find out p value for given data the test is one tailed test sample size 67 test statastics t = 1.956
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find out p value for given data
the test is one tailed test
test statastics t = 1.956
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- K A study was done on body temperatures of men and women. The results are shown in the table. Assume that the two samples are independent simple random samples selected from normally distributed populations, and do not assume that the population standard deviations are equal. Complete parts (a) and (b) below. C @ 2 S View an example x H a. Use a 0.05 significance level to test the claim that men have a higher mean body temperature than women. What are the null and alternative hypotheses? nd OA Ho: Hy #1₂ Hy: Hy P₂ The test statistic, t, is 0.77 (Round to two decimal places as needed.) The P-value is 0.228. (Round to three decimal places a needed.) State the conclusion for the test. # 3 A. Fail to reject the null hypothesis. There is not sufficient evidence to support the claim that men have a higher mean body temperature than women. OB. Reject the null hypothesis. There is sufficient evidence to support the claim that men have a higher mean body temperature than women. c. Fail to…K Find the critical value(s) and rejection region(s) for the indicated t-test, level of significance a, and sample size n. Two-tailed test, a=0.10, n=13 Click the icon to view the t-distribution table. The critical value(s) is/are. (Round to the nearest thousandth as needed. Use a comma to separate answers as needed.) t-Distribution Table d.f. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 *********** 45 50 60 70 80 90 100 500 1000 00 d.f. Level of confidence, c One tail, o Two tails, a Level of 0.95 0.98 0.99 0.90 0.05 0.025 0.05 3.078 6.314 12.706 0.80 0.10 0.20 0.10 1.886 2.920 0.01 0.005 0.02 0.01 31.821 63.657 4.303 6.965 9.925 1.638 2.353 3.182 4.541 5.841 1.533 2.132 2.776 3.747 4.604 1.476 2.015 2.571 3.365 4.032 1.440 1.943 2.447 3.143 3.707 1.415 1.895 2.365 2.998 3.499 7 1.397 1.860 2.306 2.896 3.355 8 1.383 1.833 2.262 2.821 3.250 9 1.372 1.812 2.228 2.764 3,169 10 1.356 1.782 1.333 1.740 1.330 1.734 2.539 2.861 19 1.363 1.796 2.201…K Find the critical value(s) and rejection region(s) for the indicated t-test, level of significance x, and sample size n. Two-tailed test, a=0.02, n = 13 Click the icon to view the t-distribution table. The critical value(s) is/are. (Round to the nearest thousandth as needed. Use a comma to separate answers as needed.) t-Distribution Table d.f. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 ========§¥882288 32 33 34 35 36 37 38 39 40 45 50 60 70 80 90 100 500 1000 d.f. Level of confidence, c One tail, m Two tails, a Level of 0.80 0.90 0.95 0.99 0.10 0.05 0.025 0.005 0.05 0.20 0.10 3.078 6.314 1.886 2.920 4.303 6.965 12.706 31.821 0.01 d.f. 63.657 1 9.925 2 3.182 4.541 1.638 2.353 5.841 3 1.533 2.132 2.776 3.747 4.604 4 1.476 2.015 2.571 3.365 4.032 5 1.440 1.943 2.447 3.143 3.707 6 1.415 1.895 2.365 2.998 3.499 7 1.397 1.860 2.306 2.896 3.355 8 1.383 1.833 2.262 2.821 3.250 9 1.372 1.812 2.228 2.764 3.169 10 1.363 1.796 2.201 2.718 1.356 1.782…
- Men Women H2 A study was done on body temperatures of men and women. The results are shown in the table. Assume that the two samples are independent simple random samples selected from normally distributed populations, and do not assume that the population standard deviations are equal. Complete parts (a) and (b) below. 11 59 97.38°F 0.62 F 97.69°F 0.78°F a. Use a 0.05 significance level to test the claim that men have a higher mean body temperature than women. What are the null and alternative hypotheses? O A. Ho: H1 = H2 O B. Ho: H1 #H2 O D. Ho: H12H2 3/1) O C. Ho: H1= H2 H: Hy>H2 Hq: Hy6Men Women H2 A study was done on body temperatures of men and women. The results are shown in the table. Assume that the two samples are independent simple random samples selected from normally distributed populations, and do not assume that the population standard deviations are equal. Complete parts (a) and (b) below. 