What statistical notation says to sum or add values?

Under what condition is it most appropriate to use the median instead of the mean?

One of the functions of simple epithelium is

Peter Singer believes that human and non-human animals are equal in their moral worth. In his essay, Bernard Williams argues against Singer and argues  it’s always permissible for humans to eat non-human animals (since only humans have intrinsic moral worth).

In the United States, 31 states and the federal government have statutes that authorize the death penalty. 

Of the states that impose capital punishment, how many provide automatic appeal of that sentence? 

Which of the following is a legally relevant factor when determining sentence severity? 

Please look at the following images and describe the injuries as indicated: (a) The injury above is on what surface of the body? (1pt) (b) Describe the injury above using ‘medial”. (1 pt) (c) Describe the injury above using ‘lateral’ (1 pt) (d) Describe the injury using two of the terms (choose the most appropriate): distal, inferior, proximal, superior (2 pts)

The function of microvilli is to

Occult blood is blood that is found in which of the following?