a) An academician want to see significant mean differences in the performance level of private and public banks in Pakistan. You have been hired as a consultant to suggest specific quantitative test. Which test you would propose and why?

b) In another situation, manager want to see level of significant relationship between performance management system and employees 'performance. He plan to collect data through five point likert scale. For the mentioned purpose, which test you will suggest and why?

c) In third case, policy maker of education sector of Pakistan want to enquire whether gender has significant relationship with education level in Pakistan. Both variables are supposed to be measured categorically. Which test you will use and why?

d) Researcher develop hypothesis that there is insignificant mean differences in the attitude towards female education based on all provinces of Pakistan. Suppose data is non-. Normal. Which test you will use and why?