mackenziesue6866 mackenziesue6866

16-04-2024
Mathematics

contestada

If the mean and variance of five observations are 245 and 19425 respectively and the mean of the first four observations is 72, then the variance of the first four observations is equal to ________.

Respuesta :

Otras preguntas

The data set below shows the number of homework assignments required in math classes for a month: 22 23 23 21 18 4 17 15 23 20 24 15 25 16 Which of the follow

Last year, the city library collected 117 used books for its shelves. This year, it collected 3 times as many books. How many books did it collect this year?

Defines what a person accessing data can do with that data

How to find an experimental error

i need help its a timed quiz i will upvote all comments He staggered, but he did not fall; nor did he drop his revolver. He stood there, rubbing his injured s

Which of the following is true of communicable diseases? A. Communicable diseases are also known as noninfectious diseases. B. Communicable diseases can only

Can Someone Give Me Steps On How To Do This Or The Answers Please!!

use the order operations to simplify the expression. 1/9 + 1/5 x 1/7

What do you call a situation in which anyone's gain comes at someone else's expense?

Solve for t: t ÷ 5 = 8