How to solve the 44th question ?

mean x = x1 +x2 + x3 ++ x¡/ f ¡

Step-by-step explanation:

To calculate the mean of the group, you add the total sum of each mean of the group divided by the number of mean (frequency)

I hope you understand this.

hi there!

question 1 answer: p/q can be terminating when q = 5^m * 2^n

question 2 answer: -1 and -1

question 3 answer: -4

question 4 answer: 5/12

hope this : )