STA301 Final Term Past Paper Fall 2006 Session 1

FINALTERM EXAMINATION

FALL 2006 STA301 - STATISTICS AND PROBABILITY (Session - 1 Marks: 50 Time: 120min

Student Name:

Center Name/Code:

Exam Date: Tuesday, February 06, 2007

2. Do not ask any question about the contents of this examination from anyone.
3. You are allowed to use the calculator & Statistical tables in order to solve the questions.
4. For your convenience we are providing you the following symbols,

or write Mean, s,σ or sd for standard deviation, s2 σ X or sd2 or

variance for variance, log x ,for square root or whole square root. Question

Question Marks

Q1. Statistics as a subject, in which two of parts is divided? Expalin briefly both of parts. (4 marks)

Q2. Differentiate simple and composite hypothesis. (4 marks)

Q3. Correct the followings: (4 marks)

µ σ contains approximately 50% area. µ σ contains approximately 90% area. µ σ contains approximately 90.88% area.

Q4. The heights in centimeters of 5 students are: (1 marks)

165, 175, 176, 159, 170. The sample median and sample mean are respectively:

170, 169

170, 170

169, 170

176, 169

Q5. The characteristic which can not be measured numerically is called: (1 marks)

Q8. One sided and two sided critical regions are based on: (1 marks)

Level of significance

Sample size

Null hypothesis

Alternative hypothesis

Q9. The rule or formula that is used to estimate a population parameter is called: (1 marks)

Estimate

Estimator

Denominator

Q10. The probability of rejecting a true null hypothesis is called: (1 marks)

Level of significance

1. Type-1 error