Mathematics, 20.04.2020 19:47 jackfrost5
A photoconductor film is manufactured at a nominal thickness of 25 mils. The product engineer wishes to increase the mean speed of the film, and believes that this can be achieved by reducing the thickness of the film to 20 mils. Eight samples of each film thickness are manufactured in a pilot production process, and the film speed (in microjoules per square inch) is measured. For the 25-mil film the sample data result is x1 = 1.17 and s1 = 0.11 , while for the 20-mil film, the data yield x2 = 1.04 and s2 = 0.09 . Note that an increase in film speed would lower the value of the observation in microjoules per square inch.
Do the data support the claim that reducing the film thickness increases the mean speed of the film? Use alpha=0.05
Answers: 1
Mathematics, 22.06.2019 03:10
If the alternate hypothesis of an experiment is βthe true mean height of the giraffes is more than 15 feetβ what is the null hypothesis?
Answers: 1
Mathematics, 22.06.2019 03:30
If using the method of completing the square to solve the quadratic equation x 2 + 16 x + 24 = 0 x 2 +16x+24=0, which number would have to be added to "complete the square"?
Answers: 1
Mathematics, 22.06.2019 04:30
Joe had 25 pencils he divided them into 5 pieces how many pieces does he have left
Answers: 1
A photoconductor film is manufactured at a nominal thickness of 25 mils. The product engineer wishes...
Mathematics, 24.10.2019 20:43
Mathematics, 24.10.2019 20:43
Social Studies, 24.10.2019 20:43
Mathematics, 24.10.2019 20:43
Mathematics, 24.10.2019 20:43
Mathematics, 24.10.2019 20:43
Social Studies, 24.10.2019 20:43
Computers and Technology, 24.10.2019 20:43
Geography, 24.10.2019 20:43
Mathematics, 24.10.2019 20:43
Biology, 24.10.2019 20:43
Mathematics, 24.10.2019 20:43