Sampling of Populations
What is Sampling?
Process of selecting a number of study
units from a defined study population.
Act of studying or examining only a
segment of population to represent the
who
BIO180 LABORATORY
TAKE HOME EXAM 2012-2013 (50 points)
General Directions: Answer by pair or groups of three. Show your solutions if applicable. Save in pdf format and email to
[email protected]
One-Way ANOVA Results and Input: (not sure kung pareho lang ang one way anova at t-test)
Ganito ko inenter yung data
Double check ninyo na lang
And, yung weight and height pala hindi ko macompute kas
BIOLOGY 180
Practice Problems for Exam 1
2nd Semester, 2009-2010
Instructions:
Write all your answers, with complete solutions, on a sheet of yellow pad paper.
Observe legible penmanship. Enclose fina
Gelera, Mariel Grace M.
Magabo, Mark Lester V.
BIO 180 Take Home Exam
1. 7! = 7 x 6 x 5 x 4 x 3 x 2 x 1 = 5040
2. P(L) =
=
= 1.53 x 10-6
3. -0.3, ,
Rationale : Probability values should always be betw
T-test for comparison of two means
Hypothesis testing using t-test was used to determine the difference between the means of blood lead
concentration, creatinine, and fasting glucose of male and femal
Gelera, Mariel Grace M.
Magabo, Mark Lester V.
BIO 180 Take Home Exam
1. 7! = 7 x 6 x 5 x 4 x 3 x 2 x 1 = 5040
2. P(L) =
=
= 1.53 x 10-6
3. -0.3, ,
Rationale : Probability values should always be betw
Laws of Probability
Probability
Measure of how likely an event will occur.
Random events
Chance
A probability of 0, or 0%, means the event
has no chance of happening.
A probability of 1/2 , or 50
Hypothesis testing
Hypothesis
Hypothesis is a
belief concerning
a parameter
Parameter may
be population
mean,
proportion,
variance,
standard
deviation.
I believe that mean weight of
cereal packages
SCORE= 50/50
GOOD.
Gelera, Mariel Grace M.
Magabo, Mark Lester V.
BIO 180 Take Home Exam
1. 7! = 7 x 6 x 5 x 4 x 3 x 2 x 1 = 5040
2. P(L) =
#$
=
" " "
= 1.53 x 10-6
%
3. -0.3, $,
Rationale : Probabili
Nature of Biostatistics
Biostatistics
Application of statistical
methods to the life sciences like
biology, medicine and public
health.
Branches of Statistics
Descriptive Statistics
Refers to the d
T-test for Comparison
between Two Means
The Molesters
Means to be compared
1.
2.
Blood lead concentration, Creatinine, and
fasting glucose in male and female
Blood lead concentration, Creatinine, and
Gelera, Mariel Grace M.
Magabo, Mark Lester V.
BIO 180 Take Home Exam
1. 7! = 7 x 6 x 5 x 4 x 3 x 2 x 1 = 5040
2. P(L) =
=
= 1.53 x 10-6
3. -0.3, ,
Rationale : Probability values should always be betw
Castro, Johan Daryll L.
Viloria, Carlo Eric S.
WBC
1. Q: In attempting to decipher an intercepted message from Libya, a code expert decides to list all
different arrangements of the word CDBTPRS. How
Table _. Measures of Central Tendencies for the Variables Blood Lead Concentration,
Creatinine Level and Fasting Glucose Level of the Sample Subjects from Barangay Agham
BLC (mg/L)
CREA (mg/dl)
FG (mg
POPULATION AND SAMPLE DESCRIPTIONS
Barangay Agham is a settlement area where the researchers worked on. It is a place
wherein the lifestyles of the residents highly depend on the lake which is located
Correlation Data
Linear regression was used in order to determine the correlation between the study
variables. Strength of correlation was determined by the value of R square while direction and
magni
BIO 180 CASE STUDY 2012 -2013
The Cracklings : Cumlat, Catherine T.; De Guzman, Dyan Gabrelle H.; Espiritu, Ma.
Sharmaine D.; Magabo, Mark Lester V.
OBJECTIVES
The purpose of this is study is to provi
Appendix
Comparison Between Means
Table 1. Blood Lead Concentration, Creatinine and Fasting Glucose Level
Of Male Samples
Blood Lead
Concentration(mg/L
)
14.2
14.2
16.2
13.6
16.2
15.6
13.6
12
13.2
10.
ANOVA for BMI
Analysis of Variance was performed to be able to know whether there are significant
differences between the means of the study variables present in different BMI groups. The BMI
groups a
UNIVERSITY OF THE PHILIPPINES MANILA
COLLEGE OF ARTS AND SCIENCES
DEPARTMENT OF BIOLOGY
BIOLOGY 180: GENERAL BIOSTATISTICS
SS 2012-2013
Course Description:
This course provides the basic concepts in p