b. Find a 95 % confidence interval of the true proportion of the sample's driver error. 1-PropZInterval 1-PropZlnt Give the Error Bound. ( . ) X: n: P' ЕВР 3 C-Level: N= Calculate Conclusion: We are 95% Confident..... Hypothesis Test for Two Means NO L, fr t49 Go to Stats 79.A student at a four-year college claims that mean enrollment at four-year colleges is higher than at two-year colleges in the United States. Two surveys are conducted. Of the 35 two-year colleges surveyed, the mean enrollment was 5,068 with a standard deviation of 4,777. Of the 35 four-year colleges surveyed, the mean enrollment was 5,466 with a standard deviation of 8,191. EDIT CALC TESTS 2-SampTTest inpt: Data Stats 2-SampTTest a 0.05 Ho:H1 H2 t= Sx p= Ha:M, M2 x2= Sy Calculate Conclusion: Hypothesis Test for Two Proportions 99. A recent drug survey showed an increase in the use of drugs and alcohol among local high school seniors as compared to the national percent. Suppose that a survey of 100 local seniors and 100 national seniors is conducted to see if the proportion of drug and alcohol use is higher locally than nationally. Locally, 65 seniors reported using drugs or alcohol within the past month, while 60 national seniors reported using them. 1-PropZTest p1? p2 2-PropZTest х1: Ho: p1 = p2 Z= n1: P= x2: Ha: p1? p2 P'1= n2: P'2= prop Po < po > Po Calculate n1= n2= Conclusion
b. Find a 95 % confidence interval of the true proportion of the sample's driver error. 1-PropZInterval 1-PropZlnt Give the Error Bound. ( . ) X: n: P' ЕВР 3 C-Level: N= Calculate Conclusion: We are 95% Confident..... Hypothesis Test for Two Means NO L, fr t49 Go to Stats 79.A student at a four-year college claims that mean enrollment at four-year colleges is higher than at two-year colleges in the United States. Two surveys are conducted. Of the 35 two-year colleges surveyed, the mean enrollment was 5,068 with a standard deviation of 4,777. Of the 35 four-year colleges surveyed, the mean enrollment was 5,466 with a standard deviation of 8,191. EDIT CALC TESTS 2-SampTTest inpt: Data Stats 2-SampTTest a 0.05 Ho:H1 H2 t= Sx p= Ha:M, M2 x2= Sy Calculate Conclusion: Hypothesis Test for Two Proportions 99. A recent drug survey showed an increase in the use of drugs and alcohol among local high school seniors as compared to the national percent. Suppose that a survey of 100 local seniors and 100 national seniors is conducted to see if the proportion of drug and alcohol use is higher locally than nationally. Locally, 65 seniors reported using drugs or alcohol within the past month, while 60 national seniors reported using them. 1-PropZTest p1? p2 2-PropZTest х1: Ho: p1 = p2 Z= n1: P= x2: Ha: p1? p2 P'1= n2: P'2= prop Po < po > Po Calculate n1= n2= Conclusion
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
Can you please answer question 79 and write the data from the calculator in the chart and write the conclusion thank you
Transcribed Image Text:b. Find a 95 % confidence interval of the true proportion of the sample's driver error.
1-PropZInterval
1-PropZlnt
Give the Error Bound.
( . )
X:
n:
P'
ЕВР 3
C-Level:
N=
Calculate
Conclusion:
We are 95% Confident.....
Hypothesis Test for Two Means
NO L, fr t49
Go to Stats
79.A student at a four-year college claims that mean enrollment at four-year colleges is higher than
at two-year colleges in the United States. Two surveys are conducted. Of the 35 two-year colleges
surveyed, the mean enrollment was 5,068 with a standard deviation of 4,777. Of the 35 four-year
colleges surveyed, the mean enrollment was 5,466 with a standard deviation of 8,191.
EDIT CALC TESTS
2-SampTTest
inpt: Data Stats
2-SampTTest
a 0.05
Ho:H1 H2
t=
Sx
p=
Ha:M, M2
x2=
Sy
Calculate
Conclusion:
Hypothesis Test for Two Proportions
99. A recent drug survey showed an increase in the use of drugs and alcohol among local high
school seniors as compared to the national percent. Suppose that a survey of 100 local seniors and
100 national seniors is conducted to see if the proportion of drug and alcohol use is higher locally
than nationally. Locally, 65 seniors reported using drugs or alcohol within the past month, while 60
national seniors reported using them.
1-PropZTest
p1? p2
2-PropZTest
х1:
Ho: p1 = p2
Z=
n1:
P=
x2:
Ha: p1? p2
P'1=
n2:
P'2=
prop Po < po > Po
Calculate
n1=
n2=
Conclusion
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