c. 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.RejectO Fail to Reject 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:T-Distribution Tablex-4842N-45Round 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.a. Calculate the sample mean and standard deviation.2Round to three decimal places if necessaryt-b. Calculate the test statistic.46474345Round to three decimal places if necessary464749

Answered: Image /qna-images/answer/03942092-322c-4b5a-9263-d55da06e06bc.jpg

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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Please double check my answers.
Find the percentile for the data value. Data set: 20 20 70 40 20 50 90 90 110 30 20 90 60 10 90; Data value:70
A packaging company fills bags so that each bags has an average weight of 250 grams. The owners take a sample of bags and records the weight (grams) of each. They found the following information: Five-Number Summary (in grams) Min 213.97 Q1 236.34 Q2 244.1 Q3 255.47 Max 272.5 75% of bags weigh more than which amount?
Still need D , E and F
A manufacturer of exercise equipment wanted to collect data on the effectiveness of their equipment. A magazine article compared how long it would take men and women to burn 200 calories during light or heavy workouts on various kinds of exercise equipment. The results summarized in the accompanying table are the average times for a group of physically active young men and women whose performances were measured on a representative sample of exercise equipment. Assume normality of the population. Complete parts (a) through (c) below. Click the icon to view the data table. C a) On average, how many minutes longer than a man must a woman exercise at a light exertion rate in order to burn 200 calories? Find a 95% confidence interval. minutes (Round to one decimal place as needed.) b) Estimate the average number of minutes longer a woman must work out at a light exertion than at heavy exertion to get the same benefit. Find a 95% confidence interval. (₁) minutes (Round to one decimal place…
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.
2.
Your assignment is to survey 10 people (friends, family, peers, etc.) and collect data for the following dependent measure:
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
In California, we need more rain to sustain the health of our natural environment, argriculture, and economic. A group of statistics students in Oxnard College recorded the amount of rain during 2016-2017 school year, measuring the intensity by the inches of rain, and the results were: Inches of Rain 1 2 3 4 5 6 Frequency 1 2 8 2 1 1 The mean (¯xx¯) rain intensity: inches (Please show your answer to 1 decimal place.)The median rain intensity: inchesThe mode rain intensity: inches (Please separate your answers by ',' in the bimodal situation. Enter DNE if there is no mode or if there are more than two modes.)
Find the 5 number summary for the data shown 25 44 45 46 56 57 62 86 90 93 95 96 99 5 number summary:, , , , Use the Locator/Percentile method described in your book, not your calculator.
Estimate the average mark in an exam using the following table: Marks Total Percentage of Students (Type your final answer in decimal form.) Answer: 0-10 0- < 20 0-< 30 0- <400- <50 0.14 0.26 0.56 0.8 1

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