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

You can either purchase insurance with a premium of $400 and a co-pay of $50 or purchase insurance with a premium of $450 and no co-pay. Is there a difference b
the graph shows the number of handbags that mandy made in one day
Original Sentence: My friend Cody can eat a sandwich faster than any human or animal I have ever seen. New Word: Definition: Two synonyms also considered:
a significant theme of the monroe doctrine was that
What is the concentration of the 100 g of solution having 25 g of solute? 25% 30% 50% 70%
When you trip, your foot stops, but your body continues to move forward. Which statement best explains why this happens?(1 point) An unbalanced force stops your
A car travels a distance of 100 miles in a time of 2.6 hours. What is its average speed rounded to 1dp?
Select each item that was a key factor in Woodrow Wilson’s Fourteen Points. A. Self-determination B. Mandate system C. Open Door Policy D. Freedom of the se
Pls help will brainlist​
Select all the pairs of like terms in the expression.25y + 15x – 0.2y – 6 + (–2)