Mathematics, 26.11.2019 21:31 minecraftsam2018
Aphotoconductor film is manufactured at a nominal thicknessof 25 mils. the product engineer wishes to increase the mean speedof the film, and believes that this can be achieved by reducing thethickness of the film to 20 mils. eight samples of each filmthickness are manufactured in a pilot production process, and thefilm speed ( in microjoules per square inch) is measured. for the25-mil film the sample data result is image for a photoconductor film is manufactured at a nominal thicknessof 25 mils. the product engineer wishes to increas ,image for a photoconductor film is manufactured at a nominal thicknessof 25 mils. the product engineer wishes to increas, while for the 20-mil film, the data yieldimage for a photoconductor film is manufactured at a nominal thicknessof 25 mils. the product engineer wishes to increas, image for a photoconductor film is manufactured at a nominal thicknessof 25 mils. the product engineer wishes to increas. note that an increase in film spped would lowerthe value of the observation in microjoules per square inch.
a) do the data support the claim that reducing the filmthickness increases the mean speed of the film? use α=0.10 andassume that the two population of film speed is normallydistributed. what is the p-value for this test?
b) find a 90% confidence interval on the difference in the twomeans that can be used to test the claim in part a).
Answers: 2
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Aphotoconductor film is manufactured at a nominal thicknessof 25 mils. the product engineer wishes t...
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