A group of 300 Mathematics teachers were classified as follows: University Graduates 120
Diplomats 90
Specialists 50
Others y
a) Calculate the value of y.
b) Draw a pie chart to illustrate the above information.
c) What fraction of the teachers are Specialists.​

Question 1 of 10 2 points different groups of 50 graduates of an engineering school were asked the starting annual salary for their first engineering job after graduation, and the sampling variability was low. if the average salary of one of the groups was $65,000, which of these is least likely to be the average salary of another of the groups? o a. $64,000 o b. $65,000 o c. $67,000 o d. $54,000