Park officials make predictions of times to the next eruption of a particular geyser, and collect data for the errors (minutes) in those predictions. The display from technology available below results from using the prediction errors to test the claim that the mean prediction error is equal to zero. Comment on the accuracy of the predictions. Use a 0.05 significance level. Identify the null and alternative hypotheses, test statistic, P- value, and state the final conclusion that addresses the original claim. i Click the icon to view the display from technology. Assuming all conditions for conducting a hypothesis test are met, what are the null and alternative hypotheses? OA. Ho: μ=0 minutes H₁: μ#0 minutes OC. Ho: 0 minutes H₁: μ> 0 minutes Identify the test statistic. (Round to two decimal places as needed.) Identify the P-value. (Round to three decimal places as needed.) State the final conclusion that addresses the original claim. OB. Ho: 0 minutes H₁: μ<0 minutes O D. Ho: <0 minutes H₁: μ = 0 minutes Display from Technology Difference t (Observed value) |t| (Critical value) DF p-value (Two-tailed) alpha Print -0.499 - 7.44 1.986 94 <0.0001 0.05 Done
Park officials make predictions of times to the next eruption of a particular geyser, and collect data for the errors (minutes) in those predictions. The display from technology available below results from using the prediction errors to test the claim that the mean prediction error is equal to zero. Comment on the accuracy of the predictions. Use a 0.05 significance level. Identify the null and alternative hypotheses, test statistic, P- value, and state the final conclusion that addresses the original claim. i Click the icon to view the display from technology. Assuming all conditions for conducting a hypothesis test are met, what are the null and alternative hypotheses? OA. Ho: μ=0 minutes H₁: μ#0 minutes OC. Ho: 0 minutes H₁: μ> 0 minutes Identify the test statistic. (Round to two decimal places as needed.) Identify the P-value. (Round to three decimal places as needed.) State the final conclusion that addresses the original claim. OB. Ho: 0 minutes H₁: μ<0 minutes O D. Ho: <0 minutes H₁: μ = 0 minutes Display from Technology Difference t (Observed value) |t| (Critical value) DF p-value (Two-tailed) alpha Print -0.499 - 7.44 1.986 94 <0.0001 0.05 Done
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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urgntt
Transcribed Image Text:Park officials make predictions of times to the next eruption of a particular geyser, and collect data for the errors (minutes) in those predictions. The display from technology available below results from using the
prediction errors to test the claim that the mean prediction error is equal to zero. Comment on the accuracy of the predictions. Use a 0.05 significance level. Identify the null and alternative hypotheses, test statistic, P-
value, and state the final conclusion that addresses the original claim.
i Click the icon to view the display from technology.
Assuming all conditions for conducting a hypothesis test are met, what are the null and alternative hypotheses?
O A. Ho: 0 minutes
H₁: μ#0 minutes
O C. Ho: μ = 0 minutes
H₁: >0 minutes
Identify the test statistic.
(Round to two decimal places as needed.)
Identify the P-value.
(Round to three decimal places as needed.)
State the final conclusion that addresses the original claim.
Thara in
OB. Ho: 0 minutes
=
H₁: μ<0 minutes
O D. Ho: <0 minutes
H₁ μ0 minutes
videnan to namalude that the mann radiation arrar in anual to SAVA
nant There is
Display from Technology
Difference
t (Observed value)
It | (Critical value)
DF
p-value (Two-tailed)
alpha
Print
-0.499
-7.44
1.986
94
<0.0001
0.05
Done
Transcribed Image Text:State the final conclusion that addresses the original claim.
Ho. There is
evidence to conclude that the mean prediction error is equal to zero
▼correct. There is
in the mean prediction.
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