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Business Statistics and Research Methods
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Q681

A simple random sample is one in which:

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Q682

The prabability that the throw of two dice yields a total of 5 or 8 is . . . . . . . .

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Q683

. . . . . . . . is drawn by joining the mid-points of the upper widths of adjacent rectangles of the histogram, with straight lines.

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Q684

When coefficient of skewness is zero the distribution is

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Q685

Z-test is better used when sample size is

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Q686

For testing of independence of two attributes, which of the following tests is used?

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Q687

In which sampling the entire population is segmented into mutually exclusive groups?

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Q688

Sampling method is prove to be a better method over census under which of the following condition?
1. When sample size is infinite.
2. When each unit of population is heterogenous.
3. When approximated results are required.

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Q689

Important factors causing seasonal variations are

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Q690

A prior probability is an . . . . . . . . probability value.

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Q691

"Statistics is not only a science but it is also a scientific method". Whose statement is this-

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Q692

If the value of correlation coefficient is zero, then both the regression lines

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Q693

Reciprocal of 0.062 is-

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Q694

Which of the following tells us what the report is all about?

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Q695

Match the following.

List-I	List-II
a. Statistical methods	1. Technique used for collection, summarisation, analysis, comparison, classification and interpretation of huge and complex numerical data
b. Branch of statistics	2. Inductive and descriptive statistics
c. Nature of statistics	3. Science and art
d. First user of statistics	4. Hemlet

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Q696

From the given table match the following.

Class Interval	350-369	370-389	390-409	410-429	430-449	450-469
Frequency	15	27	31	19	13	6

List-I	List-II
a. Mid-value of class interval 370-389	1. 379.5
b. Σf	2. 111
c. Σfx	3. 44464.5
d. Arithmetic mean	4. 400.58

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Q697

The graph showing the paired points of (Xi, Yi) is called:

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Q698

Ethnological research design focuses on

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Q699

The standard error of the mean is equal to:

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Q700

Inductive logic proceeds from:

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