STAT-231 (NEW)

JavaScript isn't enabled in your browser, so this file can't be opened. Enable and reload.

STAT-231 (NEW)

Email *

Name (Surname First Name Middle name) *

Registration No. *

Mobile Number

1. Mean deviation is the least when it is obtained from the _______. *

Geometric Mean

Mode

Arithmetic Mean

Median

2.Statistics is derived from the latin word _______ *

Statistik

Statistique

Status

Statista

3. The middle points of the rectangles of histogram are joined together by free hand then the figure so obtained is known as _______. *

O give curve

Frequency polygon

Frequency Curve

Pie Chart

4. The common most items of the series is called a _______. *

Central tendency

Median

Range

Mode

5. The height of the plant is the type of variable _______. *

Independent

Dependent

Discrete

Continuous

6. Chi-square has 1 degrees of freedom in 2x2 contingency table *

-1

2.5

7. Geometric mean of 4 and 16 is equal to _______ *

8. Probability of an empty event is _______. *

0.5

0.1

9. The square of standard deviation is called as _______. *

Variance

Mode

Mean

Median

10. Large sample test is applied when the sample size is greater than _______. *

Other:

11. The sum of the deviations of the items from their arithmetic mean is _______. *

-1

12. Independence of attributes is tested by _______test. *

t-test

student distribution

Chi-square

f-test

13. Probability of events lie between _______. *

-1 to 1

-1 to 0

0 to 1

1/2 to -1/2

If A’ is complement event of A then P(A)= _______. *

P(A)= P(A’)

1+ P(A)

P(A’)=1

1- P(A)

15. The average relationship between dependent and independent variable is known as _______. *

S.D.

regression

Variance

Mean

16.For normal distribution coefficient of skewness =β1= _______. *

-1

17. The regression equation of Y on X is given by _______. *

x=a_2+b_(2 ) y

x=by

y=ax

y=a_1+b_1 x

18. Correlation coefficient lies between _______. *

-1 to 0

0 to 5

-1 to 1

0 to 1

19. Standard deviation of the series 5,5,5,5,5 and 5 is _______. *

-1

20. The middle value of an ordered series is called _______quartile. *

First

Second

Fourth

Third

21. For a mesokurtik curve β2 is equal to _______. *

22. Mode of the data 22,23,27,22,20 is _______. *

23.The arithmetic mean of 11,8,12,9,10 is _______. *

24. The median of 20,18,23,,25,17 is _______. *

25. The mean of series X 10 11 12 13 14 f 3 12 18 12 3 is _______. *

26. Median for the data 4000,4800,4400,4200,4600 is _______. *

4000

4400

4800

27. Formula for quartile deviation is _______. *

Q_(3-) Q_1

Q_(3+) Q_1

(Q_(3-) Q_1)/(Q_(3+) Q_1 )

(Q_(3+) Q_1)/2

28. Formula for Coefficient of Q.D. is _______. *

Q_(3-) Q_1

(Q_(3-) Q_1)/2

( Q3-Q1)/(Q3+ Q1)

Q_(3+) Q_1

29.The mid-point of the class 5-10 is _______. *

7.5

30. Arithmetic mean is given by _______. *

√( (∑▒X)/N)

∑▒X/N

∑▒X

N/(∑▒X)

31. Grand total is denoted by _______. *

∑▒N

∑▒X

32. Harmonic mean is given by _______. *

∑▒X/N

N/(∑▒X)

N/(∑▒1/X)

ΣX

33. The income of 6 workers is as follows 1300,1280,950,1020,1200 then the median is _______. *

1200

1110

1300

1020

34.If x1,x2,x3,___,xn are n observations then their G.M. is *

ΣX/N

x1.x2.x3.___xn

√(x1.x2.x3.___xn)

∑▒X

35. Relation between mean, mode ,median is _____. *

mode=3.median+2.mean

Mode =mean+median

mode=mean-median

mode=3.median-2.mean

36. G.M. of 27 and 3 is ________. *

37.Class width of class 10-20 is __________. *

100

38.For the data 21,25,,29,32,48,52,57,64, Q1 is ____ *

39.P(A) i is given by _____ *

(n(S))/(n(A))

n(A)

1+P(A’)

(n(A) )/(n(S))

40. If A and B are independent then P(A∩B)=_____. *

P(A∩B)

(P(A)/)/(P(B))

P(A).P(B)

(P(B))/(P(A))

A copy of your responses will be emailed to the address you provided.

Submit

Clear form

Never submit passwords through Google Forms.

reCAPTCHA

Privacy Terms

This content is neither created nor endorsed by Google. Report Abuse - Terms of Service - Privacy Policy

Forms