shipwreckent shipwreckent

22-06-2017
Mathematics

contestada

Betty scored 56 on a statistics test that had a mean of 65 and a standard deviation of 5. What was the Z- score on the test?

Respuesta :

mathmate mathmate

27-06-2017

Z-score for a variable X is calculated using
Z(x)=(x-mean)/standard deviation.
Here
x=56
mean=65
standard deviation=5
so
Z(65)=(65-56)/5=9/5=1.8

Answer Link

Otras preguntas

what characteristics are used to distinguish between types of government

He said, " How Cruel he is !"

please help will give brainliest

PLZ HELP! I DON'T EVEN KNOW WHERE TO START! The most helpful answer will win the brainly trophy! "Consider ways in which Gatsby might be a counterpart to Don Qu

Solve the following system of equations graphically on the set of axes below.y=-2x-7y=3x-2

All of the stones used to build the pyramids at this time were taken from nearby rock quarries. Please select the best answer from the choices provided T F

In what ways does Islam play a central role in the daily lives of many Southwest Asians?

Free African Americans had more liberties than the enslaved in the North and the true or false

Plz help with thisssssssssssssss

Liberal theology focuses primarily on proclaiming spiritual salvation True or false and why