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Tamil Nadu Board of Secondary EducationHSC Commerce कक्षा १२

HSC Commerce कक्षा १२ - Tamil Nadu Board of Secondary Education Question Bank Solutions for Business Mathematics and Statistics

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Business Mathematics and Statistics
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Choose the correct alternative:

A ______ is a statement or an assertion about the population parameter

[8] Sampling Techniques and Statistical Inference
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Choose the correct alternative:

Type I error is

[8] Sampling Techniques and Statistical Inference
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Choose the correct alternative:

Type II error is

[8] Sampling Techniques and Statistical Inference
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Choose the correct alternative:

The standard error of sample mean is

[8] Sampling Techniques and Statistical Inference
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Explain the procedures of testing of hypothesis

[8] Sampling Techniques and Statistical Inference
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Explain in detail the test of significance of a single mean

[8] Sampling Techniques and Statistical Inference
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The mean I.Q of a sample of 1600 children was 99. Is it likely that this was a random sample from a population with a mean I.Q 100 and standard deviation of 15? (Test at 5% level of significance)

[8] Sampling Techniques and Statistical Inference
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Define Statistical Quality Control

[9] Applied Statistics
Chapter: [9] Applied Statistics
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Mention the types of causes for variation in a production process

[9] Applied Statistics
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Define chance cause

[9] Applied Statistics
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Define assignable cause

[9] Applied Statistics
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What do you mean by product control?

[9] Applied Statistics
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What do you mean by process control?

[9] Applied Statistics
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Define a control chart

[9] Applied Statistics
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Name the control charts for variables

[9] Applied Statistics
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Define the mean chart

[9] Applied Statistics
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Define R chart

[9] Applied Statistics
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What are the uses of statistical quality control?

[9] Applied Statistics
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Write the control limits for the mean chart

[9] Applied Statistics
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Write the control limits for the R chart

[9] Applied Statistics
Chapter: [9] Applied Statistics
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