Select the most appropriate response.5.Which type of alternative hypothesis would have the critical region shown in the figure below?a) H:#kb) H,:kd) H =kTrue or False.If the p-value is less than alpha, the null hypothesis should be rejected

Answered: Select the most appropriate response.…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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In a study with a non-directional hypothesis... a. There is a single rejection region with an area that corresponds to the alpha level. b. There are two rejection regions that have the same area that adds up to the alpha level. c. There are two rejection regions that have the same area that adds up to the p-value. d. There is a single rejection region with an area that corresponds to the p-value.
Which of the following is not a correct way to state a null hypothesis? A Ho:P1- P2= o B Ho: H1 - H2 =0 C Ho: H=0 D Ho: p=0.5
Consider the hypotheses shown below. Given that x= 118, o =27, n= 45, a=0.10, complete parts a through c below. Ho: H= 128 HA H#128 a. State the decision rule in terms of the critical value(s) of the test statistic. Reject the null hypothesis if the calculated value of the test statistic, is the critical value(s), Otherwise, do not reject the null hypothesis. (Round to two decimal places as needed. Use a comma to separate answers as needed.) b. State the calculated value of the test statistic. The test statistic is (Round to two decimal places as needed.) c. State the conclusion. Because the test statistic the null hypothesis and conclude the population mean Question Viewer equal to 128. Enter your answer in each of the answer boxes.
A researcher selects a sample and administers a treatment for anxiety to the individuals in the sample. If the sample is used for a hypothesis test, what does the null hypothesis (Ho) put forth about the treatment? O The treatment has an effect on anxiety. O The treatment divides each anxiety score by a constant. O The treatment multiplies each anxiety score by a constant. The treatment has no effect on anxiety.
I. M. Schurr claims that students enjoy online classes more than professors. In order to test his claim, Schurr takes a sample of 60 students and determines 80% of the students enjoy online classes. For a sample of 40 professors, Schurr finds that 55% of the professors enjoy online classes. Do the data support Schurr’s claim that students enjoy online classes more than professors? a. State the null and alternative hypothesis that would be used to test whether students enjoy online classes more than professors.b. What is the appropriate test statistic?c. Determine the critical value(s) for this test using a 1% significance level.d. Calculate the value of the test statistic.e. What is your decision and conclusion?
When is a researcher at risk of making a Type II error? a. whenever H0 is rejected b. whenever H1 is rejected c. whenever H0 fails to be rejected d. The risk of a Type II error is independent of the decision from a hypothesis test.
Let population 1 represent teenagers. Let population 2 represent young adults. A person collected two independent, random samples to test if the average teenager get enough sleep per week is more than the average number of sleep that a young adult gets per week. The following hypotheses were used: Ho:μ1 = μ2 Ha: μ1> μ2 The hypothesis test will completed the using significant level .05. Random samples, one from each population, were selected. The resulting study produced a p-value = .265. 1.) What conclusion should the person draw in regard to the study between teenagers and young adults. Sum up your results. 2.) A p-value= .265 would be considered a.) High significant b.) Not significant c.) Little information to tell.
You collect N = 200 frogs from a pond and find that 120 of them are female. You wish to conduct the following hypothesis test (α = 0.05) for p (the proportion of female frogs in the pond): H0 : p = 0.55 HA : p > 0.55 Determine which of the following statements are true. Assume the true p = 0.65. I. The one-sided p-value is 0.1528. II. You reject the null hypothesis H0. III. You fail to reject H0 and make a Type II error. Group of answer choices I and III only III only I only None of the Above II only
4. The decision-making process A graduate student believes that people consider faces with more contrast between lip color and skin tone as more feminine. She identifies the null and alternative hypotheses as: Ho: The level of contrast between lip color and skin tone does not affect how feminine a face is considered. H1: The level of contrast between lip color and skin tone affects how feminine a face is considered. She chooses a significance level of 0.01. After she collects the data and computes the sample statistics, it is time for her to make a decision about Ho. Check the two possible decisions that the graduate student can make given her choices of Ho and H1. Check all that apply. O There is not enough evidence to reject the hypothesis that the contrast between lip color and skin tone does not affect how feminine a face is considered. O There is not enough evidence to reject the hypothesis that the contrast between lip color and skin tone affects how feminine a face is…
Suppose you want to test the claim that 4
If the α-level (alpha level) is made larger, then: Group of answer choices The P-value will be smaller, as well. The hypothesis test will most likely be two-sided. The null hypothesis is less likely to be rejected. The null hypothesis is more likely to be rejected.
You collect N = 200 frogs from a pond and find that 120 of them are female. You wish to conduct the following hypothesis test (α = 0.05) for p (the proportion of female frogs in the pond): H0 : p = 0.55 HA : p > 0.55 Determine which of the following statements are true. Assume the true p = 0.65. I. The one-sided p-value is 0.1528. II. You reject the null hypothesis H0. III. You fail to reject H0 and make a Type II error. Group of answer choices None of the Above III only I and III only II only I only

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Select the most appropriate response. 5. Which type of alternative hypothesis would have the critical region shown in the figure below? a) H:#k b) H,:k d) H =k True or False. If the p-value is less than alpha, the null hypothesis should be rejected