MisganaGiday MisganaGiday

14-12-2020
Mathematics

contestada

if a+b+c+d=20 and a^2+b^2+c^2+d^2=108 then the variance of the data is?

Respuesta :

Аноним Аноним

14-12-2020

Answer:

I think it's 27 because it's given a²+b²+c²+d²=108

hudafn avatar

So we have to figure out the mean

hudafn avatar

So 108/4=27

hudafn avatar

Hope this helps

Step-by-step explanation:

Answer Link

Otras preguntas

can someone pls help??

Drag the tiles to the boxes to form correct pairs. Not all tiles will be used. Match each word or phrase to the appropriate meaning based on its context in thi

What’s is anything that has mass and take up space? A. Weight B. Volume C. Density D. Matter

Chinook is a dry wind that sometimes blows over the Great Plains in water. true or false?

Complete the following proof. Given: AR = AQ 1 = 3 Prove: AS = AT Which of the following triangles would be congruent in statement 3 in the proof? ARS and AQT A

What are some tecnolgical impacts of the world happing in today.

if a fraction was 5 over 11 what would the percentage be

after the trumpet was sounded and the flag folded a member of the honor guard knelt in front of my frail aging mother looked her directly into the eye and in a

Will mark brainliest!!!!! Answer as many as you can. Label each number. The top is to find the area

An ecotourist in Central America and the Caribbean is most likely to A avoid indigenous people B explore the regions mountains and rain forests C take guided t