When hypothesis testing, a more common and conservative approach is to use a ________ rather than a ________. Question 8 options: research hypothesis; null hypothesis one-tailed test; two-tailed test null hypothesis; research hypothesis two-tailed test; one-tailed test

Answered: When hypothesis testing, a more common…

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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Which of the following statements below is incorrect about Type II error? The larger the effect size, the smaller the power of the test will be. For a given probability of type I error, the probability of type II error can be reduced by increasing the sample size. The power of a test is equal to 1-3, where represents the probability that a hypothesis test does not reject a false null hypothesis. The effect size measures the distance between the true population proportion and the value assumed for it in the null hypothesis.
When conducting a hypothesis test, the claim being tested about the population is called the ______________________, whereas the hypothesis that illustrates what we really think is going on in the population is called the ___________________________________. A. null hypothesis; theoretical hypothesis B. alternative hypothesis; null hypothesis C. research hypothesis; null hypothesis D. null hypothesis; alternative hypothesis E. alternative hypothesis; research hypothesis
PART B (b) Based on your answer to part (a), which of the following statements is true? ____ Since the p- valueis less than the significance level, the null hypothesis is rejected. _____ Since the p- valueis less than the significance level, the null hypothesis is not rejected. ____ Since the p- valueis greater than the significance level, the null hypothesis is rejected. ___ Since the p- valueis greater than the significance level, the null hypothesis is not rejected.
Apply table to question. Thanks!
21
Determine whether the statement is true or false. If it is false, rewrite it as a true statement. In a hypothesis test, you assume the alternative hypothesis is true. Question content area bottom Part 1 Choose the correct answer below. A. True. B. False. In a hypothesis test, you assume the null hypothesis is true. C. False. In a hypothesis test, you make no assumptions.
Answer all these questions. A, B and C questions
We will _______ if the test statistic lands in the unlikely region. Group of answer choices A. reject the alternative hypothesis B. fail to reject the null hypothesis C. cannot determine D. reject the null hypothesis and accept the alternative hypothesis
Hypothesis Testing Review For each problem below, simply identify the null and alternative hypotheses. Use appropriate notation/symbols. You do not have to run any hypothesis tests, although it's good practice and I'll post answers for all of them. 1) A simple random sample of 44 men from a normally distributed population results in a standard deviation of 10.7 beats per minute. The normal range of pulse rates of adults is typically given as 60 to 100 beats per minute. If the range rule of thumb is applied to that normal range, the result is a standard deviation of 10 beats per minute. Use the sample results with a 0.10 significance level to test the claim that pulse rates of men have a standard deviation equal to 10 beats per minute. 2) In 1997, a survey of 880 households showed that 145 of them use e-mail. Use those sample results to test the claim that more than 15% of households use e-mail. Use a 0.05 significance level.
Which one of the following tests is NOT used for hypothesis testing? a. Sign Test b. Regression c. T tests d. F Test
Serving Time. According to the Bureau of Crime Statistics and Research of Australia, as reported on Lawlink a. determine the null hypothesis. b. determine the alternative hypothesis. c. classify the hypothesis test as two tailed, left tailed, or right tailed.
High School Band - In most US high schools, students can play an instrument in three types of bands. A random sample of high school band students was taken and the results are summarized in the table below. Instrument type Band Woodwind Brass Percussion type Concert 31 25 8. Jazz 10 16 10 Marching 65 65 27 To assess whether there is a relationship between band type and instrument type, we want to conduct an appropriate hypothesis test. Choose the null and alternative hypothesis? 1. The categorical variables band type and instrument type are independent. Alternative hypothesis 2. The categorical variables band type and instrument type are not independent. Null hypothesis

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	research hypothesis; null hypothesis
	one-tailed test; two-tailed test
	null hypothesis; research hypothesis
	two-tailed test; one-tailed test