3. The mean for the SATS for all high school students was 500, with a standard deviation of 1 75 students from Cerritos were tested and they produced a mean of 510. a. Who are the groups being compared/tested? What is the dependent variable? b. What are the null and research hypotheses? c. what are the numbers needed for the z statistic? d. What is the z statistic? e. For a two tailed test at .05 significance, the critical area is +/- 1.96. What decision do we make? e. For a two tailed test at .05 significance, the cutoff is +/- 1.96, what decision do we make? 122 MAR 77 S NJ
3. The mean for the SATS for all high school students was 500, with a standard deviation of 1 75 students from Cerritos were tested and they produced a mean of 510. a. Who are the groups being compared/tested? What is the dependent variable? b. What are the null and research hypotheses? c. what are the numbers needed for the z statistic? d. What is the z statistic? e. For a two tailed test at .05 significance, the critical area is +/- 1.96. What decision do we make? e. For a two tailed test at .05 significance, the cutoff is +/- 1.96, what decision do we make? 122 MAR 77 S NJ
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
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Transcribed Image Text:DI
ec
val
1,466
2
1
A
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2
3. The mean for the SATS for all high school students was 500, with a standard deviation of 100.
75 students from Cerritos were tested and they produced a mean of 510.
a. Who are the groups being compared/tested?
What is the dependent variable?
b. What are the null and research hypotheses?
c. what are the numbers needed for the z statistic?
--
F2
W
S
d. What is the z statistic?
e. For a two tailed test at .05 significance, the critical area is +/- 1.96. What decision do we
make?
e. For a two tailed test at .05 significance, the cutoff is +/- 1.96, what decision do we make?
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