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STAT 145: Biostatistics

Instructor:

Prof. Khalaf S. Sultan

2B20 Building #4, Phone (office): 4676263,

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Exams and Marks

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Text Book

Basic Concepts and Methodology for the Health Sciences by Wayne W. Daniel. [9th ed.]

Course Syllabus:

Week One ( 5/ 3 /1433 ) : Introduction to Bio-Statistics, (1.1-1.4)

Week two  ( 12/ 3 /1433 ): Types of data and graphical representation, (1.1-1.4)

Week Three ( 19/ 3 /1433 ): - Descriptive statistics: Measures of Central tendency- Mean , median, mode

(2.1-2.6 Excluding stem plot percentiles )

Week Four ( 26/ 3/ 1433 ): Measures of dispersion-Range, Standard deviation, coefficient of variation.

(2.1-2.6 Excluding stem plot percentiles )

Week Five ( 3 / 4/ 1433 ) :Calculating Measures from an Ungrouped Frequency Table

-Approximating Measures from Grouped Data (2.1-2.6 Excluding stem plot percentiles )

Week Six ( 10 / 4 / 1433 ) : Basic probability, conditional probability, (3.1-3.6)

concept of independence, sensitivity, specificity,

Week Seven ( 17/ 4 / 1433 ): Bayes Theorem for predictive probabilities. (3.1-3.6)

 Test1 24  / 4 / 1433  The First Term  Exam  at ( 19:00 – 20:30 )

Week Eight ( 24 / 4 / 1433 ):- Some discrete probability distributions: cumulative distribution (4.1-4.4).

Week Nine ( 8 / 5 / 1433 ) :- Binomial, and Poisson dist-their mean and variance (4.1-4.4Excluding the use of binomial and Poisson tables).

Week Ten ( 10 / 5 / 1433 ):- Continuous probability distributions: Normal distribution ( 4.5-4.8)

Week Eleven ( 22  / 5 /  1433 ): Standard normal distribution, t and chi square distributions ( 4.5-4.8)

Week Twelve ( 29 / 5 / 1433 ):Sampling with and without replacement, sampling distribution of one and two sample means and

one and two proportions. ( 5.1-5.7 Excluding sampling without Replacement)

Week Thirteen ( 7 / 6 / 1433 ) :Statistical inference: Point and interval estimation, Type of errors,

Concept of P-value (6.2-6.6. 7.1-7.6 Excluding Variances not equal page 181-182)

 Test2   16 / 06 / 1432  The Second Term  Exam  at ( 19:00 – 20:30 )

Week Fourteen ( 22 / 6 / 1433 ) :- Testing hypothesis about one and two samples means and proportions including

paired data – different cases under normality. (6.2-6.6. 7.1-7.6 Excluding Variances not equal page 181-182)

Week Fifteen ( 29 /6/ 1433 ) :-  General review

Course contents and schedule

 Topic No. of Weeks Contact hours Sections from the text Introduction to Bio-Statistics, types of data and graphical representation 2 4 1.1-1.4 Descriptive statistics: Measures of Central tendency- Mean , median, mode, Measures of dispersion-Range, Standard deviation, coefficient of variation. Calculating Measures from an Ungrouped Frequency Table Approximating Measures from Grouped Data. 3 6 2.1-2.6 Excluding stem plot, percentiles, IQR, Basic probability, conditional probability, concept of independence, Sensitivity, Specificity etc, and Bayes Theorem for predictive probabilities. 2.5 5 3.1-3.6 Some discrete probability distributions: cumulative probability distribution, Binomial, and Poisson –their mean and variance 2 4 4.1-4.4 Excluding the use of binomial tables Continuous probability distributions: Normal distribution, Standard normal and t distributions. 2 4 4.5-4.8, 6.3 Sampling with and without replacement, sampling distribution of one and two sample means and one and two proportions. 1.5 3 5.1-5.7 Excluding sampling without Replacement Statistical inference: Point and interval estimation, Type of errors, Concept of P-value, testing hypothesis about one and two samples means and proportions including paired data – different cases under normality. 2 4 6.2-6.6. 7.1-7.6 Excluding Variances not equal page 181-182

We plan to cover seven chapters.

You are required all exercises given in the book. However, we have suggested following questions

 Chapters Page numbers Questions 2 57-61 12(a,b,e) , 14,15 (a,d) 16(a,c) 3 86-91 3,4,5,7,8,9,11,14-23 4 131-133 16-35 5 159-161 10-20 6 206-212 13-21 7 183-300 25-31,40,52,54

Assignments Exams:

1-     Assignments:        (10 Marks)

2-     Exam-I:                  (25Marks)

3-     Exam-II:                 (25 Marks)

4-     Final Exam:           (40 Marks)

§         The table above is a rough plan of the material to be covered. However, each teacher will follow his own distribution of time to different topics.

§         There will be two tests, each consisting of 20 marks and a final exam of 50 marks. 10 marks for home works and quizzes.

§         Attendance in the class is required. Students coming late will be regarded absent.

§         Students are advised to carry the book and a scientific calculator all the times in the class.

§         Programmable calculators are not allowed during examinations.

§         All exams will have multiple-choice questions.

Attendance:

Student missing more than 25% of the total class hours won't be allowed to write the final exam.