Which of the following is not a correct way to state a null hypothesis? A Ho:Pi - P2-0 B Ho: H1- H2 -0 Ho: H=0 Ho: p=0.5
Q: The error of rejecting a true null hypothesis is a. a Type I error b. a Type II error c.…
A: Hypothesis testing is an inference process which is used to make the conclusions about the…
Q: Which of the following null hypothesis is considered two tail test? HO: μ ≥77and HO: µ#77 H1: μ #77…
A: a. HO: mu ≥ 77 and HO: µ≠77 Option a represents a two-tailed test because it includes both a…
Q: Describe type I and type Il errors for a hypothesis test of the indicated claim. A shoe store claims…
A: State the hypotheses. That is, the actual proportion of customers who return to buy their next pair…
Q: The local Hannaford is tracking mask compliance in their stores. In mid-March they found that only…
A: We have to find null hypothesis....
Q: In a hypothesis test with hypotheses H.:H= 24 and H. u 24, a random sample of 50 elements selected…
A:
Q: 12. Which of the following is an appropriate null hypothesis in fitting the data? OA. The number of…
A: Hypothesis testing
Q: The P-value for a hypothesis test is shown. Use the P-value to decide whether to reject Ho when the…
A: given p-value =0.0398we know that if p-value is greater than the level of significance(alpha) then…
Q: The null and alternative hypotheses are given. Determine whether the hypothesis test is left tailed,…
A:
Q: In a hypothesis test with a = 0.05 the p-value is calculated to be 0.02. What decision should be…
A: we have find decision.
Q: A student wondered if more than 10% of students enrolled in an introductory Chemistry class dropped…
A: One tailed test : A one-tailed test is a statistical test in which the critical area of a…
Q: The average American consumes 9.8 liters of alcohol per year. Does the average college student…
A: Given that, μ= 9.8
Q: Which of the following is the correct null hypothesis for an independent-measures t test? Question 8…
A: The correct null hypothesis for an independent-measures t test to be identified.
Q: The CEO of a large electric utility claims that at least 80 percent of his one million customers are…
A: Assume that p is the true proportion of satisfied customers.
Q: Which of the following null hypothesis is considered two tail test? O a. HO: μ ≥99 O b. HO: µμ> 99 O…
A: c.Ho:μ=99
Q: ich of the following relates to the acceptance of the null hypothesis when it is actually true? 1.…
A: In hypothesis testing, a type I error occurs when the null hypothesis (Ho) is rejected when it is…
Q: Which of the following facts about the p-value of a test is correct? The p-value is calculated…
A: We have to find correct answer..
Q: Researchers in biology collected a sample of bees. They want to test if the average size of bees is…
A: It is given that the A researcher collects a sample of bees in order to test if the average size of…
Q: When is a researcher at risk of making a Type II error? Group of answer choices: whenever H0 is…
A: There are 2 types of error that can occur when drawing a conclusion to a hypothesis- Type-I and…
Q: You have a significant difference and reject the null hypothesis when:
A: The objective of the question is to understand when we can reject the null hypothesis in statistical…
Q: Researcher A uses a sample of n = 100 for their hypothesis test while Researcher B uses a sample of…
A: Standard error is the error due to random sampling. Population is the set of all objects of…
Q: The eror of rejecting a true null hypothesis is Select one: O a. a Type Il error O b.is the same as…
A:
Q: Guilty or Innocent? In the U.S. court system, a defendant is assumed innocent until proven guilty.…
A: a) The type 1 error state that, Reject the null hypothesis when it is true. Therefore, the defendant…
Q: Ho: U = Uo is a two-tailed hypothesis test True or False
A: Given that : Ho: U = Uo is a two-tailed hypothesis test True or False
Q: In a two-tailed hypothesis test the test statistic is determined to be Z = -2.4. The p-value for…
A:
Q: Researcher shiela used a hypothesis test to test the effectiveness of a drug she is developing. She…
A: Given Data: Null and Alternate Hypothesis: H0: μM=μFHA: μM≠μF P-value=0.005
Q: 3.4 What have you decided to do with the null hypothesis? How did you make this decision? 3.5…
A: The null and alternative hypothesis is, Level of significance, α=0.05 The critical region is,…
Q: Interpreting Z-Test H# 50 := 1.473363499 P=.1406531165 x = 51.62 %3D n=67 Part: 0/5 Part 1 of 5 What…
A: We want to tell you which hypothesis
Q: P=0.0467 *** (a) Do you reject of fail to reject Mo at the v.01 level of significance? O A. Reject…
A: p value=0.0467
Q: In a two-tailed hypothesis test, the test statistic is determined to be Z = -2.4. The p-value for…
A: Given Z =-2.4 and test is two tailed.
Q: If we fail to reject the null hypothesis when the alternative hypothesis is true, we have made a O…
A: There is only two type of error exists Type I and Type II
Q: A null and alternative hypothesis are given. Determine whether the hypothesis test is left-tailed,…
A: Solution: State the hypotheses. Null hypothesis: H0: µ≤2.8 Alternative hypothesis: Ha: µ>2.8
Q: (a) Conduct a hypothesis test to determine if these data provide strong evidence that the majority…
A:
Q: Aaron wanted to know if a new ad promotion would bring more people into his store if he published a…
A: The provided information is as follows:The population proportion of the promotion would be…
Q: A null and alternative hypothesis are given. Determine whether the hypothesis test is left-tailed,…
A: Solution: State the hypotheses. Null hypothesis: H0: µ≤2.8 Alternative hypothesis: Ha: µ>2.8
Q: With a p value of .04 and an ⍺ of .05, should you reject or fail to reject the null hypothesis?"
