A sample mean, sample size, and sample standard deviation are provided below. Use the one-mean t-test to performthe required hypothesis test at the 1% significance level.x=29, s=7, n=32, Ho: H=30, Ha: <30The test statistic is t=(Round to two decimal places as needed.)

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MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Use technology to find the P-value for the hypothesis test described below. The claim is that for a smartphone carrier's data speeds at airports, the mean is μ=14.00Mbps. The sample size is n=25and the test statistic is t=−1.313.
Test the claim about the population mean, µ, at the given level of significance using the given sample statistics. Claim: u = 40; ¤ = 0.09; o = 3.34. Sample statistics: x = 38.2, n = 51 Identify the null and alternative hypotheses. Choose the correct answer below. O B. Ho: H#40 O A. Ho: H40 Ha: H = 40 O E. Ho: H= 40 Ha: µ>40 O F. Ho: H= 40 Ha: H# 40 Calculate the standardized test statistic. The standardized test statistic is - 3.85 (Round to two decimal places as needed.) Determine the critical value(s). Select the correct choice below and fill in the answer box to complete your choice. (Round to two decimal places as needed.) O A. The critical value is B. The critical values are t Determine the outcome and conclusion of the test. Choose the correct answer below. Click to select your answer(s).
Use technology to find the P-value for the hypothesis test described below.The claim is that for a smartphone carriers data speeds at airports, the mean is 12.00 Mbps. The sample size is n=21 and the test statistic is t=-1.149. Find the P-value. (Round to three decimal places as needed.)
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A sample mean, sample size, and population standard deviation are provided below. Use the one-mean z-test to perform the required hypothesis test at the 10% significance level. x=35, n=21, a=5, Ho: μ = 34, H₂: μ#34 The test statistic is z = (Round to two decimal places as needed.) The P-value is (Round to three decimal places as needed.) the null hypothesis. The data sufficient evidence to conclude that the mean is
We have provided a sample mean, sample size, and population standard deviation. In each case, use the one-mean z-test to perform the required hypothesis test at the 5% significance level. x = 23, n = 15, σ = 4, H0: μ = 22, Ha: μ<22
Use technology to find the P-value for the hypothesis test described below. The claim is that for a smartphone carrier's data speeds at airports, the mean is u= 16.00 Mbps. The sample size is n= 27 and the test statistic is t= 1.833. P-value = (Round to three decimal places as needed.)
Use technology to find the P-value for the hypothesis test described below. The claim is that for a smartphone carrier's data speeds at airports, the mean is µ = 14.00 Mbps. The sample size is n= 20 and the test statistic is t= -2.174. P-value = (Round to three decimal places as needed.)
Use technology to find the P-value for the hypothesis test described below. The claim is that for a smartphone carrier's data speeds at airports, the mean is u = 16.00 Mbps. The sample size is n = 19 and the test statistic is t= 1.798. P-value = (Round to three decimal places as needed.)
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 0.100.10 significance level for both parts. Treatment Placebo μ μ1 μ2 n 27 32 (overbar) x 2.35 2.65 s 0.92 0.57 Test the claim that the two samples are from populations with the same mean. What are the null and alternative hypotheses? The test statistic, t, is _______ The P-value is _______ State the conclusion for the test? Construct a confidence interval suitable for testing the claim that the two samples are from populations with the same mean______ <μ1 − μ2 < ______
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After clicking the Generate Results button, SALT will display the summary of the One Sample t test on the right side of the Inferential Statistics page. Enter the requested values below. Round your standard error to three decimal places and your test statistic to two decimal places. Standard Error: Test Statistic: Degrees of freedom: P-value: 0.493 66.366 53 53 less than 0.05 0.493 66.37 less than 0.05 Step 5 of 5 Since the P-value is less than our significance value of 0.05, this leads us to reject the null hypothesis. Based on the sample data, there ---Select--- convincing evidence that male Boston Marathon winners have an average finish time that is longer than the male Boston Wheelchair Marathon winners than what could have resulted from sampling error alone. In other words, Boston's male wheelchair athlete winners finish a marathon in ---Select--- time, on average, than male Boston marathon winners. Optional extension: In case you would like to investigate whether a similar…

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A sample mean, sample size, and sample standard deviation are provided below. Use the one-mean t-test to perform the required hypothesis test at the 1% significance level. x=29, s=7, n=32, Ho: μ=30, H₂ <30 The test statistic is t= (Round to two decimal places as needed.)