Homework Help is Here – Start Your Trial Now!
Math
Statistics
(d) Find the critical value at the 0.05 level of significance. (Round to three or more decimal places.) 0 (e) Can we conclude that the mean processing time of computer 1 is less than the mean processing time of computer 2? O Yes O No Explanation Check X Ⓒ2022 McGraw 30

(d) Find the critical value at the 0.05 level of significance. (Round to three or more decimal places.) 0 (e) Can we conclude that the mean processing time of computer 1 is less than the mean processing time of computer 2? O Yes O No Explanation Check X Ⓒ2022 McGraw 30

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
See similar textbooks
icon
Related questions
Question

Need help with D and E 

70°F Cloudy The university data center has two main computers: computer 1 and computer 2. A new routine has recently been written for computer 1 to handle its tasks, while computer 2 is still using the preexisting routine. The center wants to determine if the processing time for computer 1's tasks is now less than that of computer 2. A random sample of 11 processing times from computer 1 showed a mean of 39 seconds with a standard deviation of 19 seconds, while a random sample of 10 processing times from computer 2 (chosen independently of those for computer 1) showed a mean of 57 seconds with a standard deviation of 20 seconds. Assume that the populations of processing times are normally distributed for each of the two computers, and that the variances are equal. Can we conclude, at the 0.05 level of significance, that μ₁, the mean processing time of computer 1, is less than μ2, the mean processing time of computer 2? Perform a one-tailed test. Then complete the parts below. Carry your intermediate computations to three or more decimal places and round your answers as specified in the table. (If necessary, consult a list of formulas.) HD ID 144Hz (a) State the null hypothesis Ho and the alternative hypothesis H₁. H₁ : H₁ = H₂ H₁:₁ <H₂ (b) Determine the type of test statistic to use. Degrees of freedom: 19 (c) Find the value of the test statistic. (Round to three or more decimal places.) -2.114 t Explanation Check O Search, 3 X a X S O<O P 0=0 OSO 020 5 <Q 믐 >O Español W ? Aa 2022 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center
Transcribed Image Text:70°F Cloudy The university data center has two main computers: computer 1 and computer 2. A new routine has recently been written for computer 1 to handle its tasks, while computer 2 is still using the preexisting routine. The center wants to determine if the processing time for computer 1's tasks is now less than that of computer 2. A random sample of 11 processing times from computer 1 showed a mean of 39 seconds with a standard deviation of 19 seconds, while a random sample of 10 processing times from computer 2 (chosen independently of those for computer 1) showed a mean of 57 seconds with a standard deviation of 20 seconds. Assume that the populations of processing times are normally distributed for each of the two computers, and that the variances are equal. Can we conclude, at the 0.05 level of significance, that μ₁, the mean processing time of computer 1, is less than μ2, the mean processing time of computer 2? Perform a one-tailed test. Then complete the parts below. Carry your intermediate computations to three or more decimal places and round your answers as specified in the table. (If necessary, consult a list of formulas.) HD ID 144Hz (a) State the null hypothesis Ho and the alternative hypothesis H₁. H₁ : H₁ = H₂ H₁:₁ <H₂ (b) Determine the type of test statistic to use. Degrees of freedom: 19 (c) Find the value of the test statistic. (Round to three or more decimal places.) -2.114 t Explanation Check O Search, 3 X a X S O<O P 0=0 OSO 020 5 <Q 믐 >O Español W ? Aa 2022 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center
F udy = Hypothesis test for the difference of population means: t test fo... complete the parts TEMONTT Langu-35 Carry your intermediate computations to three or more decimal places and round your answers as specified in the table. (If necessary, consult a list of formulas.) (a) State the null hypothesis Ho and the alternative hypothesis H₁. H₁ H₁ = H₂ H₁ H₁ <H₂ (b) Determine the type of test statistic to use. t Degrees of freedom: 19 (c) Find the value of the test statistic. (Round to three or more decimal places.) -2.114 (d) Find the critical value at the 0.05 level of significance. (Round to three or more decimal places.) 0 (e) Can we conclude that the mean processing time of computer 1 is less than the mean processing time of computer 2? Yes O No Explanation Check O Search e 3 |x □□ O 0=0 OSO X S 0<0 X Р S 믐 <D 1/5 2022 McGraw Hill LLC. All Rights Reserved. Terms of Use W
Transcribed Image Text:F udy = Hypothesis test for the difference of population means: t test fo... complete the parts TEMONTT Langu-35 Carry your intermediate computations to three or more decimal places and round your answers as specified in the table. (If necessary, consult a list of formulas.) (a) State the null hypothesis Ho and the alternative hypothesis H₁. H₁ H₁ = H₂ H₁ H₁ <H₂ (b) Determine the type of test statistic to use. t Degrees of freedom: 19 (c) Find the value of the test statistic. (Round to three or more decimal places.) -2.114 (d) Find the critical value at the 0.05 level of significance. (Round to three or more decimal places.) 0 (e) Can we conclude that the mean processing time of computer 1 is less than the mean processing time of computer 2? Yes O No Explanation Check O Search e 3 |x □□ O 0=0 OSO X S 0<0 X Р S 믐 <D 1/5 2022 McGraw Hill LLC. All Rights Reserved. Terms of Use W
Expert Solution
steps

Step by step

Solved in 3 steps

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman
SEE MORE TEXTBOOKS