TutorTeddy.com, Tutoring, Dallas, TX
Like us for free help*

Statistics Symbols - Z



Ask any Statistics/Probability/Math Question

Symbol: Z ( or Z-score)

Meaning:
This is the standard normal distribution. Standard normal distribution has mean =0 and SD=1.
Formula used:
, where X~ Normal (mean=µ, SD=ơ)

Symbol: Zc

Meaning:
It is the critical value for the confidence level c.
Formula used:
Zc= Area under the standard normal curve that falls between -Zc and Zc and is equal to c.

TutorTeddy.com & Boston Predictive Analytics

[ Email your Statistics or Math problems to tutor@aafter.com (camera phone photos are OK) ]


Boston Office (Near MIT/Kendall 'T'):
Cambridge Innovation Center,
One Broadway, 14th Floor,
Cambridge, MA 02142,
Phone: 617-395-8864


Dallas Office (Near Galleria):
15950 Dallas Parkway,
Suite 400,
Dallas, TX 75248,
Phone: 866-930-6363

Copyright 2011 tutorteddy.com. All Rights Reserved. | By using our site, you agree to our TOS.