IDNLearn.com connects you with a community of knowledgeable individuals ready to help. Discover comprehensive answers from knowledgeable members of our community, covering a wide range of topics to meet all your informational needs.
Answer:
78
Step-by-step explanation:
add them all together and and divide by how many they are -thats the meaning of the mean
81+88+69+65+87=390
390divide by 5=78
i divided by 5 becasue there are 5 numbers