3/11This is a subjectiveS22mc210on, herice you have to write your answer in the Text-Field given below.22mc2Suppose a group of 12 observations has been sorted as follows8; 10; 11; 14; 15; 35; 53, 57; 72; 92, 103, 125Partition them into three bins by each of the following methods.(a) equal-frequency binning103/1 (b) equal-width binning80536-2023/11-2022mc21029-80536-2023/03Then apply smoothing by bin means11-2022mc21029-80536-2023

Equal frequency binning : Each bin consists equal number of data(values) Equal width binning :…

Answered: This is a subjective Su2mc210on, hence…

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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4
An advertising agency wants to know whether the no of column inches of classified ad carried by 2 competing newspapers is equal. The no of column inches appearing in both newspapers, respectively, on 20 randomly selected days follows: 663 & 725, 713 & 806, 626 & 620, 682 & 626, 639 & 595, 651 & 614, 769 & 744, 701 & 719, 723 & 680, 670 & 639, 665 & 602, 639 & 657, 694 & 624, 614 & 614, 651 & 583, 632 & 682, 739 & 657, 657 & 639 & 775 & 745. Use signed-rank test at 0.01 level of sig to test to test whether or not newspaper 1 & 2 carry equal amount of classified ad. What is the z value and decision?
A recent survey of 1030 U.S. adults selected at random showed that 627 consider the occupation of firefighter to have very great prestige. Estimate the probability (to the nearest hundredth) that a U.S. adult selected at random thinks the occupation of firefighter has very great prestige.
3. An integer is randomly chosen from the set 1, 2,..., 100. If this integer is divisible by 2 we let Y = 0, and if it is not divisible by 2 but is divisible by 3 then Y = 1. We let Y = 2 in all other cases. Find mean and variance of Y.
5. Say P (AIB) = 0.65, P (A) = 0.2 and P(B) = 0.3, find P(A or B).
A study with a factorial design always has: O Multiple dependent variables O Multiple independent variables O A single independent variable A single dependent variable
Two teachers had 30 of their students take a test. Teacher A found a mean of 78.6 with a SD-3.5 while teacher B found a mean of 77.3 and a SD-4.1. At the 97% level, test the opnion that class B is less than class A. 1. Is the test (A-Left Tailed, B-Right Tailed, C-2-Tailed) (separate with a comma if there are 2) 2. Critical Value 3. Test statistic 4. 3-decimal p-Value
were Classified 2. Pg, 36-7, 1.4.33. At the beginning of a Study individuals, 3% were Classified as heavy Smokers, 25.1. Smokers, and 72% were classified as as light In the 5 year study, it was determined. that the death rates of the heavy and light Smokers were 6 and 3 times that of non smokers. non- of Smokers, respectively. A randomly selected Participant died over the Syear period: Calculate the probability that the participant а nonsmorcer? was
A candy maker offers Child and Adult bags of jelly beans with different color mixes. The company claims that the Child mix has 30% red jelly beans, while the Adult mix contains 15% red jelly beans. Assume that the candy maker’s claim is true. Suppose we take a random sample of 50 jelly beans from the Child mixand a separate random sample of 100 jelly beans from the Adult mix. Let ?^ and ?^ be the sample ??proportions of red jelly beans from the Child and Adult mixes, respectively.a. What is the shape of the sampling distribution of ?^ − ?^ ? Why???b. Find the mean of the sampling distribution. Show your work.c. Find the standard deviation of the sampling distribution. Show your work.
A Geomatics exam taken by 12 students resulted in the following scores: 78, 65, 91, 86, 80, 89, 81, 77, 80, 94, 72, 79 Compute the z-score of the lowest test score (65). Note that this is a small sample (n<30), which needs to be considered in the computations. O 1.65 O-1.97 -2.05 2.05 1.97
2. Suppose we want to test whether Canadiansand American viewers have the same reaction to acertain documentary film. A random sample of 6Canadians and 7 American viewers werecollected. Each are asked to watch and then ratethe film, from 1 (most negatively), to 10 (mostpositively). The data are shown on theaccompanying table:Canadians 2 10 1 4 6 1Americans 4 7 7 5 5 3 8a. Explain why we cannot test for the equality of means. That is, we cannot test Ho: Average rating among Canadians is equal to average rating among Americans. b. Use Wilcoxon Rank Sum procedure to test whether Canadians and Americans tend to rate the film similarly. Include the test statistic. State your conclusion in the context of the problem. Use the 10% significance level. c. Use Normal distribution to approximate the p-value. Would you recommend using it to carry out the test instead of the table?

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