write NA if there's none) d. Critical Value e. Computed Statistics f. Decision and Conclusion
write NA if there's none) d. Critical Value e. Computed Statistics f. Decision and Conclusion
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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ANSWER LETTER D,E,F only
Transcribed Image Text:26-35. An admission test was administered to incoming freshmen for the STEM and ABM with 100
students randomly selected from each strand. The mean scores of the given samples were 90 and 85
and the variances of the test scores were 40 and 35, respectively. Is there a significant difference
between the two groups? Use the 95% confidence level.
a. Hypotheses
b. Alpha
c. Degrees of Freedom
(write NA if there's none)
d. Critical Value
e. Computed Statistics
f. Decision and Conclusion
Transcribed Image Text:a) The null and alternative hypothesis are
HỌ:H1= U2
H1: H₁ H₂
b) The significance level alpha (a) = 0.05
Assuming the population variance are equal
c) degree of freedom (df) = n1 + n2-1
= 100 + 100-2
= 198
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