The restaurant manager is testing the bartender's ability to pour 45 mL of spiritscorrectly into a mixed drink. The manager has the bartender pour water into 12 shotglasses to test their ability to pour the correct amount of spirits:1-Distribution Table48424546S-x=Round to three decimal places if necessaryNote: The data appears to be approximately normally distributed.Test the bartender's ability to pour 45 mL at the 10% level of significance.4447a. Calculate the sample mean and standard deviation.Round to three decimal places if necessary4345b. Calculate the test statistic.46474749 ctions: Onc. Determine the critical value(s) for the hypothesis test.Round to three decimal places if necessaryd. Conclude whether to reject the null hypothesis or not based on the test statistic.O RejectO Fail to RejectAccessibility: InvestigateSearchP

Hypothesized mean µ = 45 ml Sample size (n) = 12 Significance level, α = 0.10 For this study, we…

Answered: The restaurant manager is testing the…

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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In the US, 43.9% of all people have type O blood, 40.6% have type A blood, 10.8% have type B blood and 4.7% have type AB blood. A researcher wants to see if the distribution of blood type is different for millionaires. The table below shows the results of a random sample of 3488 millionaires. What can be concluded at the a = 0.05 significance level? a. Complete the table by filling in the expected frequencies. Round to the nearest whole number: Frequencies of Blood Type Outcome Frequency Expected Frequency 1521 A 1427 В 376 АВ 164
The accompanying data represent the miles per gallon of a random sample of cars with a three cylinder 1.0 liter engine
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q35
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Las Vegas has seen increased competition from Singapore and Macau for customers in the casino resort industry. One measurement of success is the average length of stay by visitors. The data in this file show the number of days a random sample of visitors stayed at each location. a. Using α = 0.05 to determine if there is a difference in the average length of stay by visitors for the three locations. Follow the steps as outlined in the exercises. b. If warranted, perform a multiple comparison test to determine which pairs are different using α = 0.05. c. Verify your results using Excel.
What provides a measure of the variance caused by random, unsystematic differences? a. the error term b. the F ratio c. MS d. SStotal
A new vaccination is being used in a laboratory experiment to investigate whether it is effective. There are 279 subjects in the study. Is there sufficient evidence to determine if vaccination and disease status are related? Vaccination Status Vaccinated Not Vaccinated Total Diseased Not Diseased Total 54 87 71 192 125 279 33 121 154 Step 4 of 8: Find the value of the test statistic. Round your answer to three decimal places. Copy Data
Betty, an employee of Shining Sun Daycare Centerread an article in Healthy Child Magazine sayingthat the average 3-year-old child is 37 in. tall.Betty works with 10 3-year-olds at Shining Sun,so later that week, she measured the height ofeach child who had just turned or was about toturn 3 years old. Here are the descriptive statisticsfor the sample: M = 35, s = 3.1. State the nondirectional hypothesis.2. Determine the critical t for a = .05.3. Calculate t. Show your calculations.4. Is the height of 3-year-olds in Shining SunDaycare Center significantly different fromthe height given in the magazine?
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