A recent survey reported that small businesses spend 22 hours a week marketing their business. A local chamber of commerce claims that small businesses in their area are not growing because these businesses are spending less than 22 hours a week on marketing. The chamber conducts a survey of 69 small businesses within their state and finds that the average amount of time spent on marketing is 21.4 hours a week. Assuming that the population standard deviation is 2.4 hours, is there sufficient evidence to support the chamber of commerce's claim at the 0.05 level of significance? Step 1 of 3: State the null and alternative hypotheses for the test. Fill in the blank below. Answer Η : μ = 22 Ha P O < O O 22 Keypad Keyboard Shortcut Tables

A recent survey reported that small businesses spend 22 hours a week marketing their business. A local chamber of commerce claims that small businesses in their area are not growing because these businesses are spending less than 22 hours a week on marketing. The chamber conducts a survey of 69 small businesses within their state and finds that the average amount of time spent on marketing is 21.4 hours a week. Assuming that the population standard deviation is 2.4 hours, is there sufficient evidence to support the chamber of commerce's claim at the 0.05 level of significance? Step 1 of 3: State the null and alternative hypotheses for the test. Fill in the blank below. Answer Η : μ = 22 Ha P O < O O 22 Keypad Keyboard Shortcut Tables

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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Part 1 of 4 If P=0.01, the result is statistically significant at the a= 0.01 level. The statement is (Choose one) Part 2 of 4 X If P = 0.01, the null hypothesis is rejected at the a= 0.01 level. The statement is (Choose one) X S
please answer d, e, f
Activity1: Formulate the null and alternative hypotheses. Identify whether it is one-tailed or two tailed. If the hypothesis is one-tailed, identify its direction whether left or right. Write your answer on a separate sheet of paper. Note: You need to provide 3 answers (null hypothesis, alternative hypothesis, and ___-tailed test) for each question.
section 10.2 Step 1 of 3 : State the null and alternative hypotheses for the test. Fill in the blank below. Step 2 of 3 : Compute the value of the test statistic. Round your answer to three decimal places. Step 3 of 3: Do we reject the null hypothesis? Is there sufficient or insufficient data?
Imagine you are doing a Related-Samples t-test, and you are on Step Three of the hypothesis test. The sample of difference scores that you calculated is -5, -6, +2, -2, 0. What is the correct t-obtained? NOTE: The answer options also show many numbers that you calculate as part of the WORK for getting the t-obtained. VERY IMPORTANT HINT: The SS of these difference scores is 44.80.
section 10.3 Step 1 of 3 : State the null and alternative hypotheses for the test. Fill in the blank below. Step 2 of 3 : Compute the value of the test statistic. Round your answer to three decimal places. Step 3 of 3: Do we reject the null hypothesis? Is there sufficient or insufficient data?
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• Question 16 A news article that you read stated that 53% of voters prefer the Democratic candidate. You think that the actual percent is different. 122 of the 272 voters that you surveyed said that they prefer the Democratic candidate. What can be concluded at the 0.10 level of significance? a. For this study, we should use Select an answer b. The null and alternative hypotheses would be: Ho: ?v| Select an answerv (please enter a decimal) H1: |?vSeect an answerV (Please enter a decimal) c. The test statistic ?v = (please show your answer to 3 decimal places.) d. The p-value = (Please show your answer to 4 decimal places.) e. The p-value is ?v a f. Based on this, we should Select an answerv the null hypothesis. g. Thus, the final conclusion is that ... O The data suggest the population proportion is not significantly different 53% at a = 0.10, so there is not sufficient evidence to conclude that the proportion of voters who prefer the Democratic candidate is different 53%. O The data…
Which of the following is NOT one of the steps for hypothesis testing? a. Verify data conditions and calculate a test statistic. O b. Assuming the alternative hypothesis is true, find the p-value. O c. Determine the null and alternative hypotheses. O d. Assuming the null hypothesis is true, find the p-value.
Subject : Statestic
Solve b