How do you find the combined mean and standard deviation?
How do you find the combined mean and standard deviation?
The combined standard deviation Sc can be calculated by taking the square root of Sc2. Example: For a group of 50 male workers the mean and standard deviation of their daily wages are 63 dollars and 9 dollars respectively. For a group of 40 female workers these values are 54 dollars and 6 dollars respectively.
What is combine in math?
Like terms are terms that contain the same variables raised to the same power. We combine like terms to shorten and simplify algebraic expressions, so we can work with them more easily. To combine like terms, we add the coefficients and keep the variables the same.
What is combine word?
Combined word may refer to: Portmanteau word, a word which fuses two or more function words. Compound (linguistics), a lexeme (less precisely, a word) that consists of more than one stem.
Does combine mean mix?
When used as verbs, combine means to bring (two or more things or activities) together, whereas mix means to stir together. Combine as a verb (transitive): To bring (two or more things or activities) together; to unite.
Which word means an object with three legs?
The definition of a tripod is a three-legged stand that supports a camera, telescope or other object that needs to be kept steady. …
Is amputation necessary?
An amputation is required when a diseased body part is not expected to heal and the patient’s life is at risk as a result. Causes may include circulatory disorders, infections, accidents, cancer or a congenital malformation of the limbs (dysmelia).
Can you keep amputated body parts?
As far as legislation goes, there is no U.S. federal law preventing the ownership of body parts, unless they’re Native American. The Native American Graves Protection and Repatriation Act makes it illegal to own or trade in Native American remains.
Which type of amputation is the most common?
A below knee amputation (BKA), also known as a transtibial amputation, is an amputation through your shin bone. The BKA is the most common type of amputation performed, and the risk of serious post-operative complications in a BKA is far less than in a transfemoral amputation.