University Karnataka Department of Pre University Education Course & Year I PUC Subject Statistics Download Model Question Paper Year 2023-24 Document Type PDF Official Website https://pue.karnataka.gov.in/english

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## PUE PUC I Statistics Model Question Paper 2024

Download Karnataka Department of Pre University Education (PUE) 2024 First Year PUC Statistics Examination Model Question Paper.

Download PUE Karnataka I PUC 2024 Model Question Papers Here [All Subjects]

## Download PUE PUC I Statistics Model Question Paper 2024

 Course & Subject Model Question Paper I PUC Statistics Download Here

## PUE Karnataka PUC I Statistics Model Questions

I. Choose the correct answer from the choices given: 5 × 1 = 5
1. Who defined Statistics as “The science of counting”?
a) Boddington
b) A.L.Bowley
c) Horace Secris
t d) Croxton & Cowden

2. Classification on the basis of variable is
a) Chronological
b) Geographical
c) Qualitative
d) Quantitative

3. Geometric Mean of 4 and 9 is
a) 2
b) 3
c) 6
d) 36

4. A jar contains 24 marbles, in which some are green and others are blue. If the probability of a green marble is 2/3, then what is the number of green marbles in the jar?
a) 16
b) 8
c) 2
d) 24

5. V(-X+2) is equal to
a) – V(X)
b) V(X)
c) 0
d) V(X)+4

II. Fill in the blanks by choosing appropriate answer from those given in the brackets:
(Event, 2, Percentiles, 100, Frequency, 3) 5 × 1 = 5
6. The number of observations belongs to a class is _________
7. The values which divides the data into 100 equal parts are ______
8. For a mesokourtic curve the value of β2 is ______
9. A set of outcomes of a random experiment is an _____ .
10. The value of E(2) is ________

III. Match the following: 5 × 1 = 5
A B
11. The data collected for the first time (a) Ogives
12. Graph used to used to find median (b) 0
13. Average growth rate (c) Skewness
14. Lack of symmetry (d) Geometric Mean
15. The probability of null event (e) Primary data
(f) Investigator

IV. Answer the following questions: 5 × 1 = 5
16. Mention a need of diagrams.
17. What is range?
18. For a data, if the value of Q2 is 20, then what is the value of D5?
19. Mention an assumption of Interpolation.
20. Define a random variable.

V. Answer any FIVE of the following questions: 5 × 2 = 10
21. State two characteristics of Statistics.
22. Mention two stages of statistical enquiry.
23. If n1 = 6, n2 = 4, X 1= 35 and X 2 = 85, then find combined arithmetic mean.
24. If Q1 = 10, Q2 = 30 and Q3 = 60, then find Bowley‟s coefficient of skewness.
25. If Cov(X,Y) = 12, SD(X) = 4 and SD(Y) = 5, then find „r‟.
26. What is the difference between coefficient of correlation and association of attributes?
27. If P(A∪B)= 0.7, P(A) = 0.6 and P(B) = 0.5, then find P(A∩B).
28. If E(X) = 10 and E(Y) = 5, then find E(X+Y).

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