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Probability From Samples to Statistics MCQ

An error that occurs when we fail to reject the null hypothesis when in fact the null hypothesis is false is called ____ error.

Answer

Correct Answer: Type II

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An error that occurs when we reject the null hypothesis when in fact the null hypothesis is true is called ____ error.

Answer

Correct Answer: Type I

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A family of curves, each differing slightly more from the normal curve depending on the number of degrees of freedom is called ____ distribution

Answer

Correct Answer: T

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An estimate of the standard deviation of a distribution of proportions from a series of samples. It is based on a single sample.

Answer

Correct Answer: Proportion

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An estimate of the standard deviation of a distribution of means from a series of samples. It is based on a single sample is called Standard error of the ____.

Answer

Correct Answer: Mean

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A technique used to estimate the magnitude of difference between means from two random samples using standard deviations is called Standard error of differentiation.

Answer

Correct Answer: True

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The difference between the characteristics of a random sample and the characteristics of the population from which the sample was drawn is called ______

Answer

Correct Answer: Sampling error

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A prediction that a trend or pattern exists in the data is called research hypothesis.

Answer

Correct Answer: True

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A sample in which each member of the population has a known and equal probability of being selected is called _____ sample.

Answer

Correct Answer: Random

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Measures are the sed to describe the characteristics of a population is called _____.

Answer

Correct Answer: Parameters

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A prediction that no trend or pattern exists in the data is called _____.

Answer

Correct Answer: Null hypothesis

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A sample in which members of the population have unknown or different probabilities of being selected is called ____ sample.

Answer

Correct Answer: Non probability

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All of the members of a population are eligible to be included in the sample are known as _____.

Answer

Correct Answer: Elements

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A concept used to account for the difference in shape between a sampling distribution and a normal curve is called Degrees of freedom.

Answer

Correct Answer: True

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A range of values between which we can be 99% confident that a mean or proportion will fall is known as _____.

Answer

Correct Answer: 99% confidence level

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A range of values between which we can be 95% confident that a mean or proportion will fall is known as _____

Answer

Correct Answer: 95 %confidence level

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A range of values between which 68% of all sample means (or proportions) will fall is called _____

Answer

Correct Answer: 68% confidence level

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More Statistical Data In Social Science Subjects
Concepts, Variables, and Measurement
Frequency Tables
Measures of Central Tendency
Measures of Dispersion
Probability and the Normal Curve
Cross-tabulation and Chi-Square
Measures of Association for Categorical Variables
Analysis of Variance
Correlation and Regression
More Resources
Statistical Data In Social Science Skill Assessment
Statistical Data In Social Science PDF
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