(07.04 LC)Mellie is conducting a test on mold spores on bread. She uses 6 slices of bread to compare twostrains of mold. She applies one strain to the left side of the bread and one strain to the right side.She flips a coin to decide which strain goes on the right side of the bread. The mold spores thatappear on each side are counted and she records them in a table.Bread Number of Spots for Strain 1 Number of Spots for Strain 213019221173151541312569.684If Mellie is to perform an appropriate t-test to determine if there is a mean difference between thenumber of spots per piece of bread produced by the two strains, how many degrees of freedomshould she use?410125

The random variable is Bread. There are two dependent samples which are Number of Spots for Strain 1…

Answered: (07.04 LC) Mellie is conducting a test…

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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Xold = 78 M = 72 s = 15 Xnew= ? M = 75 s = 10 What is the new raw score?
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49
The quantity of dissolved oxygen is a measure of water pollution in lakes, rivers, and streams. Water samples were taken at four different locations in a river in an effort to determine if water pollution varied from location to location. Location I was 500 meters above an industrial plant water discharge point and near the shore. Location II was 200 meters above the discharge point and in midstream. Location III was 50 meters downstream from the discharge point and near the shore. Location IV was 200 meters downstream from the discharge point and in midstream. The following table shows the results. Lower dissolved oxygen readings mean more pollution. Because of the difficulty in getting midstream samples, ecology students collecting the data had fewer of these samples. Use a 5% level of significance. Do we reject or not reject the claim that the quantity of dissolved oxygen does not vary from one location to another? Location I Location II Location III Location IV 7.6 6.3 4.6…
Fined the general solation?
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