A researcher has collected sales data ('000 rupees) of three companies from four regions and analyzed. Complete theETTTpartially filled ANOVA table and draw conclusion.Company1Company2Company3Region1263240Region2283545Region3303850Region4323039SVSSdfMSF-computed F (5%)Company437.17Region78.92Residual54.83Total570.92

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Answered: A researcher has collected sales data…

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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Average proportion of defectives in first 10 samples of size 150 each was observed to be 0.04. What are the 1 in 1000 control limits? If later on it is noticed that machine is only producing 2% detective items what are the revised control limits on percent--defectives?
can we use any other test for solution beside anova like t test ? During the days of coronavirus, people work most of the time from home. Many offices, schools, universities conduct their works, meetings, classes online. As a result of this new normal, it is assumed that on average, utility expenses per family (electricity, water, gas etc.) increases by 40% per month. For the verification of this assumption, four months data of percentage change of utility expenses of 10 families of similar size is given below and answer the following questions, the data is normally distributed: Percentage change of utility expenses April 33.65 37.09 29.72 33.42 38.14 34.9 37.35 38.66 22.92 34.19 May 37.19 36.61 40.35 28.19 35.19 37.43 38.03 42.99 30.22 38.8 June 37.13 36.2 43.6 35.31 33.66 28.51 37.67 20.68 38.04 38.43 July 38.84 32.17 34.9 30.17 29.63 27.14 32.17 33.46 36.72 39.64 Which…
State the null hypothesis if traffic department wants to test whether the modification reduces the number of traffic accidents in Central. Continue from part a, state the corresponding alternative hypothesis of the test. Continue from part a, calculate the test statistics of the test. Continue from part c, what is the critical value of the test if the significant level is 1%? According to the test, is it reasonable to conclude that the modification reduced the number of traffic accidents?
Imagine that you are managing a hotel with 120 rooms. In order to track the occupancy rates you use 6 weeks trailing period. You just received information that 102 out of 120 rooms were occupied on Wednesday (10/16/13). Using updated information on the occupancy rates and the occupancy rates for the last 6 Wednesdays in Table 1, calculate the rolling average for Wednesdays. Table 1 Date Occupancy O 64% O 57% 82% O 61% 09/04/13 09/11/13 09/18/13 42.5% 55% 60% 09/25/13 10/02/13 10/09/13 45% 62.5% 77.5%
Suppose the number of Covax and Pfizer vaccine bought by the Philippine government are normally distributed with 25% of the Covax vaccine are below 180,000 dozens and 30% of the Pfizer vaccine are below 250`,000 dozens. What are the mean and standard deviation
How do i Interpret an output from SPSS for One-way ANOVA What to do if significant
Having more than 1000 students in a year, assume that I choose a simple random samples of 30 final exams in my engineering economics class and compute the class average. The results show that 5% of the grades are over 2.1 and 5% are under 1.9. Using this information, determine (i) the population mean and (ii) the population standard deviation of the final exam. DO NOT USE EXCEL & PLEASE SHOW ALL CALCULATIONS AND STEPS.
use table 13-1 to find what annual percentage rate was charged on meghans loan
A car hire firm has two cars, which it hires out day by day. The number of demands for a car on each day is distributed as a Poisson distribution with mean 1.5. Calculate the proportion of days on which neither car is used and the proportion of days on which some demand is refused. (e ^- 1.5 = 0.2231.
2. Random variable G is known to be exponential (^) and is known to have >2. 500 samples of the random variable are averaged together producing an average (sample mean) of 0.2. a. Taking the worst-case variance, what is the confidence coefficient (probability) that µg lies between 0.15 and 0.25? b. Using the estimate of the mean to estimate the variance, what is the confidence coefficient (probability) that µG lies between 0.15 and 0.25? C. Using the worst-case variance, but assuming that the sample mean is Gaussian, what is the confidence coefficient (probability) that µG lies between 0.15 and 0.25?
A population of N=10 scores has a mean of 200 and SS = 160. Calculate: the sum of X sum of (X-mean) sum of X-mean sum of (X-mean)^2 mean^2 standard deviation variance

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