Statistical Analysis-Tests of Hypothesis and Significance (CBSE-NET (UGC) Environmental Science (Paper-II & Paper-III)): Questions 1 - 4 of 4

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Question number: 1

» Statistical Analysis » Tests of Hypothesis and Significance

Appeared in Year: 2015

Match List-Ⅰ List-Ⅱ▾

Question

Match the List – I with List – II. Identify the correct answer from the codes given below the lists: (June)
List-Ⅰ (Tests) List-Ⅱ (Application)

(A)

Chi-square

(i)

Compare the variance of two-independent samples

(B)

F-test

(ii)

Judging the significance of difference between means of two small samples

(C)

Z-test

(iii)

Judging the significance of mean, median, mode

(D)

T-test

(iv)

Compare sample variance to a theoretical population variance

Choices

Choice (4) Response
  • (A)
  • (B)
  • (C)
  • (D)
a.
  • (iii)
  • (iv)
  • (i)
  • (ii)
b.
  • (i)
  • (iv)
  • (iii)
  • (ii)
c.
  • (iii)
  • (ii)
  • (iv)
  • (i)
d.
  • (iii)
  • (iv)
  • (ii)
  • (i)

Question number: 2

» Statistical Analysis » Tests of Hypothesis and Significance

Appeared in Year: 2009

MCQ▾

Question

Parallelism among the standard curves can be determined by one of the following. – (December)

Choices

Choice (4) Response
a.

Chi square

b.

ANOVA

c.

ANCOVA

d.

Student’s-t test

Question number: 3

» Statistical Analysis » Tests of Hypothesis and Significance

Appeared in Year: 2015

MCQ▾

Question

Chocolates of 250 g produced in a factory were observed to have standard deviation of 2 g. A random sample of 20 chocolates showed a standard deviation of 1.5 g. What is the χ2 value for the sample? – (June)

Choices

Choice (4) Response
a.

6.0

b.

33.3

c.

10.7

d.

7.2

Question number: 4

» Statistical Analysis » Tests of Hypothesis and Significance

Appeared in Year: 2011

MCQ▾

Question

To test whether there is a significant difference between the means of two sets of observations; one employs the following statistical technique: (December)

Choices

Choice (4) Response
a.

t-test

b.

F-test

c.

χ2 test (chi square test)

d.

Regression

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