A social scientist would like to predict perceived conflict resolution skill level from a set of six predictor variables for a sample of 41 participants. Use a significance level of a 0.01. Except for the P-value, report all answers accurate to 3 decimal places; report the P-value accurate to 4 decimal places. Source SS df MS F P-value Regression 21 Residual 408 ТОTAL What is your decision for the hypothe test? Reject the null hypothesis, Ho: B1 = B2 = ... = B6 = 0 Fail to reject Ho What is your final conclusion? OThe evidence supports the claim that one or more of the regression coefficients is non-zero The evidence supports the claim that all of the regression coefficients are zero There is insufficient evidence to support the claim that at least one of the regression coefficients is non-zero There is insufficient evidence to support the claim that all of the regression coefficients are equal to zero

A social scientist would like to predict perceived conflict resolution skill level from a set of six predictor variables for a sample of 41 participants. Use a significance level of a 0.01. Except for the P-value, report all answers accurate to 3 decimal places; report the P-value accurate to 4 decimal places. Source SS df MS F P-value Regression 21 Residual 408 ТОTAL What is your decision for the hypothe test? Reject the null hypothesis, Ho: B1 = B2 = ... = B6 = 0 Fail to reject Ho What is your final conclusion? OThe evidence supports the claim that one or more of the regression coefficients is non-zero The evidence supports the claim that all of the regression coefficients are zero There is insufficient evidence to support the claim that at least one of the regression coefficients is non-zero There is insufficient evidence to support the claim that all of the regression coefficients are equal to zero

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Description: A social scientist would like to predict perceived conflict resolution skill level from a set of sixpredictor variables for a sample of 41 participants. Use a significance level of a0.01.Except for the P-value, report all answers accurate to 3 decim

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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A data ninja has created a multiple regression model. There are 3 independent variables in the model. The variables and their P-values can be found in the table below. Independent VariableP-ValueX1: Advertising0.142X2: Social Media0.006X3: Coupons0.071 QUESTION: Study the P-Values. At 90% confidence level, which independent variable(s) can be proven significant in the model? Group of answer choices X3 only X1 only X2 only X2 and X3
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You are conducting a study to see if the proportion of men over 50 who regularly have their prostate examined is significantly more than 0.52. You use a significance level of a = 0.05. Ho:p = 0.52 H1:p> 0.52 You obtain a sample of size n = 556 in which there are 308 successes. What is the test statistic for this sample? (Report answer accurate to three decimal places.) test statistic = What is the p-value for this sample? (Report answer accurate to four decimal places.) p-value = The p-value is... less than (or equal to) a greater than a This test statistic leads to a decision to... reject the null accept the null fail to reject the null As such, the final conclusion is that. There is sufficient evidence to warrant rejection of the claim that the proportion of men over 50 who regularly have their prostate examined is more than 0.52. There is not sufficient evidence to warrant rejection of the claim that the proportion of men over 50 who regularly have their prostate examined is more…
Salma claimed that the gas price in Blue Park neighborhood (mean of $3.65) is higher than that in Green Spring (mean of $3.59). She obtained the t-value of 2.223 after calculating data from 6 gas stations in Blue Park and 5 gas stations in Green Spring. Use the chart below and determine if Salma's claim is supported! Table 10-3. Critical values of "t" significance level p= 0.05 significance level p= 0.01 TP 1 12.706 63.657 2 4.303 9.925 3 3.182 5.841 2.776 4.604 5 2.571 4.032 6 2.447 3.707 7 2.365 3.499 2.306 3.355 9 2.262 3.250 10 2.228 3.169 11 2.201 3.106 Copy the following into your text box, fill in the blanks, and answer the questions A. The degree of freedom is: B. The t-calculated value is: and the t-critical value is : C. Comparison: t-calc t-crit (answer with ()) D. Is the null hypothesis accepted or rejected? Explain how you determined that! Also, explain what it means to reject or accept the hypothesis! E. Explain if Salma's claim is supported based on your t-value…
The summary statistics are n=85, x=3.93, s=0.63. Use a 0.01 significance level to test the claim that the population of student course evaluations has a mean equal to 4.00. identify null/ alt hypothesis, test statistic, P- value, and state final conclusion that addresses the original claim
You are conducting a study to see if the proportion of voters who prefer Candidate A is significantly more than 0.34. You use a significance level of a = 0.001 Ho:p = 0.34 H1:p > 0.34 You obtain a sample of sizen = 266 in which there are 114 successes. What is the test statistic for this sample? (Report answer accurate to three decimal places.) test statistic = What is the p-value for this sample? (Report answer accurate to four decimal places.) p-value = | The p-value is... O less than (or equal to) x O greater than a This test statistic leads to a decision to... O reject the null O accept the null O fail to reject the null As such, the final conclusion is that... O There is sufficient evidence to warrant rejection of the claim that the proportion of voters who prefer Candidate A is more than 0.34. O There is not sufficient evidence to warrant rejection of the claim that the proportion of voters who prefer Candidate A is more than 0.34. O The sample data support the claim that the…
You are conducting a study to see if the proportion of men over 50 who regularly have their prostate examined is significantly different from 0.45. You use a significance level of α=0.002. H0:p=0.45 H1:p≠0.45You obtain a sample of size n=196 in which there are 81 successes.What is the test statistic for this sample? (Report answer accurate to three decimal places.)test statistic = What is the p-value for this sample? (Report answer accurate to four decimal places.)p-value = The p-value is... less than (or equal to) αα greater than αα This test statistic leads to a decision to... reject the null accept the null fail to reject the null As such, the final conclusion is that... There is sufficient evidence to warrant rejection of the claim that the proportion of men over 50 who regularly have their prostate examined is different from 0.45. There is not sufficient evidence to warrant rejection of the claim that the proportion of men over 50 who regularly have their…
Answer the following to summarize the test of the hypothesis that there is no dependence between the two variables color vision of participant and trial outcome. For your test, use the 0.05 level of significance. a. Find the value of the test statistic. (Round to two or more decimal places.) b. Find the critical value for a test at the 0.05 level of significance. (Round to two or more decimal places.) c. Can we reject the hypothesis that there is no dependence between the variables color vision of participant and trial outcome? Use the 0.05 level of significance.
You are conducting a study to see if the proportion of women over 40 who regularly have mammograms is significantly more than 0.79. You use a significance level of a 0.01. Ho:p = 0.79 H1:p > 0.79 You obtain a sample of size n 253 in which there are 213 successes. What is the test statistic for this sample? (Report answer accurate to three decimal places.) test statistic = What is the p-value for this sample? (Report answer accurate to four decimal places.) p-value = The p-value is... O less than (or equal to) a O greater than a This test statistic leads to a decision to... O reject the null O accept the null O fail to reject the null