decision criterion for rejecting the null hypothesis in the given hypothesis test, i.e., describe the values of the test statistic that would result in rejection of the null hypothesis. We wish o compare he means of two populations using paired observations. Suppose hat d: 3 12 sd 2. and n : 8 and that you wish to est e h pothesis below at he 1 % level of signiticance hat decision le ou d ou u O A....
1) In hypothesis testing, the region of rejection of the null hypothesis will always be smaller than the region of acceptance of the null hypothesis. True or False? One-sample tests use data drawn from a single sample to test that the sample comes from a specified population. True or False? A study of more than 20,000 mothers of newborns revealed a 10% greater likelihood of purchase by mothers of boys versus mothers of girls. The null hypothesis is: "Mothers of...
If a null hypothesis is rejected at a significance level of 1%, then we should say that it was rejected at 1%. Reporting that the null was also rejected at the 5% level of significance is unnecessary and unwise. True or false?
1 The statement of the alternative hypothesis - not the null hypothesis - always contains the equality. A) True B) False 2. An alternative hypothesis is a claim that holds if the null hypothesis is false. A) True B) False 3. The Hypothesis Test: HniH s 3 vs. Ha: > 3 represents a left-tailed test. A) True B) False 4. A professor refutes the claim that the average student spends three hours studying for the midterm exam. Which hypothesis is...