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Explanation: Parametric tests = It is the Procedure of hypothesis which explains that the variables of interest are measured on at least an interval scale. It is parameters defining properties of the population distribution from which one's data are drawn, Uses of Parametric Tests 1: uses in skewed and non-normal distributions=Parametric tests can be used with continuous data that are non-normal if you satisfy these sample size guidelines. For example sample t test (each group should be greater than 15) and in ANOVA (if you have 10 -12 groups then each group should be greater than 20). 2: uses for when spread of each group is different= For nonparametric tests data for all groups must have the same spread (dispersion). If your groups have a different spread, the nonparametric tests might not provide valid results. In parametric tests you’re good to go even when the groups have different spreads. 3: uses as a Power=Parametric tests usually have more statistical power tha

What is Manager?Types of Manager? What do Manager do to Motivates employees? Manger is the person who is responsible for achieving organizational objectives by effective and efficient use of resources (these includes Human resources, financial, physical and informational resources), A good manager must have honesty, integrity and the ability to get along with people by utilizing Management skills, Communication skills (interpersonal skills  which involves the ability to understand, communicate with staff,  Negotiation & Networking skills conflict management skills,  Ethics skills and top of the all motivational skills Types of Managers There are three types of Managers 1-Top managers involves board of chairmen, CEO, president, vice president 2-Middle managers consist of Sales manager, branch manager, department head 3-First-line managers includes Crew leader, supervisor, head nurse, and office manager Management Functions=  Manager set objectives and plans how to achiev