You wish to test the following claim (Ha) at a significance level of a Ho : μ = 71.4 Ha : μ < 71.4 = 0.002.
Q: You wish to test the following claim (Ha) at a significance level of a = 0.02. H.:µ = 67.7 Haip<67.7…
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Q: . ttest mpg=%319 One-sample t test Variable Obs Mean Std. err. Std. dev. [95% conf. interval] mpg 16…
A: From the given output, the p-value for two tailed is 0.0381.
Q: You wish to test the following claim Ha at a significance level of α=0.01. H0:μ=86.2…
A: Sample size (n) = 45Sample mean (x̅) = 88.1Standard deviations (s) = 6.2Significance level (α) =…
Q: You wish to test the following claim (H) at a significance level of a = 0.005. H.:µ = 67.2 Ha:u >…
A: GivenH0:μ=67.2H1:μ>67.2Mean(M)=73.8standard deviation(SD)=10.9sample size(n)=35α=0.005
Q: Interpret the following statement regarding the statistical findings of a research study. “61% (n =…
A: Introduction: The outcome of a study involving low-carbohydrate and low-fat diets is given.
Q: You wish to test the following claim (Ha) at a significance level of α=0.001 Ho:μ=85.8…
A: We have ti find p value.
Q: You wish to test the following claim (H.) at a significance level of a = 0.001. H.:µ = 54.8 Ha:µ >…
A: As the population standard deviation is not known, we will use a t-test. The t-statistic is computed…
Q: You wish to test the following claim (Ha) at a significance level of α=0.005. Ho:μ1=μ2…
A: Given Information: First sample: Sample size n1=21 Sample mean x¯1=84.6 Sample standard deviation…
Q: You wish to test the following claim (Ha) at a significance level of a = 0.001. H.:µ = 67.6 H.:µ <…
A: Solution: State the hypotheses. Null hypothesis: H0: µ=67.6 Alternative hypothesis: Ha: µ<67.6
Q: You wish to test the following daim (Ha) at a significance level of a = 0.002. H.:µ = 65.5 Ha:µ #…
A: Givensample Mean(M)=57.5sample size(σ)=15standard deviation(σ)=9.7α=0.02claim isH0:μ=65.5H1:μ≠65.5
Q: ou wish to test the following claim (HaHa) at a significance level of α=0.001 Ho:μ=67.6…
A:
Q: You wish to test the following claim (Ha) at a significance level of a = 0.05. H.:µ = 89.6 Ha:µ +…
A: Given information: The hypotheses are: H0:μ=89.6Ha:μ≠89.6 Significance level α=0.05 Standard…
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A: Given: A study was designed in which the relationship between smoking and work status was examined…
Q: What is the test statistic for this sample? What is the p value for this sample? The p value is…
A: You believe the population is normally distributed but you do not know the standard deviation you…
Q: You wish to test the following claim (Ha) at a significance level of a = 0.005. H,: µ = 68.9 H:µ >…
A: The values of statistics lead to the rejection of the null hypothesis is called a critical region or…
Q: You wish to test the following claim (Ha) at a significance level of a = 0.05. H.:µ = 83.2 Ha:µ <…
A: From the given information, M=60.7μ=83.2SD=10.7n=4 Test statistic: Test statistic=M-μSDn…
Q: tri - tri : H tri > : H ou obtain the following two samples of data. Sample #1 Sample #2 95.8 66.4…
A: The appropriate test is t test for two independent samples. The necessary conditions for conducting…
Q: You wish to test the following claim (H₁) at a significance level of a = 0.001. H₂:1₁ = 1₂ H_:μι <…
A: Given: Null Hypothesis H0:μ1=μ2 Alternative Hypothesis Ha:μ1<μ2 (claim) This is a left-tailed…
Q: You wish to test the following claim at a significance level of α=0.05α=0.05.…
A: Given,H0:μ=85.7Ha:μ<85.7sample size(n)=5mean(x¯)=73.4standard deviation(s)=9.8and α=0.05
Q: You wish to test the following claim (Hα) at a significance level of α=0.02 Ho : =μ 55.7 Ha : ≠…
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Q: g claim (Ha) at a significance level of a = s normally distributed, but you do not kno of data: this…
A: Solution : For the given data : sample size, n = 5 sample mean, x̄ = 112.58 sample…
Q: You wish to test the following claim (Ha) at a significance level of a = 0.002. H.: µ = 57.2 Ha:µ >…
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Q: 1. Draw a normal bell curve. Label all parts using the Empirical Rule.
