Question # 1

Where 'a' is any constant.

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a₁ +a₂+ a₃ +................

na

n₁x₁ + a₂x₂ +..............

Σna

A portion of populatin selected for study is called.

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Parameter

Statistic

Population

Sample

Colour of hair is a

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Continuous variable

Discrete variable

Qualitative variable

Quantitative variable

Any study in which the scientist can control the allocation of treatments to the experimental units is called.

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Trial

Analysis

Experiment

Survery

Major area of statistics today is concerned with drawing conclusion from.

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Complete study

Samples

Populations

Complete universe

The data whiich have not undergone any statistical treatment are.

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Primary data

Secondary data

Qualitative data

Discrete data

Measurement usually provide.

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Discrete data

Continuous data

Primary data

Qualitative data

Y₃+y₄+......+y₁₅ =

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Σ¹⁵ _i=1 Y₁

Σ¹⁵ _i=3 Y₂

¹⁵Σ_i=3 Y_i

¹⁵Σ_i=3Y_i²

A quantitative variable whose value are countable is called.

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Categorical variable

Continuous variable

Discrete variable

None of these

Information recorded in its original form, whether counts or measurements in referred to as.

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Continuous data

Raw data

Discrete data

Arrayed data

The number 136.500 rounded off to nearest unit is.

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136

137

136.5

136.0

A numerical characteristics of a sample is called.

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Parameter

Variable

Sample

Statistics

In the signgular sense, statistics means.

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Methodology

Numerical data

Sample values

Count data

Statistics must be

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Comparable

Not comparable

Qualitative only

NOne of these

Weight of students in a class make

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Discrete data

Continuous data

Constant data

Qualitative data

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Statistics Ics Part 1 Chapter 1 Online Test MCQs With Answers

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