x1 = 1.13
x2 = 1.08
n1 = 8
s1 = 0.11
s2 = 0.09
n2 = 8
D.F = 8+8-2 = 14
Pooled standard deviation
Standard error =
= 0.05
Now we have to find test statistic to calculate P-value
t= (x1-x2) / standard error
t = (1.13-1.08) / 0.05
t = 1
P -value = 0.167
P-value is greater than 0.10
b)
95% C.I
t-critical at alpha 0.05 = 2.145
= ( x1-x2) +/- t-critical * standard error
= (1.13-1.08) +/- 2.145 * 0.05
= 0.05+/- 0.10725
= -0.0573 , 0.1573
10.2.8 Your answer is partially correct. Try again. A photoconductor film is manufactured at a no...
10.2.8 Your answer is partially correct. Try again. 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...
10.2.8 Your answer is partially correct. Try again. 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...
Your answer is partially correct. Try again. 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...
10.2.8 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 īj = 1.13 and si...
10.2.8 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 j = 1.15 and $i...
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 j = 1.14 and = 0.11,...
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 tj = 1.13 and Sj =...
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 F = 1.14 and si =...
Reserve Problems Chapter 10 Section 1 Problem 1 Consider the hypothesis test Ho: M1 My = 0 against H : H1 – 70 samples below: I 36 39 32 32 33 30 32 29 39 38 31 38 36 30 39 31 35 40 II 34 29 34 32 31 29 30 38 32 34 30 29 31 33 33 34 Variances: 6 = = 4.0, 02 = 0.3. Use a = 0.05. (a) Test the hypothesis and find the...
Consider the hypothesis test Ho: M1 - H2 = 0 against H : M -12 € 0 samples below: I 36 38 32 33 33 30 31 29 38 38 31 37 37 32 39 30 35 39 11 32 29 33 33 32 29 30 37 31 34 30 29 30 32 34 35 Variances: 0 = 3.7,02 -1.9. Use a = 0.05. (a) Test the hypothesis and find the P-value. Find the test statistic. Round your answers to...