amberwa110321
amberwa110321 amberwa110321
  • 05-05-2021
  • Mathematics
contestada

Which of the following numerical data sets has a mean of 40?
A) 18,82
B) 21, 34, 65
C) 38, 39, 40, 41
D) 20, 30, 40, 55

help!​

Respuesta :

JayBanana
JayBanana JayBanana
  • 05-05-2021

Answer:

The answer is B) 21, 34, 65

Step-by-step explanation:

21 + 34 + 65 = 120

120 divided by 3 = 40.

In order to find the mean you must add up all of the numbers in the numerical data set, then divide that by how many numbers there are. Hope this helps! :)

Answer Link

Otras preguntas

Due to its open borders and better economic situation, the social service system of Costa Rica is overwhelmed with:
2x+5y=60 2x-5y=-20 Please show work!
What event triggered the alliance system which led to the first world war?
The product of 2 numbers is 1704. If one of the numbers is 426, find the other number..
the histogram below represents the high temperatures recorded each day over a one month period.7 days=80-82 degrees Celsius, 9 days=82-84 degrees Celsius, 6 day
Women never had voting rights anywhere in the nation what supports this answer?
You are standing on a cliff over the ocean. The cliff is 76 ft above the water. You look down with an angle of depression of 13 and see a boat on the water. How
How much energy is required to lift a 9 kg (20 lb) bag of rice from the floor to the trunk of your car located 0.9 meters above the ground? What kind of energy
Is the lowest common multiple of a pair of numbers ever equal to one of the numbers?
What is the definition of spectrum