Suppose you have a data set that includes the values 20, 30, and 50. If you add a fourth value to this data set, and after doing

Question

2 years ago

12

Suppose you have a data set that includes the values 20, 30, and 50. If you add a fourth value to this data set, and after doing

that the mean of the data set is 50, what was the value that you added? a. -10 c. 50 b. 40 d. 100 Please select the best answer from the choices provided A B C D

Mathematics

1 answer:

olya-2409 [2.1K] · Answer 1 · 2023-03-30T12:15:58+03:00

olya-2409 [2.1K]2 years ago

8 0

Answer:

D. 100

Step-by-step explanation:

Mean = Sum of all numbers divided by the count of all numbers

Mean = 50

Let say that the sum of all numbers = X

50 = X / 4

200 = X

X = (20+30+50) + The 4th Value

200 = 100 + 4th Value

The 4th Value = 100