Null and Alternative Hypotheses
Not what you're looking for?
Many law enforcement agencies use voice-stress analysis to help determine whether persons under interrogation are lying. If the sound frequency of a person's voice changes when asked a question, the presumption is that the person is being untruthful. For this situation, state the null and alternative hypotheses in verbal terms, then identify what would constitute a Type 1 error and a Type II error in this situation.
Explain fully.
(10.6)
NOTE: Please an Excel spreadsheet for response. Please do not just
provide the answers but show in complete detail how you arrived at the
answers, step-by-step, from the beginning to the end of the solution.
Purchase this Solution
Solution Summary
A Complete, Neat and Step-by-step Solution is provided in the attached file. The solution helps answers questions about null and alternative hypotheses. Detailed explanations are given.
Solution Preview
For the given scenario, the hypotheses can be formulated as
Ho: The voice frequency does not change which means the person is truthful
Ha: The voice frequency changes, which ...
Purchase this Solution
Free BrainMass Quizzes
Know Your Statistical Concepts
Each question is a choice-summary multiple choice question that presents you with a statistical concept and then 4 numbered statements. You must decide which (if any) of the numbered statements is/are true as they relate to the statistical concept.
Measures of Central Tendency
Tests knowledge of the three main measures of central tendency, including some simple calculation questions.
Terms and Definitions for Statistics
This quiz covers basic terms and definitions of statistics.
Measures of Central Tendency
This quiz evaluates the students understanding of the measures of central tendency seen in statistics. This quiz is specifically designed to incorporate the measures of central tendency as they relate to psychological research.