NTA-NET (UGC-NET) Social Medicine & Community Health (81): Questions 53 - 55 of 811

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Question 53

Appeared in Year: 2018

Question MCQ▾

A set of sample of 20 places of mean annual rainfall were randomly selected from normally distributed universe that has mean annual rainfall of 320 cm. The sample mean was recorded 250 cm with standard deviation of 150 cm. Which one of the following significance tests is correct for the selected samples? (July Paper II)

Choices

Choice (4)Response

a.

test

b.

test

c.

test

d.

test

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Question 54

Appeared in Year: 2018

Question MCQ▾

In a frequency distribution of series having 6 integers with missing one, , among them, the parameters of calculating mean, , are as (excluding frequency of missing which is (including frequency of missing integer) and . Which one of the following integers is approximately correct for missing ? (July Paper II)

Choices

Choice (4)Response

a.

9

b.

7

c.

6

d.

8

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Question 55

Appeared in Year: 2018

Question MCQ▾

Which is Median in the following?

Choices

Choice (4)Response

a.

Value obtained by dividing the sum of the values by their number

b.

That central value which divides the series into two equal parts

c.

Number of highest frequency in the series

d.

That value in the series around which other values are scattered

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