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The following computer output was used as a part of the model adequacy check. Conduct the appropriate hypothesis testing based on the output using the standard 6 step apor
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- When determining whether grounding accidents and hull failures result in different spillage (is there a difference between spills caused by grounding or hull failures) would I use a two tail t test to decide this?An automobile dealer conducted a test to determine if the time in minutes needed to complete a minor engine tune-up depends on whether a computerized engine analyzer or an electronic analyzer is used. Because tune-up time varies among compact, intermediate, and full-sized cars, the three types of cars were used as blocks in the experiment. The data obtained follow. Analyzer Computerized Electronic Car Compact 52 43 Intermediate 55 44 Full sized 61 45 Use ? = 0.05 to test for any significant differences. State the null and alternative hypotheses. H0: ?Compact ≠ ?Intermediate ≠ ?Full-sizedHa: ?Compact = ?Intermediate = ?Full-sized H0: ?Compact = ?Intermediate = ?Full-sizedHa: ?Compact ≠ ?Intermediate ≠ ?Full-sized H0: ?Computerized = ?Electronic = ?Compact = ?Intermediate = ?Full-sizedHa: Not all the population means are equal. H0: ?Computerized ≠ ?ElectronicHa: ?Computerized = ?Electronic H0: ?Computerized = ?ElectronicHa: ?Computerized ≠ ?Electronic Find the…Need help writing a null hypothesis for the bivariate relationship shown in the SPSS output.
- please contruct a chi sqaured analysis or t test from the data below Prevalence of Type 2 diabetes in UK- YEAR NUMBER OF PATIENTS WITH TYPE 2 DIABETES 2010 2455937 2011 2566436 2012 2703044 2013 2814004 2014 2913538 2015 2972408 2016 3116399 2017 3196124 2018 3,919,505 2019 3,940,000 2020 4,100,000 2021 4,245,900 2022 4,345,000For all students enrolled during the previous Spring semester, it was found that 48% of all those students enrolled utilized the services of the English Study Skills Center (ESSC). This numerical measure would be considered a: A) Parameter B) StatisticThe following table was generated from the sample data of 1010 newborn babies regarding the weight of the mother at birth, the weight of the father at birth, and the weight of the baby at birth. The dependent variable is the weight of the baby, the first independent variable (x1�1) is the mother's weight, and the second independent variable (x2�2) is the father's weight. Coefficients Standard Error t-Stat p-value Intercept 19.06191619.061916 4.6214824.621482 4.1246334.124633 0.0044340.004434 Mother's Weight −0.184579−0.184579 0.3591350.359135 −0.513955−0.513955 0.6231050.623105 Father's Weight −1.531542−1.531542 0.3667930.366793 −4.175489−4.175489 0.0041610.004161 Copy Data Step 1 of 2 : Write the multiple regression equation for the computer output given. Round your answers to three decimal places.
- When performing a Mann-Whitney Utest, one should always use the higher value of the calculated U values to compare to the critical U value while making the decision rule. True FalseThe Florida State University nursing department is running a Chi Squared analysis and have set their significance at 95%. Based on the following statistical statement, χ2(3, N = 248) = 4.37, p < .51, the researchers should fail to reject the null.Which of the following statements is true of Group 1’s mean FIQ score? Group of answer choices: 1. Group 1’s mean FIQ score is not significantly different from Group 2’s mean FIQ score 2. Group 1’s mean FIQ score is significantly different from Group 2’s mean FIQ score 3. Group 1’s mean FIQ score is significantly higher than Group 2’s mean FIQ score 4. Group 1’s mean FIQ score is significantly lower than Group 2’s mean FIQ score 5. None of the above
- For the homogeneity of variance assumption, (a)describe the boxplots (b)will the assumption may or may not be satisfied? (c)Which between a parametric test or a non-parametric test would you recommend?An experiment was conducted to test whether students’ performance (above or below average) is independent of stress level as a result of pressure on time table for the term in Hwanhwan Senior High School. The table below gives a 3 × 2 contingency table of the sample. Above Average Average Below Average Total Stressed 135 250 285 670 Not Stressed 150 157 107 414 Total 285 407 392 1084 With the help of chi-square test statistics, determine whether students' performance for the selected term in the school is independent of their stressed level experienced from the time table at α = 0.05Which of the following Python methods is used to perform a paired t-test for the difference in two population means? Select one. Question 5 options: paired_ttest from scipy module ttest_ind from scipy module proportions_ztest from statsmodels module ttest_rel from scipy module
