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- Collaborative statistics
- Sampling and data
- Summary
This module provides an outline/review of key concepts related to statistical sampling and data.
Statistics
- Deals with the collection, analysis, interpretation, and presentation of data
Probability
- Mathematical tool used to study randomness
Key terms
- Population
- Parameter
- Sample
- Statistic
- Variable
- Data
Types of data
- Quantitative Data (a number)
- Discrete (You count it.)
- Continuous (You measure it.)
- Qualitative Data (a category, words)
Sampling
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With Replacement : A member of the population may be chosen more than once
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Without Replacement : A member of the population may be chosen only once
Random sampling
- Each member of the population has an equal chance of being selected
Sampling methods
- Random
- Simple random sample
- Stratified sample
- Cluster sample
- Systematic sample
- Not Random
Frequency (freq. or f)
- The number of times an answer occurs
Relative frequency (rel. freq. or rf)
- The proportion of times an answer occurs
- Can be interpreted as a fraction, decimal, or percent
Cumulative relative frequencies (cum. rel. freq. or cum rf)
- An accumulation of the previous relative frequencies
Questions & Answers
the study of living organisms and their interactions with one another and their environments
AI-Robot
HOW CAN MAN ORGAN FUNCTION
the diagram of the digestive system
allimentary cannel
Ogenrwot
They formed in two ways first when one sperm and one egg are splited by mitosis or two sperm and two eggs join together
Oluwatobi
Genetics is the study of heredity
Misack
how does twins formed?
Misack
discuss biological phenomenon and provide pieces of evidence to show that it was responsible for the formation of eukaryotic organelles
the study of living organisms and their interactions with one another and their environment.
Wine
discuss the biological phenomenon and provide pieces of evidence to show that it was responsible for the formation of eukaryotic organelles in an essay form
list any five characteristics of the blood cells
Shaker
lack electricity and its more savely than electronic microscope because its naturally by using of light
advantage of electronic microscope is easily and clearly while disadvantage is dangerous because its electronic. advantage of light microscope is savely and naturally by sun while disadvantage is not easily,means its not sharp and not clear
Abdullahi
cell theory state that every organisms composed of one or more cell,cell is the basic unit of life
Abdullahi
is like gone fail us
DENG
cells is the basic structure and functions of all living things
Ramadan
is organisms that are similar into groups called tara
Yamosa
in what situation (s) would be the use of a scanning electron microscope be ideal and why?
A scanning electron microscope (SEM) is ideal for situations requiring high-resolution imaging of surfaces. It is commonly used in materials science, biology, and geology to examine the topography and composition of samples at a nanoscale level. SEM is particularly useful for studying fine details,
Hilary
cell is the building block of life.
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Source:
OpenStax, Collaborative statistics. OpenStax CNX. Jul 03, 2012 Download for free at http://cnx.org/content/col10522/1.40
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