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

what does 'secret, black and midnight hags' mean in shakespeare?
write a paragraph on wonders of science
what is 12.345 rounded to the nearest tenth
Find the 6th term in the expanded form of the equation (2x+y)^9
What is the fraction 18/24 reduced to its lowest terms? A. 9/12 B. 3/4 C. 24/18 D. 18/24
Factor by grouping:4-12r+9r^2i know the answer is (2-3r)^2Can anyone explain to me how it is?
Collect information about working of geyser and prepare a report
What is the fraction 18/24 reduced to its lowest terms? A. 9/12 B. 3/4 C. 24/18 D. 18/24
A soccer ball is kicked straight up from the ground with an initial velocity of 32 feet per second. Its height above ground in feet is given by: s(t)=-16t^2 +32
a sum of RS 500 is in the form of denominators of RS5 & RS 10..if the total no. of notes is 90 ,find the no. of notes of each type................