Question

arnav scored the following marks in various class test, each test being marked out of 19 marks. marks = 15,7,16,17,10,2,14,16,19,12 what are his mean marks and what are his median marks ​

Answer 1

Answer:

mean= sum of observations/no. of observations

15+7+16+17+10+2+14+16+19+12/10

128/10=12.8

median

2,7,10,12,14,15,16,16,17,19

14+15/2=14.5

please mark as brainliest

Answer 2

Answer:

Mean = 12.8

Median = 14

Step-by-step explanation:

Mean = Sum of obs./No. of obs. = 128/10 = 12.8

After arranging observations in ascending / descending order,

Median = (n/2)th observation [n being no. of obs.] = (10/2)th observation = 5th observation = 14