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Azpower of the test
B:-power function
C+0C function
D:-none of the above
Correct Answer:- Option-B
Question?
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B:-28.125
D:-none of the above
Correct Answer:- Option-C
Question’:
AvZtest
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D:-ttest
Correct Answer:- Option-D
Question79sTesting Ho: =1500 against <1500 leads to
Avone-sided lower tailed test
B--one-sided upper tailed test
Crtwo-tailed test
Dell the above
Correct Answer:- Option-A

Question80:"The mean difference between 9 paired observations is 15.0 and the standard deviation of differences is 5.0. The value of statistic t is

Correct Answer:- Option -B
Question 1+Range of statistic t is
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tow

Correct Answer: Option-B

Question 2--Given the following eight sample values -4, -3, -3, 0, 3,3, 4,4 the value of student's tstatiste to test Ho : ८ =

۸23
B:-0.97
0.3.30
01
Correct Answer:- Option-D

Question 3-In a contingency table, the expected frequencies are computed under
‘Aenull hypothesis fy

Bealternative hypothesis 11,
71
D:-no consideration of hypothesis
Correct Answer:- Option-A
(Question 4"The term regression was introduced by
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B:-Sir Francis Galton
C+Karl Pearson
D:-none of the above
Correct Answer:- Option-B
Questions:

if yy and yy are two regression coefficients they have

Avsame sign
B:-opposite sign
பணியிட same or opposite signs
D:-nothing can be said
Correct Answer:- Option-A

Question86:"The lines of regression intersect at the point
۸0

பயறு
5-6.۷
Correct Answer: Option-D

‘Question8 7:Ifa constant 50 is subtracted from each of the value of X and Y, the regression coefficient is
Avreduced by 50

bi thot the orignal regression cont

Crincreased by 50
De-not changed
Correct Answer:- Option-D

(Question 8-If pis the simple correlation coefficient, the quantity p” is known as
Axcoefficient of determination
B:-coefficient of non-determination
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D:-none of the above
Correct Answer:- Option-A
Question89:The range of simple correlation coefficient is
۸-0 0
Bee tox
೦:೦೫ 1
ए
Correct Answer:- Option-D
Question90:"The hypothesis for a specific known value of » can be tested by
Axttest
BeZtest

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population is distributed as N(, 1 ).0 A sariple.bf 576 items has a mean 4.7. The value of the statistic Z to test ॥ कह

sample of 12 specimen taken from a normal population is expected to have a mean 50 mg/cc. The sample has a mean 64 mg/cc with a variance of 25. To test Ho

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05/25/2015 03:06 PM