Question 2aCalculate the mean and standard deviation values for each vaccine treatment and use these to provide a meaningful overview (summary) of the results using a properly labelled graph. Show the spread of the data for each group.REMEMBER what you have been told in workshops about correctly plotting graphs including appropriate scaling of axes. Failure to include all the correct points in the graph will result in lost marks.(8 marks)

Observed	Severity of symptoms
Vaccine manufacturer	0	1	2	3	4	5
Zap-a-bug	54	12	7	9	7	0
Covicure	24	16	15	6	6	1
Stratos	58	18	12	6	2	1
Camgene	15	19	8	3	3	2
Theravac	26	7	6	4	2	1