IN A TWO TAIL TEST FOR THE POPU;ATION MEAN IF THE NULL HYPOTHESIS IS REJECTED WHEN THE ALTERNATIVE IS TRU , THEN:
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IN A TWO TAIL TEST FOR THE POPU;ATION MEAN IF THE NULL HYPOTHESIS IS REJECTED WHEN THE ALTERNATIVE IS TRU , THEN:
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- A null and alternative hypothesis are given. Determine whether the hypothesis test is left-tailed, right-tailed, or two-tailed. H0: p ≥ 0.2 Ha: p < 0.2 What type of test is being conducted in this problem?A one-tailed test would be used with a A. null B. research C. directional D. nondirectional hypothesis.Select the appropriate null and alternative hypothesis for the following research question: People who see therapists have lower depression scores than people who do not see therapists? xbar1 = the average depression score for people who see a therapist xbar2 = the average depression score for people who do not see a therapist O Null Hypothesis: People who see a therapist have depression scores lower than or equal to people who do not see a therapist i.e. xbar1 xbar2 O Null Hypothesis: People who see a therapist have depression scores higher than or equal to people who do not see a therapist i.e. xbar1 >= xbar2 Alternative Hypothesis: People who see a therapist have depression scores lower than people who do not see a therapist i.e. xbar1 < xbar2
- Which of the following is the value necessary for rejection (or nonacceptance) of the null hypothesis? 1. The critical value 2. The obtained value 3. Type I error 4. Type II errorSuppose the null hypothesis, H0, is: a weightlifting bar can withstand weights of 800 pounds and less. And the alternative hypothesis, Ha, is: a weightlifting bar can withstand weights of more than 800 pounds.What is the Type I error in this scenario? Select the correct answer below: You say there is insufficient evidence to conclude that the weightlifting bar can withstand weights of more than 800 pounds when, in fact, it can not. You say there is insufficient evidence to conclude that the weightlifting bar can withstand weights of more than 800 pounds when, in fact, it can. You say there is sufficient evidence to conclude that the weightlifting bar can withstand weights of more than 800 pounds when, in fact, it can not. You say there is sufficient evidence to conclude that the weightlifting bar can withstand weights of more than 800 pounds when, in fact, it can.Determine the Type l error if the null hypothesis, Ho, is: an electrician claims that no more than 10% of homes in the city are not up to the current electric codes. Select the correct answer below: 0 The electrician thinks that no more than 10% of homes in the city are not up to the current electrical codes when, in fact, there really are no more than 10% that are not up to the current electric codes. O The electrician thinks that more than 10% of the homes in the city are not up to the current electrical codes when, in fact, there really are more than 10% of the homes that do not meet the current electric codes. O The electrician thinks that more than 10% of the homes in the city are not up to the current electrical codes when, in fact, at most 10% of the homes in the city are not up to the current electric codes. 0 The electrician thinks that no more than 10% of homes in the city are not up to the current electrical codes when, in fact, more than 10% of the homes are not up to the…
- For the following null and alternative hypothesis describe the scenario of an instructor making a Type I Error Ho: A student is not cheating on an Exam H1: A student is cheating on an ExamA hypothesis test is performed on the following where the claim is the null hypothesis Ho:p = 0.74 H :p+0.74 a.) What population parameter is being tested? a. proportion b. standard deviation C. mean d. variance b.) What type of hypothesis test is being performed? a. left-tailed b. right-tailed c. two-tailedWhen the null hypothesis is true, the F test statistic is close to ["", "", ""] . When the null hypothesis is false, the F test statistic is most likely ["", ""]
- Heb: D HY: h-30: HO:x 30 HO h= 30 HY: x- 38 The mean weight of female aerobics instructors in a certain city is at least 125 lbs. Express the null and alternative hypotheses in symbolic form for this claim. Use the following codes to enter the following symbols: > enter >= enter <= # enter != claim with a significance level of 0.1. Was there statistical significance for this ConbInt I prop 2,nt 2 Use thhe information in number I to create a Comfidence interval oatmate for the cent of student who dislike math. Are my claims aboot students whom distike ngad by the interval? Interpret the interval. ALVIYA type Il error A. is the rejection of a true null hypothesis. OB. arises when the false null hypothesis is not rejected. OC. arises when the true null hypothesis is not rejected. OD. is the rejection of a false null hypothesis.A sample is selected from a population with a mean of m = 30 and a treatment is administered to the sample. If the treatment is expected to increase scores and a t statistic is used for a one-tailed hypothesis test, then which of the following is the correct null hypothesis?
