c) The following output was obtained via Microsoft Excel. What does it lead you the output to full execute the significance test tied to (a) and (b) above. MAKE CONCLUSIONS as to the context of the problem. (Use a = 0.05) t-Test: Two-Sample Assuming Unequal Variances Normal End of Aisle Mean 50.3 72 Variance 350.68 157.33 Observations 10 10 Hypothesized Mean Difference 0. t Stat -3.0446
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- A psychologist wants to demonstrate the effectiveness of ACT therapy for the treatment of depression. 30 people who were seeking treatment for depression asked to complete the Beck depression inventory (BDI) before the first sessionof therapy and again after one month of therapy. Which statistical test would be best to determine if there is a significant difference between measures? One sample t-test Dependent samples t-test Independent samples t- test ANOVAA bank wants to determine whether a customer's current balance can be used to predict future earning potential. What would be the most appropriate procedure to use to analyze data to answer this question? Only choose a test that handles multiple comparisons if such a test is needed. O Chi-square test of association O ANOVA (Analysis of Variance) O Regression Test of Slope or Correlation O Test for a Difference of Proportions O Test for a Difference of Means1
- The Insurance Institute for Highway Safety publishes data on the total damage suffered by compact automobiles in a series of controlled, low-speed collisions. The cost for a sample of 9 cars, in hundreds of dollars, is provided below. 10, 6, 8, 10, 5, 3.5, 7.5, 7,9.5 Find interquartile range for mileage data and value of variance.12) Please provide a correct answer with a full method explanation and do not copy and past from other similar questions.Please answer and show all work. Thank you!!!
- An article reported a survey of patients with Parkinson's disease. Of 161 patients who said they exercised regularly, 77 reported failing in the previous six months. Of 94 patients who said they did not exercise regularly, 48 reported falling in the previous six months. Can you conclude the proportion of patients who fall is less for those who exercise than for those who do not? Use the significance level of 0.05. Type the Computed Testing.Explain whether the Empirical Rule can be used to describe the chosen data sets in Part 3a. Justify your response with a thorough explanation. Hint: Do either have outliers and/or extreme skewness? Variable1 (Female Height): Variable 2 (Female Weight): Min 54.2 75.3 Q1 60.4 118.4 Median (Q2) 62.4 170.8 Q3 65.6 212.2 Max 74.9 396.1A brokerage firm wants to conduct a study to see if there is a linear relationship between the size of an account and the number of trades conducted each year. What would be the most appropriate procedure to use to analyze data to answer this question? Only choose a test that handles multiple comparisons if such a test is needed. O ANOVA (Analysis of Variance) O Regression Test of Slope or Correlation O Test for a Difference of Proportions O Chi-square test of association O Test for a Difference of Means
- Use the attached table to answer the following: What is the dependent (response, outcome) variable? What is the independent (explanatory) variable? Describe the pattern of association between subjective class and satisfaction with financial situation.Which of the following conclusions is correct for these test results? > bartlett.test(len~river, data=rivers) Bartlett test of homogeneity of variances data: len by river Bartlett's K-squared = 0.61394, df = 4, p-value = 0.5226 %3D Hint* the first line of code should tell you the type of test you are dealing with. There is NO significant difference in variances among the rivers. There is a significant difference in variances among the rivers. There is NO significant difference in means among the rivers.Using the partially completed analysis of variance and table of means provided below, answer the following questions. Use the .05 significance level. All three groups have the same sample size. Source SS df MS F Treatment 3.9302 Error 9.03 Total 26 Group A B C sample mean 278.3 275.4 274.5 Find the value of LSD for comparing Groups A and B. QUESTION 11 Is the difference between groups A and B significant? yes no maybe? Antidisestablishmentarianism QUESTION 12 What's the value of SSTR? QUESTION 13 What's the value of SSE?