Respuesta :
Answer:
Mean
Step-by-step explanation:
Mean is the average of all results.
Step 1 : Identify the formula of calculating mean
Mean = Sum of all data
Number of data
Step 2 : Substitute the values in the formula
Mean = 10 + 15 + 25 +75 + 75 + 77 + 80 +83 + 85 + 90
10
Mean = 615
10
Mean = 61.5 marks
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