True or false? please explainHomework Answers
Solution :
Given that,
p value > 0.05
Fail to reject the null hypothesis .
b) False
Add Answer to:
True or false? please explain
The results from an independent-measures t hypothesis test are reported as...
PLEASE help ?? A researcher conducted a single sample t-test on results of an experiment with...
PLEASE help ??
A researcher conducted a single sample t-test on results of an experiment with n = 18 participants and the computed t = -2.28. What is the correct conclusion from this experiment if p < 0.05, 2-tails test is used for hypothesis testing? O A. The researcher failed to reject the null hypothesis and concluded that there is a significant treatment effect. O B. The researcher rejected the null hypothesis and concluded that there is a significant treatment...
give reason please 12. A research study uses a single sample of participants to evaluate the...
give reason please
12. A research study uses a single sample of participants to evaluate the effect of a treatment. The results of the hypothesis test are reported as follows: (14)=2.73.p<.05." Based on this report, what was the statistical decision? (a) The null hypothesis was rejected and the probability of a Type I error is less than .05. b. The null hypothesis was not rejected and the probability of a Type I error is less than .05. e. The null...
True or False The model used for hypothesis testing of proportions is called a two-proportion z-test....
True or False The model used for hypothesis testing of proportions is called a two-proportion z-test. True or False Beta (β) is the significance level which determines if the null hypothesis is rejected. True or False In business, the p-value is one of several factors in determining whether or not to reject a null hypothesis. True or False We could make a decision to reject a null hypothesis on a very low p-value or a very high z score.
An independent-measures research study uses two samples, each with n = 10 participants. If the data...
An independent-measures research study uses two samples, each with n = 10 participants. If the data produce at statistic of t = 2.095, which of the following is the correct decision for a two-tailed hypothesis test? Reject the null hypothesis with a = .05 Reject the null hypothesis with a - .01 O Fail to reject the null hypothesis with a - .05 Cannot answer
Question A. The below data correspond to an independent-measures t test. 1. Provide a hypothetical research...
Question A. The below data correspond to an independent-measures t test. 1. Provide a hypothetical research question that is appropriate for an independent- measures t test. 2. Identify the independent and dependent variables of your research design, including the levels of the independent variable. 3. Describe what an alpha level is, and what the alpha level's relationship is to the null hypothesis in the specific context of your research study. 4. Using the following data below, determine whether the data...
Consider the following data from a repeated-measures design. You want to use a repeated-measures t test...
Consider the following data from a repeated-measures design. You want to use a repeated-measures t test to test the null hypothesis H_0: mu_D = 0 (the null hypothesis states that the mean difference for the general population is zero). The data consist of five observations, each with two measurements, A and B, taken before and after a treatment. Assume the population of the differences in these measurements are normally distributed. Complete the following table by calculating the differences and the...
Question 10 You conduct a hypothesis test using a computer and get the following results: Test...
Question 10 You conduct a hypothesis test using a computer and get the following results: Test of p = 0.7 vs p -/-0.7 Z-value -1.57 p-value 0.1164 The significance level for this test is alpha=0.10, so you decide to fail to reject the null hypothesis. Which of the following statements is true? (Select all that apply) (A) If this test was one-tailed instead of two-tailed, you would still fail to reject the null. (B) If this test was one-tailed instead...
The null hypothesis for the independent-measures t-test states _____ A) M1 - M2 = 0 B)...
The null hypothesis for the independent-measures t-test states _____ A) M1 - M2 = 0 B) μ1 - μ2 ≠ 0 C) μ1 - μ2 = 0 D) M1 - M2 ≠ 0
5. A step-by-step hypothesis test for a repeated-measures design Aa Aa E Consider the following data...
5. A step-by-step hypothesis test for a repeated-measures design Aa Aa E Consider the following data from a repeated-measures design. You want to use a repeated-measures t test to test the null hypothesis Ho: Wp = 0 (the null hypothesis states that the mean difference for the general population is zero). The data consist of five observations, each with two measurements, A and B, taken before and after a treatment. Assume the population of the differences in these measurements are...
2. (2 True-False. Just say whether each statement is True or False – no need to justify...
2. (2 True-False. Just say whether each statement is True or False – no need to justify your answer. 1. If the number of trials in the binomial distribution increases by 1 (and P equals .50), the probability of getting either of the most extreme possible outcomes (that is, 0 or N) is cut in half. 2. If the number of trials in the binomial distribution increases by 1 (and P does not equal .50), the probability of getting either of...
PLEASE help ??
A researcher conducted a single sample t-test on results of an experiment with n = 18 participants and the computed t = -2.28. What is the correct conclusion from this experiment if p < 0.05, 2-tails test is used for hypothesis testing? O A. The researcher failed to reject the null hypothesis and concluded that there is a significant treatment effect. O B. The researcher rejected the null hypothesis and concluded that there is a significant treatment...
give reason please
12. A research study uses a single sample of participants to evaluate the effect of a treatment. The results of the hypothesis test are reported as follows: (14)=2.73.p<.05." Based on this report, what was the statistical decision? (a) The null hypothesis was rejected and the probability of a Type I error is less than .05. b. The null hypothesis was not rejected and the probability of a Type I error is less than .05. e. The null...
An independent-measures research study uses two samples, each with n = 10 participants. If the data produce at statistic of t = 2.095, which of the following is the correct decision for a two-tailed hypothesis test? Reject the null hypothesis with a = .05 Reject the null hypothesis with a - .01 O Fail to reject the null hypothesis with a - .05 Cannot answer
Question A. The below data correspond to an independent-measures t test. 1. Provide a hypothetical research question that is appropriate for an independent- measures t test. 2. Identify the independent and dependent variables of your research design, including the levels of the independent variable. 3. Describe what an alpha level is, and what the alpha level's relationship is to the null hypothesis in the specific context of your research study. 4. Using the following data below, determine whether the data...
Consider the following data from a repeated-measures design. You want to use a repeated-measures t test to test the null hypothesis H_0: mu_D = 0 (the null hypothesis states that the mean difference for the general population is zero). The data consist of five observations, each with two measurements, A and B, taken before and after a treatment. Assume the population of the differences in these measurements are normally distributed. Complete the following table by calculating the differences and the...
Question 10 You conduct a hypothesis test using a computer and get the following results: Test of p = 0.7 vs p -/-0.7 Z-value -1.57 p-value 0.1164 The significance level for this test is alpha=0.10, so you decide to fail to reject the null hypothesis. Which of the following statements is true? (Select all that apply) (A) If this test was one-tailed instead of two-tailed, you would still fail to reject the null. (B) If this test was one-tailed instead...
5. A step-by-step hypothesis test for a repeated-measures design Aa Aa E Consider the following data from a repeated-measures design. You want to use a repeated-measures t test to test the null hypothesis Ho: Wp = 0 (the null hypothesis states that the mean difference for the general population is zero). The data consist of five observations, each with two measurements, A and B, taken before and after a treatment. Assume the population of the differences in these measurements are...
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