lilziggotmoney9725 lilziggotmoney9725
  • 23-09-2017
  • Mathematics
contestada

After a researcher adds 5 points to every score in a sample, the standard deviation is found to be s = 10. the original sample had a standard deviation of s = 5.
a. True
b. False

Respuesta :

BeaVechiato
BeaVechiato BeaVechiato
  • 23-09-2017
A, true.

If you add 5 points to every score, that makes the difference between them 5 points higher.
Answer Link

Otras preguntas

Augustine got many of his ideas about how God illuminated the universe from his interpretation of the works of _______.
Is 16x^2-56x+49 a perfect square trinomial? How do you know ? If it is, factor the expression. Please show your work
A rectangle has side lengths of 1 3/4 feet and 2 1/3 feet. Find the perimeter of the rectangle. Write your answer as a mixed number in simplest form.
Naima guesses there are 120 nickels in a jar, but there were actually 125. What was her percent error ?
help me with english please
if timmy is traveling 20 miles per hour south for 2 hours. How far is he displaced
I NEED HELP ASAP!!! I need to determine the Unknown value that would make each trinomial a perfect square... X²-___x+81
PLEASE HELP Simplify the expression x^2 + 3x - 28/ x^2 - 7x + 12 Show your work.
Maria is making a tablecloth. She needs to cut a 64-inch piece of fabric into 6 equal parts. How long will each part be? 1.seven and one sixth inches 2.eight an
Help I really need the answers to these by tomorrow morning.