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## Stats in Biology

by: Jean Notetaker

6

0

2

# Stats in Biology BIOL 105 - 03

Jean Notetaker
Minnesota State University, Mankato

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stats in biology like mean, mode, and etc.
COURSE
General Biology I
PROF.
Marilyn Hart
TYPE
Class Notes
PAGES
2
WORDS
CONCEPTS
Biology
KARMA
25 ?

## Popular in Department

This 2 page Class Notes was uploaded by Jean Notetaker on Sunday September 11, 2016. The Class Notes belongs to BIOL 105 - 03 at Minnesota State University - Mankato taught by Marilyn Hart in Fall 2016. Since its upload, it has received 6 views.

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Date Created: 09/11/16
Stats in Biology Friday, August 26, 2016 9:34 PM Reasons for Stats-organize, present, summarize and describe data Statistical test-Mean, median, mode, range, Standard deviation Mean-average of a group of measurements Median-Middle # in a group of measurements Mode -Most frequently occurring # in a group of measurements Range- lowest and highest numbers in a group of measurements Standard Deviation- Quantifies the amount of variation in a group measurements Ex)Data points -3,4,4,9,12,15 n=6 Mean-(3+4+4+9+12+15)/6 = 7.83 Median-(4+9)/2= 6.5 Mode -4 Range-15-3= 12 Standard Deviation- √Sum of squares N-1) (7.83-3) +(7.83-4) +(7.83-4) +(7.83-9) +(7.83-12) +(7.83-15) = Sum of squares=122.84 ⎯⎯⎯⎯⎯⎯⎯ √ 122.84 ⎯⎯⎯⎯4⎯⎯⎯= 2.77 Stats in Biology Friday, August 26, 2016 9:34 PM Reasons for Stats-organize, present, summarize and describe data Statistical test-Mean, median, mode, range, Standard deviation Mean-average of a group of measurements Median-Middle # in a group of measurements Mode -Most frequently occurring # in a group of measurements Range- lowest and highest numbers in a group of measurements Standard Deviation- Quantifies the amount of variation in a group measurements Ex)Data points -3,4,4,9,12,15 n=6 Mean-(3+4+4+9+12+15)/6 = 7.83 Median-(4+9)/2= 6.5 Mode -4 Range-15-3= 12 Standard Deviation- √Sum of squares N-1) (7.83-3) +(7.83-4) +(7.83-4) +(7.83-9) +(7.83-12) +(7.83-15) = Sum of squares=122.84 ⎯⎯⎯⎯⎯⎯⎯ √ 122.84 ⎯⎯⎯⎯4⎯⎯⎯= 2.77

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