Welcome to Westonci.ca, where curiosity meets expertise. Ask any question and receive fast, accurate answers from our knowledgeable community. Experience the convenience of getting reliable answers to your questions from a vast network of knowledgeable experts. Get detailed and accurate answers to your questions from a dedicated community of experts on our Q&A platform.

HELP ME PLEASE i am not under standing the problem the instructions are on the attchment

HELP ME PLEASE I Am Not Under Standing The Problem The Instructions Are On The Attchment class=

Sagot :

Answer:

10

Step-by-step explanation:

Mean = sum of all data : number of data

15 = (17+15+21+12+x) : 5

75 = 65 + x

x = 10