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12th Tamil Nadu Board
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What is the standard error of the difference between two sample proportions, (Px-Py)

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Important Questions on Tests Of Significance – Basic Concepts And Large Sample Tests

EASY
12th Tamil Nadu Board
IMPORTANT
Statistics Standard 12>Chapter 1 - Tests Of Significance – Basic Concepts And Large Sample Tests>Exercise>Q 1
Standard error of the sample mean is
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12th Tamil Nadu Board
IMPORTANT
Statistics Standard 12>Chapter 1 - Tests Of Significance – Basic Concepts And Large Sample Tests>Exercise>Q 2
When n is large and σ2 is unknown, σ2 is replaced in the test statistic by
EASY
12th Tamil Nadu Board
IMPORTANT
Statistics Standard 12>Chapter 1 - Tests Of Significance – Basic Concepts And Large Sample Tests>Exercise>Q 3
Critical region of a test is
EASY
12th Tamil Nadu Board
IMPORTANT
Statistics Standard 12>Chapter 1 - Tests Of Significance – Basic Concepts And Large Sample Tests>Exercise>Q 4
The critical value (table value) of the test statistic at the level of significance α for a two-tailed large sample test is 
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12th Tamil Nadu Board
IMPORTANT
Statistics Standard 12>Chapter 1 - Tests Of Significance – Basic Concepts And Large Sample Tests>Exercise>Q 23

What do you understand by random sample

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12th Tamil Nadu Board
IMPORTANT
Statistics Standard 12>Chapter 1 - Tests Of Significance – Basic Concepts And Large Sample Tests>Exercise>Q 24

What are the different types of errors in hypothesis testing problem

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12th Tamil Nadu Board
IMPORTANT
Statistics Standard 12>Chapter 1 - Tests Of Significance – Basic Concepts And Large Sample Tests>Exercise>Q 29

What is statistic?

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12th Tamil Nadu Board
IMPORTANT
Statistics Standard 12>Chapter 1 - Tests Of Significance – Basic Concepts And Large Sample Tests>Exercise>Q 41

Find standard error of the sample proportion P=0.45 when the population proportion is 0.5 and the given sample size is 100