Homework Answers
Data is insuffient because in given problem only shows standard deviation and random sample size not given mean and X-bar range
Without mean and X-bar range we can't conclude given problem
please give suffient information i will solve it Thank you
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Assuming σ-4 and n-4, what percent of the time will you: 1. accept the null hypothesis...
When can you "accept" the null hypothesis to be true? When you are writing the interpretation...
When can you "accept" the null hypothesis to be true? When you are writing the interpretation for a hypothesis test about the population mean and state that there is not enough evidence... Why or What do you use to make that determination? When you are writing the interpretation for a hypothesis test about two population means and your claim is the null hypothesis, do you state to support or reject the claim? Given the following interpretation, discuss what next steps...
Question 22 3 pts Suppose you are interested in testing a null hypothesis and the p-value...
Question 22 3 pts Suppose you are interested in testing a null hypothesis and the p-value associated with the test statistic is 0.004. As a result, you should o reject the null hypothesis at the 5-percent level of significance, but not at the 1- percent level of significance. do not reject the null hypothesis at the 5-percent level of significance, but do reject the null at the 1-percent level of significance. o do not reject the null hypothesis at the...
1. You want to test whether you can reject the null hypothesis that a population mean...
1. You want to test whether you can reject the null hypothesis that a population mean is greater than or equal to 10. To do this, you collect a random sample of size 500 from the population, and you calculate that the sample mean and sample standard deviation are 8.6 and s, respectively. Which of the following is true? a. If s is any value between 11 and 13, you can reject the null hypothesis at the 5% significance level....
For each problem, select the correct response. (a) What is the P-value of a test of...
For each problem, select the correct response. (a) What is the P-value of a test of the null hypothesis? A. The probability the null hypothesis is false B. The probability, assuming the null hypothesis is false, that the test statistic will take a value at least as extreme as that actually observed C. The probability the null hypothesis is true D. The probability, assuming the null hypothesis is true, that the test statistic will take a value at least as...
Question 22 3 pts Suppose you are interested in testing a null hypothesis and the p-value...
Question 22 3 pts Suppose you are interested in testing a null hypothesis and the p-value associated with the test statistic is 0.04. As a result, you should do not reject the null hypothesis at the 5-percent or 1-percent levels of significance. O do not reject the null hypothesis at the 5-percent level of significance, but do reject the null at the 1-percent level of significance. reject the null hypothesis at both the 5-percent and 1-percent levels of significance. reject...
la) If variable Y-Normal(μ, σ), then in a sample of n observations, Judge TF of the...
la) If variable Y-Normal(μ, σ), then in a sample of n observations, Judge TF of the following statements on the sample mean Y A) (Y-μ)/σ ~ Normal (μ, σ)-- B) (F-H)/Normal (0, 1) C) (Ỹ-p)/(vn) ~ Normal(0.1)- D) (Y-μ)/( ) ~ t(n-1) lb) Which of the following statements in a hypothesis test defines the i) Type I error Type II error iii) Power A) Pr(Reject Ho) B) Pr(Do not reject Ho) C) Pr(Ho is true) D) Pr(Ho is false) E)...
Please explain it with proper reasoning. 3. The following statements are very important. Give them some careful thought and discuss them (a) When we fail to reject the null hypothesis, we do not clai...
Please explain it with proper reasoning.
3. The following statements are very important. Give them some careful thought and discuss them (a) When we fail to reject the null hypothesis, we do not claim that it is abso- lutely true. We simply claim that at the given level of significance, the data were not sufficient to reject the null hypothesis (b) When we accept the alternate hypothesis, we do not claim that the null hypothesis is absolutely false. We do...
1. a What is a hypothesis test? What is it used for? How are the null...
1. a What is a hypothesis test? What is it used for? How are the null and alternative hypothesis determined? . What are the 3 ways to set up hypotheses? C. Why can't we "accept” a null hypothesis? d. How do we determine if we reject or fail to reject a nuil hypothesis? e. What are the key pieces needed when writing a conclusion? f. Describe the difference between statistically significant and practically significant.
Explain what a P-value is. What is the criterion for rejecting the null hypothesis using the...
Explain what a P-value is. What is the criterion for rejecting the null hypothesis using the P-value approach? Explain what a P-value is. Choose the correct answer below. OA. A P-value is the probability of observing a sample statistic as extreme or more extreme than the one observed under the assumption that the statement in the null hypothesis is true B. A P-value is the number of standard deviations that the observed proportion is from the proportion stated in the...
Consider the following claims a) and b): 1) If you reject the null hypothesis? If you...
Consider the following claims a) and b): 1) If you reject the null hypothesis? If you fail to reject the null hypothesis For each of the claims a) and b), how should you interpret your decision 2) If you reject the null hypothesis? 3) If you fail to reject the null hypothesis?
Question 22 3 pts Suppose you are interested in testing a null hypothesis and the p-value associated with the test statistic is 0.004. As a result, you should o reject the null hypothesis at the 5-percent level of significance, but not at the 1- percent level of significance. do not reject the null hypothesis at the 5-percent level of significance, but do reject the null at the 1-percent level of significance. o do not reject the null hypothesis at the...
Question 22 3 pts Suppose you are interested in testing a null hypothesis and the p-value associated with the test statistic is 0.04. As a result, you should do not reject the null hypothesis at the 5-percent or 1-percent levels of significance. O do not reject the null hypothesis at the 5-percent level of significance, but do reject the null at the 1-percent level of significance. reject the null hypothesis at both the 5-percent and 1-percent levels of significance. reject...
la) If variable Y-Normal(μ, σ), then in a sample of n observations, Judge TF of the following statements on the sample mean Y A) (Y-μ)/σ ~ Normal (μ, σ)-- B) (F-H)/Normal (0, 1) C) (Ỹ-p)/(vn) ~ Normal(0.1)- D) (Y-μ)/( ) ~ t(n-1) lb) Which of the following statements in a hypothesis test defines the i) Type I error Type II error iii) Power A) Pr(Reject Ho) B) Pr(Do not reject Ho) C) Pr(Ho is true) D) Pr(Ho is false) E)...
Please explain it with proper reasoning.
3. The following statements are very important. Give them some careful thought and discuss them (a) When we fail to reject the null hypothesis, we do not claim that it is abso- lutely true. We simply claim that at the given level of significance, the data were not sufficient to reject the null hypothesis (b) When we accept the alternate hypothesis, we do not claim that the null hypothesis is absolutely false. We do...
1. a What is a hypothesis test? What is it used for? How are the null and alternative hypothesis determined? . What are the 3 ways to set up hypotheses? C. Why can't we "accept” a null hypothesis? d. How do we determine if we reject or fail to reject a nuil hypothesis? e. What are the key pieces needed when writing a conclusion? f. Describe the difference between statistically significant and practically significant.
Explain what a P-value is. What is the criterion for rejecting the null hypothesis using the P-value approach? Explain what a P-value is. Choose the correct answer below. OA. A P-value is the probability of observing a sample statistic as extreme or more extreme than the one observed under the assumption that the statement in the null hypothesis is true B. A P-value is the number of standard deviations that the observed proportion is from the proportion stated in the...
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