Which of the following are one-tailed tests?
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Which of the following are one-tailed tests? Multiple Choice Both Ho'μ 10. HA'μ > 10 and Ho'μ 400. HAus 400
Which of the hypothesis tests listed below is a left-tailed test? Select all correct answers. Select all that apply: H0:μ≥18, Ha:μ<18 H0:μ≤19.3, Ha:μ>19.3 H0:μ=8, Ha:μ≠8 H0:μ≥11.3, Ha:μ<11.3 H0:μ≥3.7, Ha:μ<3.7
Considering the differences between a one-tailed and two-tailed independent samples t-test, using the same data set, which of the following is NOT true: A. the calculated t statistic will be the same for both B. an F-test of variances is required in both cases C. the d.f. will be the same for both tests D. we should select different values for these tests
how to tell which of these is two tailed, one tailed: different, more likely, fewer, etc. (not understanding the hypothesis tests) stats help, very confused.
One-way ANOVA test and t-tests compare means. Which of the following should you consider to select the One-way ANOVA over multiple t-tests when you have more than two groups? A. Multiple t-Tests will increase the likelihood of a Type I Error. B. Multiple t-Tests will decrease the likelihood of saying something is significant when it is not. C. Multiple t-Tests will increase the likelihood of more accurate t-values. D. Multiple t-tests allow to run more tests and the more tests...
b. Is it one tailed or two tailed? Why is it one tailed or two tailed? c. d. Conclusion (statistics) e. Conclusion (in words, which hypothesis was supported?) (Movies tab on the Excel worksheet). You are a sociologist studying social behaviors during movies. You are interested in the number of bathroom breaks during movies as it relates to anxiety. You believe that the subject (type) of the movie impacts the number of bathroom breaks. Please test this hypothesis with a...
Which of the following is an advantage of multiple-choice achievement tests over holistic performance-based assessments? 1. more valid because they can measure more skills 2.more reliable than subjective holistic assessments 3.multiple-choice achievement tests are more criterion-referenced 4. holistic assessments cannot be norm-referenced
Find the p-value for the following large-sample z tests. a.a right-tailed test with observed z = 1.17 b. a two-tailed test with observed z = −2.76 c. a left-tailed test with observed z = −1.82
One tailed t-test O One tailed z-test Question 14 4 pts Which of the following statements most adequately summarizes the conclusion statement resulting from a p-value of 0.03? O We fail to reject the null hypothesis at the alpha level 0.1 We reject the null hypothesis at the alpha level of 0.05 We reject the null hypothesis at the alpha level of 0.01 O We fail to reject the null hypothesis at the alpha level 0.05 Question 15 4 pts
Question A college football coach thought that his players could bench press a mean weight of 275 pounds. It is known that the standard deviation is 55 pounds. A few players thought that the mean weight was less than 275 pounds, so they conducted a hypothesis test. They asked 30 of their teammates for their estimated maximum lift on the bench press exercise and the mean weight was 260 pounds. Which choice shows the correct first three steps to performing...