If a p-value reported in the Excel linear regression output associated with a particular variable is 0.0014, it would indicate this variable: O a. none of the answers provided. O b. is significant if the significance level is O.1. O c. is not significant if the significance level is 0.1. O d. is not significant if the significance level is 0.05. e. is significant if the significance level is 0.01.
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- A sample of n= 120 scores were presented using the tendency(authority) scores to the following predictors age gender, SES, tone of voice, and clothing. Using a two-tailed at the 0.05 level of significance, a multiple regression analysis was computed Using the pvalue, provide your DECISION, whether ACCEPT Ho or REJECT HO,ACCEPT Ha 1) Tenacity and age(pvalue=0.043) 2) Tenacity and gender(pvalue=0.102) 3) Tenacity and SES(pvalue=0.40) 4) Tenancity and voice(pvalue=0.001) 5) Tenancity and clothing(pvalue=0.017)A sample of n= 120 scores were presented using the tendency(authority) scores to the following predictors age gender, SES, tone of voice, and clothing. Using a two-tailed at the 0.05 level of significance, a multiple regression analysis was computed Using the pvalue, provide your DECISION, whether ACCEPT Ho or REJECT HO,ACCEPT Ha 1.) Tenacity and SES(pvalue=0.40) 2.) Tenancity and voice(pvalue=0.001) 3.) Tenancity and clothing(pvalue=0.017)Suppose a researcher has a control group and an experimentalgroup, and would like to compare means between the two groups. Which of the following statistical tests would likely be most suitable? a) an ANOVA b) regression c) a binomial test d) chi-square test e) correlation coefficient f) p-value
- Which sample result would provide evidence that there isan association between two quantitative variables basedon a hypothesis test for the true population slope b?A) Any sample with b1 = 0.B) Any sample with b1 ≠ 0.C) Any sample with b1 7 0.D) Any sample with b1 significantly close to 0.E) Any sample with b1 significantly different from 0.In order to determine a realistic price for a new product that a company wants to market the company’s research department selected 10 sites thought to have essentially identical sales potential and offered the product in each at a different price. The resulting sales are recorded in the accompanying table: Price ($) Sales ($1,000s) 15.00 15 15.50 14 16.00 16 16.50 9 17.00 12 17.50 10 18.00 8 18.50 9 19.00 6 19.50 5 c). Find the equation of the sample regression line using Minitab. d). Interpret the meaning of the coefficients of the equation of the sample regression line.Suppose you estimated the relationship between the exam scores and class sizes. score^ = b0 + b1*Size + e^ Based on the OLS estimate, you obtain the following standard errors and parameter estimates: b0= 95; se(b0) = 30 ; b1= −1.2; se(b1 ) = 0.4 ; n = 25 a) What kind of relationship exist between the exam scores and the clas sizes? Interpret the regression. b) Conduct the following hypothesis test at the 1% significance level: H0 : b1 ≥ 0 H1 : b1 < 0 In your answer draw the distribution of the test statistic that you use, and clearly define the rejection region(s), indicating the critical value(s).
- A sample of n = 120 scores were presented using the Tenacity (authority) scores to the following predictors: age gender, SES, tone of voice, and clothing. Using a two-tailed test at the 0.05 level of significance, a multiple regression analysis was computed: 1. tenacity and age (pvalue = 0.043); 2. tenacity and gender (pvalue = 0.102); 3. tenacity and SES (pvalue = 0.40); 4. tenacity and voice (pvalue = 0.001); 5. tenacity and clothing (value = 0.017); SOrs Using the pvalue, provide your DECISION, whether:Accept Ho or Reject Ho, Accept HaIf a treatment is expected to decrease scores on a variable for which the mean is expected to be u=50,What is the null hypothesis?Which of the following scatterplots provides evidence that the condition of equal variance for inference for the slope of a regression line has not been met?
- A sample of n = 120 scores were presented using the Tenacity (authority) scores to the following predictors: age gender, SES, tone of voice, and clothing. Using a two-tailed test at the 0.05 level of significance, a multiple regression analysis was computed: 1. tenacity and age (pvalue = 0.043); 2. tenacity and gender (pvalue = 0.102); 3. tenacity and SES (pvalue = 0.40); Using the pvalue, provide your DECISION, whether: Accept Ho or Reject Ho, Accept HaWhich of the following represents a possible alternative hypothesis for an analysis of variance (ANOVA)? Group of answer choices H0: µ1 = µ2 > µ3 H0: µ1 > µ2 > µ3 H0: µ1 = µ2 = µ3 H1: µ1 ≠ µ2 ≠ µ3Considering a treadmill test given to patients being tested for high blood pressure, male patients took their pulse rates before and after running for 5 min. Subject 1 2 3 4 5 6 7 8 9 10 Pulse before 64 100 85 60 92 85 68 85 85 68 Pulse after 68 115 84 68 105 92 72 88 80 92 Using a 0.05 significance level, perform the 8-step hypothesis test to test the claim that the mean difference between the pulse rates before and after the run is significantly zero. Based on the result, do the male pulse rates taken before and after running appear to be about the same or not?