Test the claim about the population mean µ at the level of significance a. Assume the population is normally distributed.Claim: μ< 4915; α = 0.02 Sample statistics: x = 5017, s=5613, n = 54What are the null and alternative hypotheses?Ho: μ > 4915H₂: μ < 4915(Type integers or decimals. Do not round.)Find the standardized test statistic t.t=(Round to two decimal places as needed.) Use technology and a t-test to test the claim about the population mean μ at the given level of significance & using the given sample statistics. Assumethe population is normally distributed.Claim: μ> 73; x = 0.10 Sample statistics: x = 75.9, s = 2.8, n = 28What are the null and alternative hypotheses? Choose the correct answer below.A. Ho: μ ≥73HA: μ< 73C. Ho: μ#73HA: μ = 73B. Ho: μ≤73HA: μ>73D. Ho: μ = 73HA: μ#73

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Answered: Test the claim about the population…

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 and a t-test to test the claim about the population mean u at the given level of significance a using the given sample statistics. Assume the population is normally distributed. Claim: u>75; a = 0.01 Sample statistics: x= 78.1, s= 3.3, n= 23 What are the null and altenative hypotheses? Choose the correct answer below. B. Hoi uS75 O A. Ho: H=75 Hai u> 75 HAH+75 OC. Ho: u275 HH<75 O D. Ho: H# 75 H u= 75 What is the value of the standardized test statistic? The standardized test statistic is. (Round to two decimal places as needed.)
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 t-test to test the claim about the population mean at the given level of significance and using the sample statistics. Assume the population is normally distributed. Claim: mean < 50. Significance level: 0.10 Sample statistics: mean=49.1, standard deviation=3.4, n (sample size)=25 Identify H0 and HA. Test hypotheses, and make conclusion about the test.
population mean, i, at the given lével of significance using the given sample statistics. ples (fo Claim: u = 40; a = 0.06; ở = 3.75. Sample statistics: x = 38.5, n = 52 signme Identify the null and alternative hypotheses. Choose the correct answer below. radeboc O A. Ho:H= 40 Ha: H# 40 O B. Ho: H= 40 Hg:H 40 OF. Ho: H40 HaiH = 40 Accessibl Resource Ha:H = 40 Calculate the standardized test statistic. Tools for The standardized test statistic is. (Round to two decimal places as needed.) Multimed 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 Click to select your answer(s). МacВook Air 888 @ %23 2$ & 2 3 5 6 7 Q E Y P A G K C V M on command com 00 つ R
Listed below are the lead concentrations in mu g/g measured in different traditional medicines. Use a 0.05 significance level to test the claim that the mean lead concentration for all such medicines is less than 18 mu g/g. Assume that the sample is a simple random sample. a. Determine the test statistic. (Round to two decimal places as needed.) b. Determine the P-value. (Round to three decimal places as needed.)
Assume that a simple random sample has been selected from a normally distributed population. State the final conclusion.Test the claim that the mean lifetime of car engines of a particular type is greater than 220,000 miles. Sample data are summarized as n = 23, and s = 11,500 miles. Use a significance level of α = 0.01.H0: μ = 220,000 HA: μ > 220,000State your conclusion about H0. Choose the best answer below: A. Reject HA B. Do not reject H0 C. Do not reject HA D. Reject H0 E. Cannot draw a conclusion for information given
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Use technology to help you test the claim about the population mean, µ, at the given level of significance, a, using the given sample statistics. Assume the population is normally distributed. Claim: µs 1210; a = 0.07; o=201.42. Sample statistics: x = 1231.33, n= 300 Identify the null and alternative hypotheses. Choose the correct answer below. O A. Ho: µs 1210 H3: µ> 1210 O B. Ho: µs 1231.33 Ha p> 1231.33 O D. H μ2 1210 O C. Ho: µ> 1231.33 Ha: us 1231.33 H3: µ 1210 Click to select your answer and then click Check Answer.
Test the claim about the population mean, µ, at the given level of significance using the given sample statistics. Claim: u#6000; a = 0.05; o = 331. Sample statistics: x = 6200, n = 47 Identify the null and alternative hypotheses. Choose the correct answer below. O A. Ho: H#6000 B. Ho: µs 6000 Hai H2 6000 Ha: H# 6000 O C. Ho: H26000 O D. Ho: H = 6000 %3D Ha: H6000 Ha: u +6000 O E. Ho: H#6000 O F. Ho: µ#6000 Ha:H= 6000 Ha: H5 6000
Assume the samples are random and independent, the populations are nomally distributed, and the population variances are equal. The table available below shows the prices (in dollars) for a sample of automobile batteries. The prices are classified according to battery type. At a = 0.10, is there enough evidence conclude that at least one mean battery price is different from the others? Complete parts (a) through (e) below. E Click the icon to view the battery cost data. (a) Let u1. P2. H3 represent the mean prices for the group size 35, 65, and 24/24F respectively. Identify the claim and state Ho and H. H Cost of batteries by type The claim is the V hypothesis. Group size 35 Group size 65 Group size 24/24F 101 111 121 124 D 146 173 182 278 124 140 141 89 (b) Find the critical value, Fo, and identify the rejection region. 90 79 84 The rejection region is F Fo, where Fo = (Round to two decimal places as needed.) (c) Find the test statistic F. Print Done F= (Round to two decimal places as…
Use technology to help you test the claim about the population mean, μ, at the given level of significance, α, using the given sample statistics. Assume the population is normally distributed. Claim: μ>1230; α=0.09; σ=203.58.Sample statistics: x=1255.28, n=275 A. Calculate the standardized statistic B. Determine P value C. Determine the outcome and conclusion of the test Please show me how you solved the problem.
Use technology to help you test the claim about the population mean, μ, at the given level of significance, α, using the given sample statistics. Assume the population is normally distributed. Claim: μ>1300; α=0.08; σ=211.56. Sample statistics: x=1326.31, n=250 Identify the null and alternative hypotheses. Choose the correct answer below. A. H0: μ≥1326.31 Ha: μ<1326.31 B. H0: μ≥1300 Ha: μ<1300 C. H0: μ≤1326.31 Ha: μ>1326.31 D. H0: μ>1326.31 Ha: μ≤1326.31 E. H0: μ≤1300 Ha: μ>1300 F. H0: μ>1300 Ha: μ≤1300 Calculate the standardized test statistic. The standardized test statistic is enter your response here. (Round to two decimal places as needed.) Determine the P-value. P=enter your response here (Round to three decimal places as needed.) Determine the outcome and conclusion of the test. ▼ Reject Fail to reject H0. At the 8%…

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