Calculating percentages from z scores

491 views

Published on

0 Comments
0 Likes
Statistics
Notes
  • Be the first to comment

  • Be the first to like this

No Downloads
Views
Total views
491
On SlideShare
0
From Embeds
0
Number of Embeds
130
Actions
Shares
0
Downloads
0
Comments
0
Likes
0
Embeds 0
No embeds

No notes for slide

Calculating percentages from z scores

  1. 1. Calculating Percentages from Z-Scores
  2. 2. Finding Normal Percentiles • You can find a percentile using the Normal Density Curve • First calculate the z-score • You find the percentile using a z- score either from a table or a calculator. • Using the table – see video • Using the calculator – see video
  3. 3. Finding the percent of data between 2 z-scores • Calculate each z-score • Calculate the percentile value for each z-score • Subtract the percentile values to find the percent of data between the 2 z- scores

×