Statistical Analysis (CBSE-NET (UGC) Environmental Science (Paper-II & Paper-III)): Questions 6 - 10 of 19

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Question number: 6

» 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: 7

» Statistical Analysis » Distribution-Normal, T and Poisson and Binomial

Appeared in Year: 2015

MCQ▾

Question

In a random sample of x=16 , the mean (X) is 40, and the standard deviation (sd) is 4.0. The 95 % confidence interval (Z = 1.96) for the mean is. (June)

Choices

Choice (4) Response

a.

±4.0

b.

±0.30

c.

±0.25

d.

±1.96

Question number: 8

» Statistical Analysis » Measurement and Distribution of Attributes

Appeared in Year: 2015

MCQ▾

Question

Which one of the following would indicate that a dataset is NOT distributed in a bell-shape? – (June)

Choices

Choice (4) Response

a.

The mean is much smaller than the median

b.

There are no outliers

c.

The range is equal to 5 standard deviation

d.

The range is larger than the inter quartile range

Question number: 9

» 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: 10

» Statistical Analysis » Distribution-Normal, T and Poisson and Binomial

Appeared in Year: 2015

MCQ▾

Question

The mean of a Poisson’s distribution is 8. Its standard deviation is (June)

Choices

Choice (4) Response

a.

22

b.

4

c.

85

d.

2

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