QUESTION 4 (25 Marks) Study the details provided below and answer the following questions. For a preliminary investigation of the impact of employee quiet quitting practices on employee performance of Mayfair Enterprises, you have gathered data from 20 employees and their line managers as shown in Table 1 below. Employees quiet quitting score and Employee performance rating by line manager were both measured at the interval level. Employee reference # Employees quiet quitting score Employee performance rating by line manager 01 4 7 02 5 6 03 8 4 04 6 5 05 4 8 06 5 5 07 6 5 08 7 6 09 7 4 20 6 6 The data was analysed using IBM SPSS Statistics version 28 and the following output was generated: Table 4.1: Descriptive Statistics N Minimum Maximum Mean Std. Deviation EMP_QUIET_QUITTING_SCORE 20 2.00 8.00 5.0500 1.70062 EMP_PERF_RATING 20 4.00 8.00 5.8000 1.23969 Valid N (listwise) 20 Table 4.2: Tests of Normality Kolmogorov-Smirnova Shapiro-Wilk Statistic df Sig. Statistic df Sig. EMP_PERF_RATING .191 20 .065 .920 20 .100 a. Lilliefors Significance Correction Table 4.3: Correlations EMP_PERF_RATING EMP_QUIET_QUITTING_SCORE Pearson Correlation EMP_PERF_RATING 1.000 -.819 EMP_QUIET_QUITTING_SCORE -.819 1.000 Sig. (1- tailed) EMP_PERF_RATING . <.001 EMP_QUIET_QUITTING_SCORE .000 . N EMP_PERF_RATING 20 20 EMP_QUIET_QUITTING_SCORE 20 20 Table 4.4: Model Summaryb Model R R Square Adjusted R Square Std. Error of the Estimate 1 .819a .670 .652 .73111 a. Predictors: (Constant), EMP_PERF_RATING b. Dependent Variable: EMP_PERF_RATING Table 4.5: ANOVAa Model Sum of Squares df Mean Square F Sig. 1 Regression 19.579 1 19.579 36.628 <.001 b Residual 9.621 18 .535 Total 29.200 19 a. Dependent Variable: EMP_PERF_RATING b. Predictors: (Constant), EMP_QUIET_QUITTING_SCORE Table 4.6: Coefficientsa Model Unstandardized Coefficients Standardized Coefficients B Std. Error Beta t Sig. 1 (Constant) 8.814 .524 16.814 <.001 EMP_QUIET_QUITTING_SCORE -.597 .099 -.819 -6.052 <.001 a. Dependent Variable: EMP_PERF_RATING 4.1 Specify the independent variable (IV) and dependent variable (DV) for the proposed study. (4 marks) 4.2 Formulate the null and alternative hypotheses for the proposed study. (4 marks) 4.3 Based on the outcome of the analysis of the data gathered from the twenty employees in the preliminary investigation, discuss the strength, direction and significance of the correlation between employee quiet quitting score and employee performance rating. (6 marks) 4.4 Provide a comprehensive interpretation of the output of the simple linear regression analysis (quote the relevant statistical figures in the interpretation). (8 marks) 4.5 Proffer a practical recommendation to the management of Mayfair Enterprises on how best to mitigate the recent decline in employee and organisational outcomes.