You are using a hypothesis test to make sure a machine will not underfill or overfill14 oz boxes of cereal. Based on a random sample of boxes you collected, the nullhypothesis is rejected and the machine is shut down for inspection. The thoroughinspection reveals there is nothing wrong with the filling machine. From a statisticalpoint of view:Practice Activityhttps://mylabs.px.pearsoned.com/Pegasus/Modules/AssessmentTool/PresentaticintAssetID=4000002448047076&mode=clientFeedback&AssetLinklD=40000003nlinkID=0&from=sp&DRTID=D0&CreateModulelD=0&madd%3D&lsModule=&dsidYou made a correct decision.You made a Type II error.You made a Type I error.You made, both Type I and Type II errors. A student wants to estimate the proportion of foreign students at his university. In asample of 1624 student from his university, the proportion that are foreign studentsis 0.072. Determine the 90% confidence interval for the true proportion of foreignstudents at said university.Practice Activityhttps://mylabs.px.pearsoned.com/Pegasus/Modules/AssessmentTool/Presentation/frmSintAssetID=4000002448047076&mode%3DclientFeedback&AssetLinklD=40000003833668nlinkID=0&from3sp&DRTID=0&CreateModulelD=0&madd=&lsModule=D&dsid%3D&VieFrom 0.0656 to 0.0784From 0.0614 to 0.0826O From 0.0638 to 0.0802O From 0.0516 to 0.0924

The random variable foreign students follow normal distribution. We have to construct 90% confidence…

Answered: You are using a hypothesis test to make…

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.3: Measures Of Spread

Problem 1GP

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According to a recent study annual per capita consumption of milk in the United States is 21.5 gallons. Being from the Midwest, you believe milk consumption is higher there and wish to test your hypothesis. A sample of 14 individuals from the Midwestern town of Webster City was selected and then each person's milk consumption was entered into the Microsoft Excel Online file below. Use the data to set up your spreadsheet and test your hypothesis. Develop a hypothesis test that can be used to determine whether the mean annual consumption in Webster City is higher than the national mean. H0: ? _________> 21.5≥ 21.5= 21.5≤ 21.5< 21.5≠ 21.5 Ha: ? _________> 21.5≥ 21.5= 21.5≤ 21.5< 21.5≠ 21.5 What is a point estimate of the difference between mean annual consumption in Webster City and the national mean? (2 decimals) At ? = 0.01, test for a significant difference by completing the following. Calculate the value of the test statistic (2 decimals). The p-value is (4…
PLEASE answer all questions/Steps. A through E
Please help with part b. A data set includes data from student evaluations of courses. The summary statistics are n=90, x=3.92, s=0.55. Use a 0.01 significance level to test the claim that the population of student course evaluations has a mean equal to 4.00. Assume that a simple random sample has been selected. Identify the null and alternative hypotheses, test statistic, P-value, and state the final conclusion that addresses the original claim. What are the null and alternative hypotheses? H0: μ=4.00 H1: μ≠4.00 a. Determine the test statistic. negative 1.38−1.38 (Round to two decimal places as needed.) Determine the P-value. 0.1710.171 (Round to three decimal places as needed.) b. State the final conclusion that addresses the original claim. (Fail to reject or reject)? H0. There is (sufficient or is not sufficient)? evidence to conclude that the mean of the population of student course evaluations is equal to 4.00 (is or is not)?…
A researcher hypothesizes that different colors of cars result in different average speeds. To test this claim, she took a random sample of 20 people who own 4 different colors of colors of cars (n = 20, N = 80, G = 4), and she then tracks their average speed on the highway for a week of driving. The following ANOVA table has some of her results. Please help her answer her research questions by completing the following ANOVA table below and answering the follow-up questions. Be sure to label your answers with the appropriate letter and show all your work! Source Sums of Squares df Mean Square F Effect (between) Error (within) 100.90 ------ Total 170.10 ------- ------ a) What is the Sums of Squares (SS) between (effect)? b) What are the Mean Square (MS) between (effect) and the MS within (error)? c) What are the degrees of freedom (df) between, the df within, and the df total? d) What is the overall F-statistic? e) Based on the…
Cadmium, a heavy metal, is toxic to animals. Mushrooms, however, are able to absorb and accumulate cadmium at high concentrations. Some governments have a safety limit for cadmium in dry vegetables at 0.56 part per million (ppm). A research team measured the cadmium levels in a random sample of edible mushrooms, where the hypothesis test is to decide whether the mean cadmium level in the sample is greater than the governments' safety limit. The null and alternative hypotheses are H0: μ=0.56 ppm, Ha: μ>0.56 ppm. Complete parts (a) through (e) below. d. Now suppose that the results of carrying out the hypothesis test lead to nonrejection of the null hypothesis. Classify that conclusion by error type or as a correct decision if in fact the mean cadmium level in that type of mushrooms equals the safety limit of 0.56 ppm. Choose the correct answer below. A. type I error B. correct decision because a true null hypothesis is not rejected C. correct decision because…
A college is trying to determine if there is a significant difference in the mean GMAT score of students from different undergraduate backgrounds who apply to the MBA program. The accompanying GMAT Scores data comes from a sample of students. What conclusion can be reached using ANOVA? Click the icon to view the GMAT Scores data. Determine the null hypothesis and the alternative hypothesis. Ho H₁: GMAT Scores Data GMAT Scores by Undergraduate Major Business [* *⠀⠀ * * * * * * * * * Liberal Arts Sciences O 564 604 576 602 582 579 573 508 568 605 574 588 577 598 502 598 584 607 587 508 607 583 618 592 588 - X
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