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

How did early humans protect their limited food resources
In a triangle, the sides measure 3,5, and 7 what is the measure, in degrees of the largest angle?
someone know how to do this?: 6x2+18x=0
Write the equation of the line that passes through the given point and is parallel to the given line. Write the answer in slope-intercept form P(-6,3), y + 3x =
C+(4-3c)-2=0 Need help
In a triangle, the sides measure 3,5, and 7 what is the measure, in degrees of the largest angle?
Which of these equations represent functions? Check all that apply. A. y = (x - 2)^2 + 5 B. x^2 - 4y^2 = 1 C. y = 3x - 3 D. y = 4x^5
simplify the expression z2-z(z+3)+3z
Which of the following equations is of a parabola with a vertex at (0, -3)? y = (x - 3)^2 y = (x + 3)^2 y = x^2 - 3 y = x^2 + 3
Why did the Spanish explore the New World in the early 1500s?