A math teacher claims that she has developed a review course that increases the scores of students on the math portion of a college entrance exam. Based on data from the administrator of the exam, scores are normally distributed with u = 520. The teacher obtains a random sample of 2200 students, puts them through the review class, and finds that the mean math score of the 2200 students is 526 with a standard deviation of 114. Complete parts (a) through (d) below. ..... (a) State the null and alternative hypotheses. Ho: H1:

MATLAB: An Introduction with Applications
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A math teacher claims that she has developed a review course that increases the scores of students on the math portion of a college entrance
exam. Based on data from the administrator of the exam, scores are normally distributed with u = 520. The teacher obtains a random sample of
2200 students, puts them through the review class, and finds that the mean math score of the 2200 students is 526 with a standard deviation of
114. Complete parts (a) through (d) below.
.....
(a) State the null and alternative hypotheses.
Họ:
H1:
Transcribed Image Text:A math teacher claims that she has developed a review course that increases the scores of students on the math portion of a college entrance exam. Based on data from the administrator of the exam, scores are normally distributed with u = 520. The teacher obtains a random sample of 2200 students, puts them through the review class, and finds that the mean math score of the 2200 students is 526 with a standard deviation of 114. Complete parts (a) through (d) below. ..... (a) State the null and alternative hypotheses. Họ: H1:
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