The following table contains sample salary information collected from a salary survey of 13 accounting jobs according to seniority. Accountant I officers poses less than 2 years of accounting work experience. Five SME from Jeddah participated in the survey, and most have more than one officer at each level.

Company Job Title annual salary (SR)

A Accountant I 34,500

B Accountant I 33,000

C Accountant I 34,500

D Accountant I 33,000

E Accountant I 34,500

Based on the above case study, answer all of following questions:

1) How many proprieties can be used to summarize the survey data? What the different between them? ( 2 points)

2) Calculate the mean for the annual salaries. Show all the steps used in the calculation (2 points)

3) Calculate the median for the annual salaries. Show all the steps used in the calculation (2 points)

4) Calculate the Mode for the annual salaries. Show all the steps used in the calculation (2 points)