MATLAB: An Introduction with Applications
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ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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What are the two decisions that you can make from performing a hypothesis test?
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Part 1
What are the two decisions that you can make from performing a hypothesis test? Select all that apply.
make a type I error
reject the alternative hypothesis
make a type II error
reject the null hypothesis
fail to reject the alternative hypothesis
fail to reject the null hypothesis
accept the null hypothesis
accept the alternative hypothesis
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- I. Do the following:a. State the null and alternative hypotheses, identify which represents the claim,b. Determine when a type I or type II error occurs for a hypothesis test of the claim.c. Determine whether the hypothesis test is left-tailed, right-tailed, or two-tailed. Explain your reasoning.d. Explain how you should interpret a decision that rejects the null hypothesis.e. Explain how you should interpret a decision that fails to reject the null hypothesis.ProblemAn agricultural cooperative guarantees that the mean shelf life of a certain type of dried fruit is at least 400 days.II. Conduct a hypothesis testA research center claims that less than 50% of senior high school students in public schools in the Philippines have accessed the Internet using cellular phones. In a random sample of 100 SHS students, 39% say they have accessed the Internet using cellular phones. At = 0.01, is there enough evidence to support the researcher’s claim?arrow_forwardWhat is a type I error? What is a type II error? Choose the correct answer below. C.. O A. A type I error is the mistake of failing to reject the null hypothesis when the null hypothesis is actually true. A type Il error is the mistake of rejecting the null hypothesis when the null hypothesis is actually false. O B. A type I error is the mistake of rejecting the null hypothesis when the null hypothesis is actually false. A type II error is the mistake of failing to reject the null hypothesis when the null hypothesis is actually true. OC. A type I error is the mistake of rejecting the null hypothesis when the null hypothesis is actually true. A type II error is the mistake of failing to reject the null hypothesis when the null hypothesis is actually false. O D. A type I error is the mistake of failing to reject the null hypothesis when the null hypothesis is actually false. A type II error is the mistake of rejecting the null hypothesis when the null hypothesis is actually true.arrow_forwardHello can you answer 4 for mearrow_forward
- DECISION RULE For the following hypothesis test scenario, select the correct decision regarding the null hypothesis. Ho: p = .33 H1: p+.33 a= .10, p-value= .0950 Reject the null hypothesis O Do not reject the null hypothesisarrow_forwardPlease assist with question I am lostarrow_forwardWhich of the following is the first step in hypothesis testing? (a) Developing a null and alternative hypothesis. (b) Drawing a sample from the population. (c) It does not matter where you begin when you test hypotheses. (d) Setting the cutoff value for rejecting the null hypothesis.arrow_forward
- Español Try Again Your answer is incorrect. The proportion of residents in a community who recycle has traditionally been 65%. A policy maker claims that the proportion is less than 65 % now that one of the recycling centers has been relocated, and the policy maker wishses to carry out a hypothesis test. State the null hypothesis H, and the alternative hypothesis H, that the policy maker would use for this test. Ho: 0.65 Aa H: 0.65 S Oarrow_forwarddentify the type I error and the type II error for a hypothesis test of the indicated claim. The percentage of households with more than 1 pet is less than 65%. Identify the type I error. Choose the correct answer below. A. Reject the null hypothesis that the percentage of households with more than 1 pet is less than 65% when it is actually true. B. Fail to reject the null hypothesis that the percentage of households with more than 1 pet is less than 65% when it is actually false. C. Reject the null hypothesis that the percentage of households with more than 1 pet is greater than or equal to 65% when it is actually true. D. Fail to reject the null hypothesis that the percentage of households with more than 1 pet is greater than or equal to 65% when it is actually false. Identify the type II error. Choose the correct answer below. A. Fail to reject the null hypothesis that the percentage of households with more than 1 pet is greater…arrow_forwardQ1A Hi wonderful Bartleby team, I need help with this exercise, please provide answer and short explanation for all the answers. Thanks in advance. The last part of it is the sentence and the options are: -(Reject/ Fail to reject) the null hypothesis. There (Is / Not) sufficient evidence to support the claim that those treated with magnets have a greater mean reduction in pain than those given a sham treatment.arrow_forwardA researcher wanted to determine if carpeted rooms contain more bacteria than uncarpeted rooms. The table shows the results for the number of bacteria per cubic foot for both types of rooms. Full data set O Carpeted Uncarpeted 9.4 9.1 16 10.8 6.4 10.8 14.8 8.8 11.5 11.6 13.7 9.4 10.7 12.4 13.4 7.8 Determine whether carpeted rooms have more bacteria than uncarpeted rooms at the a = 0.05 level of significance. Normal probability plots indicate that the data are approximately normal and boxplots indicate that there are no outliers. State the null and alternative hypotheses. Let population 1 be carpeted rooms and population 2 be uncarpeted rooms. OA Ho P1 H2 B. Ho H1 F2 OC Ho H= H2arrow_forwardDetermine whether the statement is true or false. If it is false, rewrite it as a true statement. In a hypothesis test, you assume the alternative hypothesis is true. Question content area bottom Part 1 Choose the correct answer below. A. True. B. False. In a hypothesis test, you assume the null hypothesis is true. C. False. In a hypothesis test, you make no assumptions.arrow_forwardAnswer all these questions. A, B and C questionsarrow_forwardarrow_back_iosSEE MORE QUESTIONSarrow_forward_ios
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