haleyd423 haleyd423
  • 01-12-2015
  • Mathematics
contestada

is a voluntary response sample (sometimes, always, or never) valid?

Respuesta :

Ariana126
Ariana126 Ariana126
  • 01-12-2015
A voluntary response sample is always valid.
Answer Link

Otras preguntas

Devon recalls details of his seventh birthday party. what type of memory is he using?
herve is talking about what his family often eats for desert. complete his statements with an appropriate definite , indefinite, or partitive article from the b
TRUR OR FALSE all countries use about 82% of their freshwater resources for agriculture A. True B. False
What are the solutions to the following system?
Along budget constraint ab​, the price of good x is​ $25 and the price of good y is​ $18. if the price of y decreases to​ $14, the budget constraint will
Along budget constraint ab​, the price of good x is​ $25 and the price of good y is​ $18. if the price of y decreases to​ $14, the budget constraint will
A patio has the shape of the quadrilateral drawn in the picture below. 1) Find the area of the patio. 2) What is the minimum number of square-tiles with sides
Which type of joint is found between the lower jaw and the skull
P indicates the allele for purple flowers,and p indicates the allele for white flowers. Which statement about the offspring is correct? (Two pictures) Please vi
Four people in a room of 10 people are chosen to receive a free pair of glasses. how many ways can the four people be chosen?