Moribaskasey Moribaskasey

22-05-2016
Mathematics

Answered

Given a mean of 9 and a standard deviation of 2.8, what is the z-score of the value 11 rounded to the nearest tenth?

–0.9

–0.7

0.9

0.7

Verified Answer :

Anonymous Anonymous

03-06-2016

The answer is 0.7. Since the formula of the z-score is the difference of the score (x) and the mean divided by the standard deviation (SD)...

z= [ (x-mean)/SD ]

You simply substitute the values given.

z = (11-9)/2.8
z=2/2.8
z=0.714

Then round it to the nearest tenth...

z- = 0.7

Answer Link

Related Questions

Which closing uses correct punctuation A Yours truly B Your buddy C Until next time D Sincerely

did geroege washington order that the declaration of indepenance be read to his army

Perform the indicated operation 54 79 a49 b 2 49 c 2 136

1 a is a small artificial island created from mud and reeds a pueblo b adobe c tribune d chinampa

Could a mixture be made up of only elements

What is 10 37 as an improper fraction I really need help it would be greatly appreciated

En qué año nació Jorge Washington

victor frankenstein may be a brilliant scientist who created one of the most famous creatures in literature but in many ways he is also a a fool who got lucky b

310y25 We are being asked to factor out the coefficient of the variable

A ball is thrown into the air from a height of 9cm above the ground and its height is given by S12832t16t2 where t is the time in seconds 1 find the values of t