199k views
7 votes
104, 137, 154, 131, x; mean= 130

User Dean Ward
by
8.1k points

1 Answer

13 votes

Hello!

The mean is the average of the terms.

⇒ Mean = Sum of terms / Number of terms

⇒ 130 = 104 + 137 + 154 + 131 + x / 5

⇒ x + 526 = 650

x = 124

∴ The missing number is 124.

User Asergaz
by
8.0k points

Related questions

asked Dec 20, 2017 33.0k views
EpicAdv asked Dec 20, 2017
by EpicAdv
7.8k points
1 answer
4 votes
33.0k views
asked Jul 22, 2017 29.4k views
Jim Lewis asked Jul 22, 2017
by Jim Lewis
8.4k points
1 answer
5 votes
29.4k views