A: Emperical rule is a statistical rule that states that for a normal distribution- About 68% of the…
Q: You wish to test the following claim (Ha) at a significance level of a = 0.01. For the context of…
A:
Q: You wish to test the following claim (Ha) at a significance level of a = 0.10. H.:µ = 75.2 Ha:µ >…
A: The random variable X follows normal distribution. We have to test whether the population mean is…
Q: You wish to test the following claim (H) at a significance level of a = 0.002. Ho: μ = 52.1 Ηα: μ #…
A: Given that Hypothesis: H0 : μ=52.1 H1 : μ≠52.1 Sample size=n=73 Mean=x¯=61.1…
Q: While reading a published research report, the following is reported: “When we examined the critical…
A: µ = 53.5 σ = not known X bar = 50.00 sx = not given
Q: You wish to test the following claim (Ha) at a significance level of a = 0.005. H,:µ = 88.4 Ha:u +…
A: GivenH0:μ=88.4Ha:μ≠88.4σ=12.9M=83.7n=51α=0.005
Q: You wish to test the following claim (Ha) at a significance level of a = 0.002. H.:µ1 = 42 Ha:H1 <…
A: Given: The hypotheses are: H0: μ1=μ2VsH1: μ1<μ2 Claim For sample 1: n1=25, M1=83.4 and SD1=6.4.…
Q: You wish to test the following claim (Ha) at a significance level of α=0.02 Ho:μ1=μ2…
A:
Q: You wish to test the following claim (Ha) at a significance level of a = 0.005. H.:µ = 64.5 Ha:µ <…
A:
Q: You wish to test the following claim (H.) at a significance level of a = 0.10. T1 = In1:°H T1 > Irt…
A: Vgummnfh
Q: You wish to test the following claim (HaHa) at a significance level of α=0.01α=0.01.…
A:
Q: As such, the final conclusion is that... O There is sufficient evidence to warrant rejection of the…
A: Given α=0.005H0:μ=77.1Ha:μ<77.1σ=19.2M=75n=71
Q: You wish to test the following claim (Ha) at a significance level of α=0.002α=0.002.…
A: Given Information- Hypothesized mean, µ = 68.9 Sample mean, M = 74.7 Sample standard deviation, s =…
Q: What is the test statistic for this sample? (Report the answer accurate to three decimal places.)…
A: Given : n=34 , X-bar=83.2 , σ=13.8 , μ0=79.2 , α=0.005 Since , the population standard deviation…
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Q: You believe both populations are normally distributed, but you do not know the standard deviations…
A: Given n1=20,x¯1=60.9,SD1=6.2 and n2=15,x¯2=76.9,SD2=18.6.
Q: You wish to test the following claim (Ha) at a significance level of a = 0.05. H.:µ1 = 42 Ha:H1 7 42…
A: When the value of sample size is less than 30, then we use student -distribution or chi-square…
Q: You wish to test the following claim (Ha) at a significance level of a = 0.005. %3D H.:u = 84.1…
A: Given: n= 5.0 ,x̄= 95.5 ,s= 8.8 µ= 84.1 ,significance level(∝)= 0.005 ,degree of freedom= 4.0…
Q: You wish to test the following claim (Ha) at a significance level of a = 0.002. H.:µ1 = µ2 Ha:µ1 <…
A: In order to compare the two population means, conduct a two mean comparison hypotheses test. Since,…
Q: You wish to test the following claim (H.) at a significance level of a = 0.05. H.: µ = 84.3 Ha:H >…
A: We have given that Sample size n= 115 , xbar = 88.8 , standard deviation s=13.4
Q: You wish to test the following claim (Ha) at a significance level of a = 0.005. H.:µ = 64.1 Ha:µ +…
A: Here we will use t- test statistic as sample size is less than 30 and we do not know the population…
Q: You wish to test the following claim (Ha) at a significance level of a = 0.002. H.:µ = 59.3 Ha:u <…
A: Given Data: x¯=58.3n=42σ=9.5
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- 0. 14. From the following data relating to marks of students of B.Com. class in aclass test in statistics: Find the value of the two quartiles Marks in statistics : 35, 39, 25, 40, 52, 58, 70, 65.You wish to test the following claim (HaHa) at a significance level of α=0.05 Ho:μ=59.9 Ha:μ>59.9You believe the population is normally distributed, but you do not know the standard deviation. You obtain a sample of size n=93n=93 with mean M=62.6M=62.6 and a standard deviation of SD=9.4SD=9.4.What is the test statistic for this sample? (Report answer accurate to three decimal places.)test statistic = What is the p-value for this sample? (Report answer accurate to four decimal places.)p-value = The p-value is... less than (or equal to) αα greater than αα This test statistic leads to a decision to... reject the null accept the null fail to reject the null As such, the final conclusion is that... There is sufficient evidence to warrant rejection of the claim that the population mean is greater than 59.9. There is not sufficient evidence to warrant rejection of the claim that the population mean is greater than 59.9. The sample data support the claim that the…You wish to test the following claim (HaHa) at a significance level of 0.10. Ho:μ=80.1Ho:μ=80.1 Ha:μ<80.1Ha:μ<80.1 You believe the population is normally distributed, but you do not know the standard deviation. You obtain a sample of size n=11n=11 with mean M=70.3M=70.3 and a standard deviation of SD=7.7SD=7.7. The test statistic is -4.221 What is the p-value for this sample?
