# Statistical Analysis (CBSE-NET (Based on NTA-UGC) Environmental Science (Paper-II)): Questions 11 - 16 of 19

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## Question number: 11

» Statistical Analysis » Measurement and Distribution of Attributes

Appeared in Year: 2009

MCQ▾

### Question

In symmetrical distribution pattern – (December)

### Choices

Choice (4) Response

a.

Mean & Mode coincide

b.

Median, Mean and Mode coincide

c.

Mode & Median coincide

d.

Mean & Median coincide

## Question number: 12

» Statistical Analysis » Arithmetic, Geometric and Harmonic Means

Appeared in Year: 2009

MCQ▾

### Question

The ‘mean’ that stands for relative importance of different items in a data set is (December)

### Choices

Choice (4) Response

a.

Arithmetic mean

b.

Weighted mean

c.

Geometric mean

d.

Harmonic mean

## Question number: 13

» Statistical Analysis » Basic Elements and Tools

Appeared in Year: 2009

MCQ▾

### Question

Which statistical device helps in analyzing the co-variation of two or more variables? – (December)

### Choices

Choice (4) Response

a.

Mean of the variables

b.

Correlation

c.

Regression

d.

Standard deviation

## Question number: 14

» Statistical Analysis » Arithmetic, Geometric and Harmonic Means

Appeared in Year: 2011

MCQ▾

### Question

For any finite set of positive numbers, which is the correct relationship involving Harmonic Mean (HM), Geometric Mean (GM) and Arithmetic Mean (AM)? – (December)

### Choices

Choice (4) Response

a.

AM ≤ GM ≤ HM

b.

HM ≤ GM ≤ AM

c.

GM ≤ HM ≤ AM

d.

AM ≤ HM ≤ GM

## Question number: 15

» 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

## Question number: 16

» Statistical Analysis » Measurement and Distribution of Attributes

Appeared in Year: 2009

MCQ▾

### Question

Stoke’s Law of Settling Velocity is represented by – (December)

### Choices

Choice (4) Response

a.

b.

c.

d.

f Page