A: Given that: p-value= 0.04 ⍺=0.05
Q: Researchers in biology collected a sample of bees. They want to test if the average size of bees is…
A: Research in biology collected a sample of bees.They want to test if the average size of bees is…
Q: Which of the following would be an appropriate null hypothesis? Select one: a. All of these. b. The…
A: It is given that the statement about to the null hypothesis. Here, need to find out the correct…
Q: is a 1.5% chance that you made a Type I error. there is a 2.5% chance that you made a Type I…
A:
Q: minutes. Suppose that a simple random sample of 107 visits was selected this year and has a ample…
A:
Q: A null and alternative hypothesis are given. Determine whether the hypothesis test is left-tailed,…
A: Given, Null and alternative hypothesis are H0:σ≥4.4 Ha:σ<4.4
Q: A student conducts a hypothesis test at alpha = 0.10. If the P-value is 1.62, which of the following…
A: Decision rule:
Q: orted that young men in the United States watch 56.2 minutes of prime time TV daily. A researcher…
A: (a) In hypothesis testing, the Type I error is known as the probability of rejecting the null…
Q: II, in a sal irom nomai popuiation, A = 54 and S= 5, What is the value of STAT " you are testing the…
A: Given Xbar=54 n=25 S=5 Mu=50
Q: An economist claims that the proportion of people who plan to purchase a fully electric vehicle as…
A: The provided information are: Sample size (n) = 750Hypothesised proportion (po)=0.65From the…
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- The average American consumes 8.6 liters of alcohol per year. Does the average college student consume less alcohol per year? State your null and alternative hypothesis H0:H0: ? μ p Select an answer < > = ≠ Ha:Ha: ? μ p Select an answer ≠ > = <The error of rejecting a true null hypothesis is Select one: O a. a Type Il error O b. is the same as a O c. Non of the above O d.a Type I error geyou have been hired by the San Antonio Spurs to analyze the 2005-2006 season. For each of the 33-36 games, you will need to analyze the following three variables for EACH team: DRB - Number of Defensive Rebounds ORB – Number of Offensive Rebounds 3P – 3 point Field Goals Made Spurs- DRB- 2548 ORB- 851 3P- 524 Opponent - DRB- 2417 ORB- 886 3P- 886 1. Create a Null Hypothesis and Alternative Hypothesis based on the data above. The Hypothesis must be in written form and formula form. 2. Show the Cluster sample in Excel and explain how the data was collected and the data must represent a sample. The sample sizes must be greater than 33-36 games. 3. using Excel, A list of the summary statistics and an interpretation of each and includes the 1) Mean, 2) Variance, 3) Standard Deviation, and two statistical graphs/charts learned in the course including a Scatter Plot (i.e... Histogram, Line, etc. Emphasize…
- Identify the null and the alternative hypotheses (NO need to show work in "show work" box). An animal psychologist claims that more than 23 percent of the gazelle population suffers from stress due to human presence. Họ: Select an answer v H;: Select an answer v The original claim = Select an answer vWhich of the following is an example of a Type 1 error? Rejecting a false null hypothesis. Rejecting a true null hypothesis. Failing to reject a false null hypothesis. Failing to reject a true null hypothesis.What are the two decisions that you can make from performing a hypothesis test? CO What are the two decisions that you can make from performing a hypothesis test? Select all that apply. A. fail to reject the alternative hypothesis C. reject the null hypothesis E. accept the null hypothesis G. make a type I error B. make a type Il error D. reject the alternative hypothesis F. fail to reject the null hypothesis H. accept the alternative hypothesis
- Suppose that we fail to reject a null hypothesis at the 0.01 level of significance. Then for which of the following a-values do we also fail to reject the null hypothesis? O A. 0.2 O B. 0.1 C. 0.005 O D. 0.015 E. 0.02Pavan1 You are asked to perform a hypothesis test that population mean is greater than 55. Which of the following is the correct statement of the null and alternative hypotheses for this test? a H₀: µ ≠ 55 H₁: µ > 55 b H₀: µ > 55 H₁: µ ≤ 55 c H₀: µ ≤ 55 H₁: µ > 55 d H₀: µ ≥ 55 H₁: µ < 55
- If your null and alternative hypothesis are: Ho:p = 0.49 H1:p + 0.49 Then the test is: O left tailed right tailed two tailedThe average final exam score for the statistics course is 78%. A professor wants to see if the average final exam score for students who are given colored pens on the first day of class is higher. The final exam scores for the 13 randomly selected students who were given the colored pens are shown below. Assume that the distribution of the population is normal. 90, 84, 93, 77, 95, 79, 82, 70, 85, 70, 83, 100, 90 What can be concluded at the the a = 0.05 level of significance level of significance?A researcher conducts a hypothesis test on a population proportion. Her null and alternative hypothesis are H0:p = 0.4 and Ha: p < 0.4. The test statistic and p-value for the test are z = -3.01 and p-value = 0.0013. For asignificance level of a= 0.05, choose the correct conclusion regarding the null hypothesis.H0:________________________ Ha:_______________________Compare the p-value and a:_______________Decision:_________________________Conclusion:___________________________________________________________