- You wish to test the following claim (HA) at a significance level of a = 0.002. H.:µ = 76.5 Ha: µ > 76.5 You believe the population is normally distributed, but you do not know the standard deviation. You obtain a sample of size n = 16 with mean M = 95.2 and a standard deviation of SD = 18.2. What is the test statistic for this sample? (Report answer accurate to three decimal places.) test statistic = 4.1099 V What is the p-value for this sample? (Report answer accurate to four decimal places.) p-value =(3) If you are evaluating two different sets of measurements 0.952(7) atm and 0.977(5) atm. Are they statistically equivalent?2. Suppose that we are testing Ho following observed values of the test (a) Zo= 2.45 (b) Zo= -1.53 = po versus H₁>po. Calculate the p-value for the statistic: (c) Zo= 2.15 (e) Zo= -0.35 (d) Zo = 1.95
- You wish to test the following claim (Ha) at a significance level of a Hd = H2 - H1 where the first data set represents a pre-test and the second data set represents a post-test. 0.05. For the context of this problem, %3D Prl :°H Ha:Hd 70 µa = 0 You believe the population of difference scores is normally distributed, but you do not know the standard deviation. You obtain pre-test and post-test samples for n deviation of the differences of sd = 14.4. 12 subjects. The average difference (post - pre) is d = 6.7 with a standard What is the critical value for this test? (Report answer accurate to three decimal places.) critical value = ± What is the test statistic for this sample? (Report answer accurate to three decimal places.) test statisticYou wish to test the following claim (H.) at a significance level of a = 0.002. H.:µ = 79.2 Ha:µ > 79.2 You believe the population is normally distributed, but you do not know the standard deviation. You obtain a sample of size n = 125 with mean M = 83.5 and a standard deviation of SD = 13.4. What is the test statistic for this sample? (Report answer accurate to three decimal places.) test statistic = What is the p-value for this sample? (Report answer accurate to four decimal places.) p-value =You wish to test Ho: Md = 0 versus Ha:μd 0 at a significance level of 0.10. For the context of this problem, d = μ₂ μ₁ where the first data set represents a pre-test and the second data set represents a post-test. You obtain pre-test and post-test samples for na 25 subjects. The average difference (post-pre) is d 7 with a standard deviation of the differences of sd = 11.6. = Round your answers to three decimal places, and round any interim calculations to four decimal places. What is the test statistic? =
- If Z is a standard normal variate, find the value of c for the following (i) P(0 c) = 0.85You wish to test the following claim (Ha) at a significance level of a = 0.02. H.:µ = 73.5 Ha:µ + 73.5 You believe the population is normally distributed, but you do not know the standard deviation. Your sample has: size: n = 61 mean: M = 76 standard deviation: SD = 18.1. What is the test statistic for this sample? (Round the answer accurate to 3 decimal places.) test statistic: t = What is the P-value for this sample? (Round the answer accurate to 3 decimal places.) P-value = The P-value is... less than (or equal to) a greater than a This leads to a decision to... reject the null accept the null fail to reject the null So, the final conclusion is that... O The data do not support the claim of the alternative hypothesis that the population mean is not equal to 73.5. The sample data support the claim of the alternative hypothesis that the population mean is not equal to 73.5.You wish to test the following claim (Ha) at a significance level of =0.01. Ho:μ1=μ2 Ha:μ1≠μ2You obtain the following two samples of data. Sample #1 Sample #2 102.7 70.5 101.6 113.4 79 96 76.5 89.9 79.8 101.6 109.9 71.6 77.6 83.5 75.4 87 106.7 82.1 94.7 88.1 91.1 91.6 91.4 99 96.4 70.5 92.5 111.4 103.2 93.4 80.2 107.6 113.4 101.6 71.6 106.7 88.4 82.5 84.8 94.4 76.5 70.5 100.2 91.9 100.7 67.8 89.6 97.8 89 90.5 67.8 106.7 74 78.1 93.1 91.9 85.8 105.2 81.4 91.4 80.6 87.9 106.9 109.4 102.4 60.4 104.9 89.5 72.4 84.9 84.5 97.4 77.1 72.9 92.7 100.3 94 81.1 79.2 104 84.2 83 86 89.5 64.9 93.6 84.9 87.1 105.8 90.2 66.6 94.9 89.5 74.9 92.3 88.3 83.8 64 68.1 91.9 80.7 83.8 85.6 99.1 93.1 89.1 90.2 94 64.9 71.8 105.8 96.9 84.2 75.3 86 56.9 112.9 84.5 96.9 What is the test statistic for this sample? (Report answer accurate to three decimal places.)test statistic = What is the p-value for this…