We use cookies to personalise content and advertisements and to analyse access to our website. Furthermore, our partners for online advertising receive pseudonymised information about your use of our website. cookie policy and privacy policy.
 
+0  
 
0
103
1
avatar

http://prntscr.com/n28ivr

 Mar 24, 2019
 #1
avatar+102417 
0

a)

Boris knowledge test z score  = [ 57 -60 ] / 4.3 =  -.69   [ ≈ 24th percentile ] 

Boris aptitude test z score  =  [ 106 -110] / 7.1  = -.56 [ ≈  28th percentile ]

He did better on the aptitude test

 

b)

Callie knowledge test z score  =  [ 63 - 60] / 4.3 = .69    [ ≈ 75th percentile ]

Callie aptitude test z score  =  [ 114 - 110 ] / 7.1 =  .56  [ ≈  71st percentile]

She did better on the knowledge test

 

c) -0.93  =  [≈ 17th percentile ]

He still did the best on the aptitude test

 

 

cool cool cool

 Mar 24, 2019

7 Online Users