Premium P X Gradebook x MywcC MYWCC BIS Worksheet Submissions - 14 X |вь Нуро /pid-2597646-dt-content-rid-20286129_1/courses/14519_2201HY/Hypothesis%20Testing%20%28T-Test%29.pdf 2. The Environmental Protection Agency (EPA) has established an air quality standard for lead to be 1.5 µg/m³. Listed below are measured amounts of lead in the air at Building 5 of the World Trade Center site on different days immediately after the Sept 11 attack. Assume that the population is normally distributed. Use a 1% significance level to test the claim that the sample is from a population with a mean lead amount greater than the EPA standard of 1.5 ug/m³. Sample: 5.40, 1.10, 0.42, 0.73, 0.48, 1.10 a) Identify and/or compute the following using your calculator. Round the sample mean and the sample standard deviation to 3 decimal places: n = Но b) Symbolically identify: Ho: НА" Circle the correct test for this problem: Right-tailed test Left-tailed test Two-tailed test c) Find the test statistic: (1-x) т- d) Sketch and shade the curve. Find the p-value. P - value = How does your p-value compare to a in part (a)? Cirele the correcct conclusion REJECT THE NULL HY POTHESIS DO NOT REJECT IHIE NULL IIY POTHESIS um P X Gradebook | MYWCC BI Worksheet Submissions - 14 X 2597646-dt-content-rid-20286129_1/courses/14519 2201HY/Hypothesis%20Testing%20%28T-Test%29.pdf Circle the correct test for this problem: Right-tailed test Left-tailed test Two-tailed test c) Find the test statistic: (x-4) T 3= d) Sketch and shade the curve. Find the p-value. P- value How does your p-value compare to a in part (a)? Circle the correct conclusion: REJECT THE NULL IYPOTHESIS DO NOT REJECT TIHE NULL HYPOTHESIS c) State your final conclusion in regards to this particular problem.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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Premium P X
Gradebook
x MywcC
MYWCC
BIS Worksheet Submissions - 14 X
|вь Нуро
/pid-2597646-dt-content-rid-20286129_1/courses/14519_2201HY/Hypothesis%20Testing%20%28T-Test%29.pdf
2. The Environmental Protection Agency (EPA) has established an air quality standard for lead to be
1.5 µg/m³. Listed below are measured amounts of lead in the air at Building 5 of the World Trade Center site
on different days immediately after the Sept 11 attack. Assume that the population is normally distributed. Use
a 1% significance level to test the claim that the sample is from a population with a mean lead amount
greater than the EPA standard of 1.5 ug/m³.
Sample: 5.40, 1.10,
0.42, 0.73,
0.48,
1.10
a) Identify and/or compute the following using your calculator. Round the sample mean and the sample
standard deviation to 3 decimal places: n =
Но
b) Symbolically identify: Ho:
НА"
Circle the correct test for this problem: Right-tailed test
Left-tailed test
Two-tailed test
c) Find the test statistic:
(1-x)
т-
d) Sketch and shade the curve. Find the p-value.
P - value =
How does your p-value compare to a in part (a)?
Cirele the correcct conclusion REJECT THE NULL HY POTHESIS
DO NOT REJECT IHIE NULL IIY POTHESIS
Transcribed Image Text:Premium P X Gradebook x MywcC MYWCC BIS Worksheet Submissions - 14 X |вь Нуро /pid-2597646-dt-content-rid-20286129_1/courses/14519_2201HY/Hypothesis%20Testing%20%28T-Test%29.pdf 2. The Environmental Protection Agency (EPA) has established an air quality standard for lead to be 1.5 µg/m³. Listed below are measured amounts of lead in the air at Building 5 of the World Trade Center site on different days immediately after the Sept 11 attack. Assume that the population is normally distributed. Use a 1% significance level to test the claim that the sample is from a population with a mean lead amount greater than the EPA standard of 1.5 ug/m³. Sample: 5.40, 1.10, 0.42, 0.73, 0.48, 1.10 a) Identify and/or compute the following using your calculator. Round the sample mean and the sample standard deviation to 3 decimal places: n = Но b) Symbolically identify: Ho: НА" Circle the correct test for this problem: Right-tailed test Left-tailed test Two-tailed test c) Find the test statistic: (1-x) т- d) Sketch and shade the curve. Find the p-value. P - value = How does your p-value compare to a in part (a)? Cirele the correcct conclusion REJECT THE NULL HY POTHESIS DO NOT REJECT IHIE NULL IIY POTHESIS
um P X
Gradebook
| MYWCC
BI Worksheet Submissions - 14 X
2597646-dt-content-rid-20286129_1/courses/14519 2201HY/Hypothesis%20Testing%20%28T-Test%29.pdf
Circle the correct test for this problem: Right-tailed test
Left-tailed test
Two-tailed test
c) Find the test statistic:
(x-4)
T 3=
d) Sketch and shade the curve. Find the p-value.
P- value
How does your p-value compare to a in part (a)?
Circle the correct conclusion:
REJECT THE NULL IYPOTHESIS
DO NOT REJECT TIHE NULL HYPOTHESIS
c) State your final conclusion in regards to this particular problem.
Transcribed Image Text:um P X Gradebook | MYWCC BI Worksheet Submissions - 14 X 2597646-dt-content-rid-20286129_1/courses/14519 2201HY/Hypothesis%20Testing%20%28T-Test%29.pdf Circle the correct test for this problem: Right-tailed test Left-tailed test Two-tailed test c) Find the test statistic: (x-4) T 3= d) Sketch and shade the curve. Find the p-value. P- value How does your p-value compare to a in part (a)? Circle the correct conclusion: REJECT THE NULL IYPOTHESIS DO NOT REJECT TIHE NULL HYPOTHESIS c) State your final conclusion in regards to this particular problem.
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