Find 50% confidence interval estimate of the mean exam score for students who received bilingual education!

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Find 50% confidence interval estimate of the mean exam score for students who received bilingual education!
5:39 1
O PENDING
Wednesday, Dec 08, 2021
MATH • STATISTICS
A psychologist argues that bilingual education
should be avoided because it leads to reduced
competence in English every student in New York
is required to take a standardized English
proficiency exam in the 12th grade the average
score on the exam is u/mean=120 o- 16. The
psychologist select a random sample of four
students who are enrolled in kindergarten and give
them a bilingual education from when they start
kindergarten until they graduate high school the
scores of each students on the English proficiency
exam are recorded below!
112
137
100
144
Conduct a one tailed hypothesis
a=0.01
?
Transcribed Image Text:5:39 1 O PENDING Wednesday, Dec 08, 2021 MATH • STATISTICS A psychologist argues that bilingual education should be avoided because it leads to reduced competence in English every student in New York is required to take a standardized English proficiency exam in the 12th grade the average score on the exam is u/mean=120 o- 16. The psychologist select a random sample of four students who are enrolled in kindergarten and give them a bilingual education from when they start kindergarten until they graduate high school the scores of each students on the English proficiency exam are recorded below! 112 137 100 144 Conduct a one tailed hypothesis a=0.01 ?
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