Question

1) Find the median of observation 59,75,68,70,74,75,80
2) Monthly salaries in rupees of 30 workers in a factory are given below. 5000, 7000, 3000, 4000, 4000 , 3000, 3000, 3000, 8000, 4000, 4000, 9000, 3000, 5000, 5000, 4000, 4000, 3000 ,5000, 5000, 6000, 8000, 3000, 3000, 6000, 7000, 7000, 6000, 6000, 4000 find the mean of monthly salary
3) The following 10 observations are arranged in the ascending order as follows
2 , 3 , 5 , 9 , x+1 ,x+3 , 14 , 16 , 19, 20 median=11 find the value of x
4) The mean of 9 number is 77 If one more number is added to it then the mean is increased by 5 find the number added in the data​

Answer 1

Answer:

1)70

Step-by-step explanation:

I tried the first one

Answer 2

Answer:

70 is the first qs answer