flowilkinson flowilkinson

28-10-2019
Mathematics

contestada

For a set of data
n=100
E(x-20)=125
E(x-20)^2=221

Find mean and standard deviation

Respuesta :

sangeetaranabiru sangeetaranabiru

28-10-2019

Answer:

mean =5/4

Step-by-step explanation:

mean=125/100

mean=5/4

standard deviation I am Abit confused

Answer Link

Otras preguntas

Which is a precinct? a. a defined area for school districts b. a zone for urban planning c. a congressional district d. a small area for voter organization

The main theme of “The Wanderer” involves the a. value of friendship. c. importance of traditions. b. need for safety. d. pain of homelessness.

What event resulted in the peace at the end of World War I? the sinking of theLusitania Germany signed the Treaty of Versailles the signing of the Kellogg-Brian

In one town, some people support a proposal to build a shopping mall on a large, undeveloped lot, because it would increase business and create new jobs. As a t

A large majority of the white population of the South owned slaves. a. True b. False

When an organism reproduces asexually, it usually has (1) only one parent, and half as much DNA as the parent (2) only one parent, and the same chromosome numbe

When two species exhibit different behaviors but live in the same area, what can result?

A mirror with a reflecting surface that caves inward is said to be

Explain, in terms of subatomic particles, why the radius of a chloride ion is larger than the radius of a chlorine atom.

Which of the following is NOT an example of ageism? a. advertisements that use elderly people to sell health related devices b. an older adult portrayed as a