2 6. 8 9. 10 11 12 13 Classify the hypothesis test as two-tailed, left-taled, or right-talled. At one school, the average amount of time that tenth-graders spend watching television each week is 20.2 hours. The principal introduces a campalgn to encourage the students to watch less television. One year later, the principal wants to perform a hypothesis test to determine whether the average amount of time spent watching television per week has decreased from the previous mean of 20.2 hours. O Left-tailed O Two-tailed O Right-taled Submit Assignm Continue 2021 McGraw-Hill Education. All Rights Reserved Terms of Use Privacy Acces

2 6. 8 9. 10 11 12 13 Classify the hypothesis test as two-tailed, left-taled, or right-talled. At one school, the average amount of time that tenth-graders spend watching television each week is 20.2 hours. The principal introduces a campalgn to encourage the students to watch less television. One year later, the principal wants to perform a hypothesis test to determine whether the average amount of time spent watching television per week has decreased from the previous mean of 20.2 hours. O Left-tailed O Two-tailed O Right-taled Submit Assignm Continue 2021 McGraw-Hill Education. All Rights Reserved Terms of Use Privacy Acces

Name: 246.9.10111213Classify the hypothesis test as two-tailed, left-talled
Uploaded: 2024-03-20T07:07:12.000Z
Channel: Bartleby
Description: 246.9.10111213Classify the hypothesis test as two-tailed, left-talled, or right-talled.At one school, the average amount of time that tenth-graders spend watching television each week is 20.2 hours. The principal introduces a campalgn toencourage th

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

An annual survey of first-year college students asks 276,000 students about their attitudes on a variety of subjects. According to a recent survey, 51% of first-year students believe that abortion should be legal. Use a 0.05 significance level to test the claim that over half of all first-year students believe that abortion should be legal. Formulate the null and alternative hypotheses. Choose the correct answer below. .... A. Ho:p=0.5 O A. O B. Ho: p=0.5 Ha:p#0.5 Ha:p0.5 Find the test statistic. (Round to two decimal places as needed.) Find the P-value for the found test statistic. P-value = |(Round to four decimal places as needed.) State the conclusion. Choose the correct answer below. O A. Reject Ho. There is sufficient evidence to support the claim that over half of all first-year students believe that abortion should be legal. B. Do not reject Ho. There is sufficient evidence to support the claim that over half of all first-year students believe that abortion should be legal. C.…
If you are running a hypothesis test and increase your sample size, what will happen to your Type I and Type Il error? a. Type I will increase, Type Il will increase b. Type I will decrease, Type Il will decrease O c. Type I will increase, Type II will decrease O d. Type l will decrease, Type II will increase
Help me!!
The Bureau of Labor Statistics reports that the official unemployment rate for Black people was 10.4% and 4.7% for White people in February 2015. Select all correct answers for this question. O The samples of white and black people are independent. The explanatory variable is the unemployment rate. The response variable is the unemployment rate. The response variable is race.
Decide whether to reject or fail to reject the null hypothesis. Z (right - tailed test), a = 0.05 Zcomputed = 1.42
According to the February 2008 Federal Trade Commission report on consumer fraud and identity theft, 23% of all complaints in 2007 were for identity theft. In that year, Alaska had 321 complaints of identity theft out of 1,432 consumer complaints ("Consumer fraud and," 2008). Does this data provide enough evidence to show that Alaska had a lower proportion of identity theft than 23%? Test at the 5% level. (i) Which of the following statements correctly defines the null hypothesis HO? A. μ = 321 B. p < 0.23 C. p = 0.23 D. μ < 321 Enter letter corresponding to correct answer (ii) Which of the following statements correctly defines the alternative hypothesis HA? A. μ = 321 B. p < 0.23 C. p = 0.23 D. μ < 321 Enter letter corresponding to correct answer (iii) Enter the level of significance α used for this test: Enter in decimal form. Examples of correctly entered answers: 0.01 0.02 0.05 0.10 (iv) Determine pˆiv Determine p^ Enter…
A newsletter publisher believes that 29% of their readers own a laptop. Is there sufficient evidence at the 0.05 level to refute the publisher's claim? State the null and alternative hypothesis for the above scenario
A university has decided to introduce the use of plus and minus grading as long as there is evidence that 60% of the faculty is in support of this change. Write an appropriate null hypothesis and alternate hypothesis to test if the proportion is greater than 60%.
The business college computing center wants to determine the proportion of business students who have personal computers (PC's) at home. If the proportion differs from 25%, then the lab will modify a proposed enlargement of its facilities. Suppose a hypothesis test is conducted and the test statistic is 2.4. Find the P-value for a two-tailed test of hypothesis. Select one: A.0.0164 B.None of the other answers C.0.4836 D.0.0082 E.0.4918
A food store advertises that their checkout waiting times is four minutes or less. An angry customer wants to dispute this claim. He takes a random sample of shoppers at the peak time and records their checkout times. Can he dispute their claim at significance level 10%? Checkout times: 3.8, 5.3, 3.5, 4.5, 7.2, 5.1 Match the following steps in hypothesis testing. -Step 1 - ✓ Step 2 -✓ Step 3 - ✓ Step 4 -✓ Step 5 Step 6 A. Ho: p = 4 Ha: p 4 Ha: μ = 4 K. We fail to reject the null hypothesis. L. We reject the null hypothesis. M.t-1.6598 N. Ho: p = 4 Ha: > 4 4 O. HO: Ha: p4 P. Ho: 4 Ha: p = 4
a statistics instructor belives that fewer than 25% of NRCC students have a cable TV subcription and instead prefer streaming content. What is the correct NULL hypothesis for this scenario? a. p< .25 b. p< or equal to .25 c. p >.25 d. p > or equal to .25
When asked what it means for the result of a hypothesis test to be practically significant (or practically important), Tatum says this means that the P-value is small and the null hypothesis has been rejected. Why is Tatum wrong?