Question

mean oमीन ऑफ 3,4,9,a,4 एंड 1 इज 4.2 दिन फाइंड द वैल्यू ऑफ a​

Answer 1

Answer:

4.2

Step-by-step explanation:

mean=sum of observations/number of observation

4.2=3+4+9+a+4+1/6

4.2=21+a/6

transpose 6 that side

4.2×6=21+a

25.2=21+a

a=25.2-21=4.2

Answer 2

Answer:

best for you answer thank you