QUESTIONS

The salaries in pound (sterling) for the all staff of the UK International Trade Department is shown in the attached excel file as the salary_data According to the given 50 peoples salary range answer the questions below;

1. Calculatemean,modeandmedian.Explainyourresultsandmakeinterpretation of your outcome.

2. Calculate variance and standard deviation. Explain your results and make interpretation of your outcome.

3. Give information about the distribution of your data.

4. If each member of the staffs salary increased by 10.000 pounds how would it

affect the change in the mean and standard deviation?

5. If each member of the staffs salary increased 10 % how would it affect the change in the mean and standard deviation?

6. What sort of pay raise woud you prefer if you were earning the mean salary in your data set range? (10% raise or 10.000 increase)

7. Whatsortofpayraisewoudyoupreferifyouwereonthsamesalaryasmodein your data set range? (10% raise or 10.000 increase)