11 59 97.27°F 0.72°F n 97.68°F 0.77°F a. Use a 0.01 significance level to test the claim that men have a higher mean body temperature than women. What are the null and alternative hypotheses? O A. Ho: H1 #H2 O B. Ho: H122 H;: H1 H2 The test statistic, t, is (Round to two decimal places as needed.)T-Distribution Intervals The fuel economy sticker on a new SUV’s window sticker indicates the owner can expect 16 mpg in city driving, 20 mpg highway driving and 18 mpg overall. Accurate gasoline records for one such vehicle were kept, and a random sample of mileage per tank for 50 fill-ups of gasoline was collected: 17.6 17.7 18.1 22.0 17.0 19.4 18.9 17.4 21.0 19.2 18.3 19.1 20.7 16.7 19.4 18.2 18.4 17.1 17.4 15.8 17.9 18.0 16.3 17.5 17.3 20.4 19.1 21.0 18.1 19.0 19.6 18.9 16.8 18.2 17.6 19.1 18.0 16.8 20.9 17.9 17.7 20.3 18.6 19.0 16.5 19.4 18.6 18.6 17.3 18.7 Can we consider the data to be normally distributed? Explain. Calculate the sample mean and standard deviation for this data. Round your answers to three decimal places. Calculate a 99% confidence…1Hint(s) Check Sty Work A test was conducted for wo overnight mail delivery services Two samples of identical delivenes were set up so that both delivery services were notified of the need for a delivery at the same time. The hours required to make each delivery follow. Do the data shown suggest a dfference in the median delivery times for the two services? Use a 0.05 tevel ef significance for the test. Use Table 1 of Appenda B. Chick on the datafile logo to reference the data DATA File Service Delivery 24.5 28.0 26.0 25.5 28.0 32.0 21.0 20.0 16.0 19.5 36.0 28.0 7. 25.0 29.0 21.0 22.0 24.0 23.5 10 26.0 29.5 310 What thestatistic (to 2 decmals)? Eter negative values as negative number, necessary 30.0 978 What is the p value (tu 4 decimal)Treatment Sham H2 Researchers conducted a study to determine whether magnets are effective in treating back pain. The results are shown in the table for the treatment (with magnets) group and the sham (or placebo) group. The results are a measure of reduction in back pain. Assume that the two samples are independent simple random samples selected from normally distributed populations, and do not assume that the population standard deviations are equal. Complete parts (a) and (b) below. 30 30 0.51 0.37 0.56 1.42 a. Use a 0.05 significance level to test the claim that those treated with magnets have a greater mean reduction in pain than those given a sham treatment. What are the null and alternative hypotheses? A. Ho: H1 = H2 H4: H1 # H2 B. Ho: H1 = H2 H1: H1> H2 C. Ho: Hy # H2 H1: H1Salary intormation regarding male and female employees of a large company is shown below. Sample mean Population std dev - a (in 1000 TL) Female 100 26 Male 150 18 Calculate the z test statistic and p-value for the above hypothesis test p-valueQuestion content area top Part 1 A study was done using a treatment group and a placebo group. The results are shown in the table. Assume that the two samples are independent simple random samples selected from normally distributed populations, and do not assume that the population standard deviations are equal. Complete parts (a) and (b) below. Use a 0.10 significance level for both parts. Treatment Placebo μ μ1 μ2 n 26 36 x 2.34 2.67 s 0.53 0.82 Question content area bottom Part 1 a. Test the claim that the two samples are from populations with the same mean. What are the null and alternative hypotheses? A. H0: μ1≠μ2 H1: μ1<μ2 B. H0: μ1=μ2 H1: μ1>μ2 C. H0: μ1<μ2 H1: μ1≥μ2 D. H0: μ1=μ2 H1: μ1≠μ2 Your answer is correct. Part 2 The test statistic, t, is negative 1.92−1.92. (Round to two decimal places as needed.) Part 3 The P-value is…SEE MORE QUESTIONSRecommended textbooks for youMATLAB: An Introduction with ApplicationsStatisticsISBN:9781119256830Author:Amos GilatPublisher:John Wiley & Sons IncProbability and Statistics for Engineering and th…StatisticsISBN:9781305251809Author:Jay L. 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