A renovation of the gift shop at Orlando Amway Center has six activities (in hours). In the following table, the estimates of a, m, and b times for each of the activities are listed:ActivitybaA111419B26314218181871320E161720F152023Based on the activity time estimates, the expected times for each of the activities are (round your responses to two decimal places):ActivityExpected TimeADEF Based on the activity time estimates, standard deviation for each of the activities is (enter your responses rounded to two decimal places):ActivityStandard DeviationABD

We know that the expected value, E(x)= ΣXi/n Activity Expected time A (11+14+19)/3 = 14.67 B…

Answered: A renovation of the gift shop at…

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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A survey taken in a hotel shows the number of cups of coffee consumed with each meal.Find the relative frequency corresponding to the meal number 5. Frequency 5 Meal Number 3 3 2 а. 50% b. 20% 30% d. 40%
Back up your data: In a survey backed up their computer's hard drive. The following frequency distribution presents the results. mmissioned by an electronics company, U.S. computer users wereasked how often they Response More than once per month Frequency 844 Once every 1-3 months 521 Once every 4-6 months 229 Once every 7-11 months Once per year or less Never
Given the weekly price and quantity (Qx and (Px) data for Andy’s ice cream over the past 12 weeks and the price of another ice-cream flavor (Po) as: Qx 84 82 85 83 82 84 87 81 82 79 82 78 Px 8.50 9.00 8.75 9.25 9.50 9.25 8.25 10.00 10.00 10.50 9.50 10.25 Po 5.25 6.00 6.00 6.50 6.25 6.25 5.25 7.00 7.25 7.25 6.75 7.25 a. Use excel regression to estimate the weekly demand for Andy’s ice-cream (attach the output of the regression estimate (Hint: Use regression in excel to find the estimated demand function: Enter the data in excel, click on Data Analysis, and use the regression command). b. Are the coefficients on the two prices statistically significantly different from zero at the 5% significance level? How do you know? c. What the R2? d. Explain what R2 means.
The table shows the number of students on the track team who run the hurdles and in relays. No student runs in both. Hurdles Relays 7th graders 8 12 8th graders 15 15 Total 23 27 Total 20 30 50 What is the joint relative frequency to the nearest hundredth of boys who run relays?
Still need D , E and F
Considering yourselves to be observational units, explain why the following are not variables: Average amount of hours worked in the past 24 hours among students in our class. Proportion of students in our class who are first-generation college students Have left-handers read more Harry Potter books, on average, compared to right-handers?
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Use the information attached to answer Question 2 and Question 3. The cumulative frequency below displays the amount of time (in minutes) taken to travel to work by employees at a shoefactory.Find the median amount of time (in minutes) for the above data.A. 40B. 45C. 50D. 55 Question 3 Find the interquartile range for the above data.A. 7B. 6.5 C. 10D. 13.5
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The department of health studied the number of patients who need liver transplantation. The following data are the Liver Transplantation Waiting List (LTWL), where y is the size (in number of patients) and x is the corresponding year: y 1216 1702 2716 3707 4706 6760 7631 7552 7675 8444 8390 8554 8795 * 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 Round your intermediate answers to four decimal places (e.g. 98.7654). (a) Fit the simple linear regression model using the method of least squares. Find the estimate of o?. Round your answer to the nearest integer (e.g. 9876). i (b) How does the LTWL size change in average for a year? Round your answer to the nearest integer (e.g. 9876). B = i (c) Estimate the number of patients in the list in 2017. ŷ = (d) Calculate the fitted value of y corresponding to x = 2014. Find the corresponding residual. Round your answer to the nearest integer (e.g. 9876). ŷ = i Round your answer to the nearest integer (e.g. 9876). e =
Use the t3 I calculator.
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