Madeline1552 Madeline1552
  • 14-08-2020
  • Mathematics
contestada

Given a sample with 5 scores: 4, 6, 8, 10, and y, and the mean of this sample is 6, what is the variance of the sample

Respuesta :

lordina14
lordina14 lordina14
  • 14-08-2020

Answer:

8+10+4+6+y /5=6

find lcm which is 5

(8+10+4+6+y/5)5=(6)5

8+10+4+6+y=30

28+y=30

y=30-28

y=2

Answer Link

Otras preguntas

who was the first president of the united states?
Which of the following is an example of a concept album? a. the joshua tree b. nevermind c. tapestry d. songs for swingin' lovers
A teacher has a 2-gallon (32-cup) container of juice. She gives each student 1/2 cup of juice. Which equation represents the amount of juice that remains, y, af
Question 12 (Multiple Choice Worth 3 points) (02.02 LC)Exercising above your target heart rate zone may increase chance of injury decrease lung capacity inc
The function g(x) = 5x2 – 10x written in vertex form is g(x) = 5(x – 1)2 – 5. The function g(x) is shown on the graph along with the parent function, f(x) = x2.
A quiet eruption may produce this type of slow moving, cooler lava that hardens to form rough chunks. What is this?
The product of two numbers is 30. The sum of the two numbers is 20. What might the two numbers be?
Keeping things neat and organized is not worth the time it takes. agree or disagree?
Who in the house can limit the time to debate a bill
a car is priced at $12000. which is the better deal 10% off or $1500 cash back