Answered: statements about t-tests is incorrect?…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

Which of the following statements about t-tests is incorrect? Select one:

a. The t-test is a type of inferential statistic.

b. The closer the t-score is to zero, the more likely it is that the difference between the two groups is not statistically significant.

c. The t-test determines the significant difference between two data sets based on the difference between the means, the sample size, and the standard deviations.

d. The one-sample t-test is used to compare data from the same, or related groups over time.

Statistics that allow for inferences or estimates about the population. Inferential statistics enable analysts come to conclusions about the population based on sample data. Inferential statistics cover the basics of inferential statistics, all kinds of hypotheses tests and their confidence intervals, design of experiments, and statistical power and errors. It also includes point estimation techniques, limit theorems, sampling distributions, approximations, and bounds. Correlation, regression, and association are also covered under inferential statistics to infer relationships between variables.

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