Statistics for Management and Economics (Book Only)
11th Edition
ISBN: 9781337296946
Author: Gerald Keller
Publisher: Cengage Learning
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Question
Chapter 11.1, Problem 3E
To determine
Frame the hypothesis.
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When defining the hypothesis, we present…
a.
None of the responses
b.
The null hypothesis only
c.
The alternative hypothesis only
d.
The null and alternative hypotheses
State whether you made a Type I error, a Type II error, or the correct conclusion.
Children in your community have on average less than 5.2 books at home, and you fail to reject the hypothesis that they have greater than or equal to 5.2 books.
When conducting a hypothesis test, you obtain a large p-value. This implies ...
a- that the observed value is consistent with the null hypothesis
b- a rejection of the null hypothesis
c- the observed value is larger than cut-off value specified by the test
d- that the t-satistic is large
What is the answer?
Chapter 11 Solutions
Statistics for Management and Economics (Book Only)
Ch. 11.1 - Prob. 1ECh. 11.1 - Prob. 2ECh. 11.1 - Prob. 3ECh. 11.1 - Prob. 4ECh. 11.1 - Prob. 5ECh. 11.1 - Prob. 6ECh. 11.2 - Prob. 7ECh. 11.2 - Prob. 8ECh. 11.2 - Prob. 9ECh. 11.2 - Prob. 10E
Ch. 11.2 - Prob. 11ECh. 11.2 - Prob. 12ECh. 11.2 - Prob. 13ECh. 11.2 - Prob. 14ECh. 11.2 - Prob. 15ECh. 11.2 - Prob. 16ECh. 11.2 - Prob. 17ECh. 11.2 - Prob. 18ECh. 11.2 - Prob. 19ECh. 11.2 - Prob. 20ECh. 11.2 - Prob. 21ECh. 11.2 - Prob. 22ECh. 11.2 - Prob. 23ECh. 11.2 - Prob. 24ECh. 11.2 - Prob. 25ECh. 11.2 - Prob. 26ECh. 11.2 - Prob. 27ECh. 11.2 - Prob. 28ECh. 11.2 - Prob. 29ECh. 11.2 - Prob. 30ECh. 11.2 - Prob. 31ECh. 11.2 - Prob. 32ECh. 11.2 - Prob. 33ECh. 11.2 - Prob. 34ECh. 11.2 - Prob. 35ECh. 11.2 - Prob. 36ECh. 11.2 - Prob. 37ECh. 11.2 - Prob. 38ECh. 11.2 - Prob. 39ECh. 11.2 - Prob. 40ECh. 11.2 - Prob. 41ECh. 11.2 - Prob. 42ECh. 11.2 - Prob. 43ECh. 11.2 - Prob. 44ECh. 11.2 - Prob. 45ECh. 11.2 - Prob. 46ECh. 11.2 - Prob. 47ECh. 11.2 - Prob. 48ECh. 11.2 - Prob. 49ECh. 11.2 - Prob. 50ECh. 11.2 - Prob. 51ECh. 11.2 - Prob. 52ECh. 11.2 - Prob. 53ECh. 11.2 - Prob. 54ECh. 11.2 - Prob. 55ECh. 11.2 - Prob. 56ECh. 11.2 - Prob. 57ECh. 11.2 - Prob. 58ECh. 11.2 - Prob. 59ECh. 11.3 - Prob. 60ECh. 11.3 - Prob. 61ECh. 11.3 - Prob. 62ECh. 11.3 - Prob. 63ECh. 11.3 - Prob. 64ECh. 11.3 - Prob. 65ECh. 11.3 - Prob. 66ECh. 11.3 - Prob. 67ECh. 11.3 - Prob. 68ECh. 11.3 - Prob. 69ECh. 11.3 - Prob. 70ECh. 11.3 - Prob. 71ECh. 11.3 - Prob. 72ECh. 11.3 - Prob. 73ECh. 11.3 - Prob. 74ECh. 11.3 - Prob. 75ECh. 11.3 - Prob. 76ECh. 11.3 - Prob. 77ECh. 11.3 - Prob. 78ECh. 11.3 - Prob. 79E
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Similar questions
- Consider Scenario A from the previous question. State whether you made a Type I error, a Type II error, or the correct conclusion. Children in your community have on average less than 5.2 books at home, and you reject the hypothesis that they have greater than or equal to 5.2 books. Children in your community have on average less than 5.2 books at home, and you fail to reject the hypothesis that they have greater than or equal to 5.2 books. Children in your community have on average greater than or equal to 5.2 books at home, and you reject the hypothesis that they have greater than or equal to 5.2 books.arrow_forwardHow is the null hypothesis for a correlation different than a null hypothesis for a t-test?arrow_forwardThe probability of finding a significant result if the hypothesis is true is called ______. significance level statistical power consistency minimum detectable effect sizearrow_forward
- When a true null hypothesis is rejected in a hypothesis test, the researcher or analyst hasA. committed a Type I errorB. committed a Type II errorC. made the correct decision.D. to perform the study again.arrow_forwardWrite a paper using the following headlines: Describe what panel data is and the reasons for using it Assess the importance of fixed and random effects What is the Hausman Test? Explain its relevance. Explain when fixed effects, random effects or pooled OLS models are usually used.arrow_forwardWhen a true null hypothesis is rejected in a hypothesis test, the researcher or analyst hasA. committed a Type I errorB. committed a Type II errorC. made the correct decision.D. to perform the study again.asaparrow_forward
- You are asked to perform a hypothesis test that population proportion is different from 0.35. Which of the following is the correct statement of the null and alternative hypotheses for this test? a H₀: π = 0.35 H₁: π ≠ 0.35 b H₀: π ≠ 0.35 H₁: π = 0.35 c H₀: π ≥ 0.35 H₁: π < 0.35 d H₀: π ≤ 0.35 H₁: π > 0.35arrow_forwardWhat are the warnings of using the OLS approach to hypothesis testing? Discuss.arrow_forwardwhat are the general steps in testing statistical hypothesisarrow_forward
- HYPOTHESIS TESTING Lesson : Test of Means Two groups of experimental rats were injected with tranquilizer at 1.0mg dose and at 1.5 mg dose, respectively. The time given in seconds that took them to fall asleep is hereby given in the table below. A B 1 Dosage A Dosage B (1.0 mg) (1.5 mg) 2 9.8 12 3 13.2 7.4 4 11.2 9.8 5 9.5 11.5 6 13 13 7 12.1 12.5 8 9.8 9.8 9 12.3 10.5 10 7.9 13.5 11 10.2 12 9.7 Using the MS Excel, run an independent samples t test at to test the null hypothesis that there is no significant difference brought about by the dosages on the length of time it took for the rats to fall…arrow_forwardYou and your research partner want to use Instrumental Variable analysis to write an econometrics paper and find causal estimates. Your partner argues that because the residuals and the instrument are uncorrelated, the exogeneity requirement is satisfied. What do you tell your research partner: a) You agree, the exogeneity requirement is satisfied by construction b) You agree, the exogeneity requirement is satisfied by their demonstration c) You disagree, you would need the results of the White Test to make this conclusion d) You disagree, the exogeneity requirement cannot be tested as we do not observe the error terms e) You cannot make any conclusions with the current informationarrow_forwardConjecture: the average grade in the class is a 75. What is the alternative hypothesis assuming a 2-tailed t-test? The Average Grade is greater than 75 The Average Grade is less than 75 The Average Grade is not equal to 75 The Average Grade equals 75arrow_forward
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