2. An experiment is done to investigate the impact of glass type and phosphor type on thebrightness of a television tube. The current (in microamps) required to achieve a givenbrightness level is the response variable measured. The information is presented in thetable below:Glass TypePhosphor Type1231281301291291311286286296291231261221236241226241236231In this experiment, state the hypotheses that are of interest.b. Using the analysis of variance, test the above hypotheses and draw conclusionswith a = 0.05.

Given data, Response variable : Brightness level of television tube

Answered: 2. An experiment is done to investigate…

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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Section 1.5 Question 18 Answer please
Test the claim Ho: Ps = 0 versus Ha: Ps # 0 that there is a significant correlation between purchased seed expenses and fertilizer and lime expenses in the farming business. The critical value is 0.738 %3D Seed Expenses Rank Fertilizer/lime Rank d. Expenses 480 490 1530 2060 490 480 266 402 741 642 380 470 879 858 360 560
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Question 5 Jade works at an insectarium and is conducting a study that investigates the possible effects of three different food types (type 1, 2 and 3) on adult size among three species of butterfly (species A, B and C). For each particular combination of food type and species, Jade randomly selected three butterflies from that species which were raised only on that food type until they reached adult size. For each butterfly, Jade recorded the adult wingspan (Y) in centimetres. Some sample statistics are displayed in the table below. Food Type Sum of Sample Values Sum of Squared Sample Values 1 Σ Υ = 38.7 Σ= Y = 168.93 2 Σ1Y2i = 44.1 3 ₁1Y3i = 52.2 A. Test whether the population variance of butterfly wingspan is the same for butterflies raised on food type 1 and for butterflies raised on food type 2. Clearly state your hypotheses and use a significance level of a = 5% Test whether the population mean wingspan of butterflies raised on food type 2 is greater than the population mean…

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