Given the following : Y= 10 - 3 X, +5 X2- 2 X3 , based on a sample of 20 observations.SSR = 360, SSE = 150. Perform an F test for overall significance (critical value at 95% confidence 3.24)Select one:a. Reject the null hypothesis and conclude the overall model is insignificant2b. Reject the null hypothesis and conclude the overall model is significantO C. Fail to reject the null hypothesis and conclude the model is insignificant29O d. Fail to reject the null hypothesis and conclude the overall model is significant36FiniNext pageeNEXT ACTIVITYTIVITYJump to...Midterm 1

Given : There are 3 independent variables Degrees of freedom of Regression = number of independent…

Answered: Given the following : Y= 10-3X + 5 X2-…

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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Which of the following is the best decision and conclusion based on the result below? H.: p = 0.10 Ha:p + 0.10 Critical Value: +1.645 Computed Test Statistics: z = 5.61 O a. Since the computed test statistics is less than the critical value, do not reject Ho. Therefore, we conclude that at 0.10 level of significance, there is enough evidence that the population proportion is different from 10%. O b. Since the computed test statistics is less than the critical value, do not reject Ho. Therefore, we conclude that at 0.10evel of significance, there is enough evidence that the population proportion is different from 10%. O c. Since the computed test statistics is greater than the critical value, reject Ho. Therefore, we conclude that at 0.10 level of significance, there is enough evidence that the population proportion is different from 10%. O d. Since the computed test statistics is less than the critical value, reject Ho. Therefore, we conclude that at 0.10 level of significance, there…
A Chi square test has been conducted to assess the relationship between marital status and church attendance. The obtained Chi square is 7.45 and the critical Chi square is 9.488. What may be concluded? Group of answer choices A.reject the null hypothesis, church attendance and marital status are independent B.fail to reject the null hypothesis, church attendance and marital status are independent C.Reject the null hypothesis, church attendance and marital status are dependent D.fail to reject the null hypothesis, church attendance and marital status are dependent
a. State the null and research hypotheses: H0: H1: b. Is the F statistic for Levene’s test significant? c. What is the alpha level for the t-test? d. Obtained t-value: e. Significance level for the t-test: f. Decision rule: If the significance level of the obtained t statistic is greater than ____ (alpha level), we fail to reject the null hypothesis. If the significance level of the obtained t statistic is equal to or less than ____ (alpha level), we reject the null hypothesis. g. Decision: Since the significance level of the obtained t statistic is _____ and it is __________(greater or less) than ____ (alpha level), we ________(reject or fail to reject) the null hypothesis. h. Interpretation/conclusion:
Assume a significance level of α=0.1 and use the given information to complete parts (a) and (b) below. Original claim: The mean pulse rate (in beats per minute) of a certain group of adult males is 70 bpm. The hypothesis test results in a P-value of 0.0025. a. State a conclusion about the null hypothesis. (Reject H0 or fail to reject H0.) Choose the correct answer below. A. Fail to reject H0 because the P-value is less than or equal to α. B. Reject H0 because the P-value is less than or equal to α. C. Reject H0 because the P-value is greater than α. D. Fail to reject H0 because the P-value is greater than α. b. Without using technical terms, state a final conclusion that addresses the original claim. Which of the following is the correct conclusion? A. The mean pulse rate (in beats per minute) of the group of adult males is 70 bpm. B. There is sufficient evidence to warrant rejection of the claim that the…
Use the given information to find the p-value. Also, use a 005 significance level and state the conclusion about the null hypothesis (reject the null hypothesis or fail to reject the nul hypothesis). With H pr0.377, the test statistic is z3.06. OA 0.0011, tail to reject the null hypothesis OB. 0.0011: reject the null hypothesis OC. 0022, reject the null hypothesis OD. 0.0022. tail to reject the null hypothesis
A researcher uses a between-subjects ANOVA to compare the mean SAT scores from 5 school districts in the state of Idaho. He computes the following test statistic: F(4, 15) = 6.23. School District 1 2 3 4 5 M 500 560 480 430 450 SD 100 120 130 110 140 The critical value = 5.87. State the appropriate decision (reject/fail to reject) regarding the null hypothesis (alpha = 0.05). Then give a brief explanation of what the results mean in the context of this study, given the information you have been provided. I'm not looking for APA here. If you were to reject or fail to reject the null, simply explain what that means using language that anyone should be able to understand
Consider testing H,: B1 = 0 and B2 = 0 under the assumption that the individual t- statistics from the individual hypothesis tests are independent of one another. Consider the "one at a time" test, which tests the joint hypothesis by combing the individual null hypotheses using the individual t-statistics. Solve for the size of the "one at a time" test when the significance level a = 0.1. %3D
Given the following : Y= 10 - 3 X, + 5 X2 - 2 X3 , based on a sample of 20 observations. SSR = 360, SSE = 150. Perform an F test for overall significance (critical value at 95% confidence 3.24) Select one: a. Reject the null hypothesis and conclude the overall model is insignificant b. Reject the null hypothesis and conclude the overall model is significant O c. Fail to reject the null hypothesis and conclude the model is insignificant 29 d. Fail to reject the null hypothesis and conclude the overall model is significant 3E Fini Next page e NEXT ACTIVITY TIVITY Jump to. Midterm 1
3. For a z-test we get a test statistic of z=2.05. If our alternative hypothesis is "??:?>13Ha:μ>13", what Excel command would we use to compute the P-value? If our alternative hypothesis is "??:?<13Ha:μ<13", what Excel command would se use to compute the P-value?
A hypothesis test will be conducted and after summarinzing the data, the observed test statistic is z = 1.9. Explain how much evidence we have against the null hypothesis (H0) and for the alternative hypothesis (Ha) in each of the following sets of hypotheses: Explain the reason that the answer differs depending on the chosen alternative hypothesis.
The NAEP considers that a national average of 283 is an acceptable performance. Using α = .05, run a two-tail t-test for one sample to test Ho: µ=283 for the 2019 scores. Report the t-obt, df, and p-values. Would you reject the null hypothesis that the 2019 scores come from a population with average 283? If this is the case, does it come from a population from larger or smaller average?
8.2 Use technology to find the P-value for the hypothesis test described below. The claim is that for a smartphone carrier's data speeds at airports, the mean is μ=17.00 Mbps. The sample size is n=21 and the test statistic is t=−1.798

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