# Statistical Analysis-Tests of Hypothesis and Significance (CBSE-NET (Based on NTA-UGC) Environmental Science (Paper-II)): 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 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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