normal help: Calculate the z-score for x = 20 given a normal distribution

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Calculate the z-score for x = 20 given a normal distribution

with m = 25 and s =4.

This open post was written 1 year, 5 months ago | V/U/S: 551, 3, 2 | Edit Post | Leave a reply | Report Post

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Smarty 5 #
An Undisclosed Location | 1 year, 5 months ago (2 minutes after post)

OH MY GOODNESS, just did this in our AS levels stats…. hogh, let me try and remember how you do it.

Help me with: Just a rant… Ignore :) Spelling and grammar etc is going out the window for this one…..

Smarty 5 #
An Undisclosed Location | 1 year, 5 months ago (7 minutes after post)

aaah, just thought I can’t do it, because I haven’t got the Z graph :(

Help me with: Just a rant… Ignore :) Spelling and grammar etc is going out the window for this one…..

ikeylu #
An Unknown Location | 8 months, 1 week ago (9 months, 2 weeks after post)

Z= x-m /s

Therefore Z

20-25/4 = -1.25

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