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10 9 What are the hypotheses for this test? Ho: P1 P₂Pa Pa = 0.25 HA: one of these proportions is different than assumed O Ho: year in school and grades are independent HA: year in school and grades are dependent Ho: all years of school are homogeneous in their statistics grades HA: all years of school are heterogeneous in their statistics grades What is the critical value for this test? Type your answer.... 11 If you were to make confidence interval(s) for this test, what would the confidence level be? Round to 4 decimal places.

10 9 What are the hypotheses for this test? Ho: P1 P₂Pa Pa = 0.25 HA: one of these proportions is different than assumed O Ho: year in school and grades are independent HA: year in school and grades are dependent Ho: all years of school are homogeneous in their statistics grades HA: all years of school are heterogeneous in their statistics grades What is the critical value for this test? Type your answer.... 11 If you were to make confidence interval(s) for this test, what would the confidence level be? Round to 4 decimal places.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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10 What are the hypotheses for this test? Ho: PIP2 P3 P4 = 0.25 HA: One of these proportions is different than assumed O Ho: year in school and grades are independent HA: year in school and grades are dependent Ho: all years of school are homogeneous in their statistics grades HA: all years of school are heterogeneous in their statistics grades What is the critical value for this test? Type your answer... 11 If you were to make confidence interval(s) for this test, what would the confidence level be? Round to 4 decimal places. Type your answer... ☆
Transcribed Image Text:10 What are the hypotheses for this test? Ho: PIP2 P3 P4 = 0.25 HA: One of these proportions is different than assumed O Ho: year in school and grades are independent HA: year in school and grades are dependent Ho: all years of school are homogeneous in their statistics grades HA: all years of school are heterogeneous in their statistics grades What is the critical value for this test? Type your answer... 11 If you were to make confidence interval(s) for this test, what would the confidence level be? Round to 4 decimal places. Type your answer... ☆
Use the following JMP output: A statistics professor's class is composed of all levels of college student. The percentage of A's, B's, and C's by year in college was collected for Exam 2. At the 5% significance level, determine if there is a difference in the percentage of A's, B's and C's for freshmen, sophomores, juniors and seniors, Frequencies Freshmen Junior Senior Sophomore Level Freshmen Junior Senior Sophomore Total N Missing 4 Levels Count Prob 90.16667 4 0.08333 12 0.25000 24 050000 48 1.00000 0 Test Probabilities Level Freshmen Junior Senior Estim Prob Hypoth Prob 0.25 0.16667 0.08333 0.25000 0.50000 0.25 0.25 0.25 Sophomore Test ChiSquare Likelihood Ratio 17.9947 Pearson 18.6667 Method: Fix hypothesized values, rescale omitted DF Prob-Chisq 3 3 0.0004 6.0003
Transcribed Image Text:Use the following JMP output: A statistics professor's class is composed of all levels of college student. The percentage of A's, B's, and C's by year in college was collected for Exam 2. At the 5% significance level, determine if there is a difference in the percentage of A's, B's and C's for freshmen, sophomores, juniors and seniors, Frequencies Freshmen Junior Senior Sophomore Level Freshmen Junior Senior Sophomore Total N Missing 4 Levels Count Prob 90.16667 4 0.08333 12 0.25000 24 050000 48 1.00000 0 Test Probabilities Level Freshmen Junior Senior Estim Prob Hypoth Prob 0.25 0.16667 0.08333 0.25000 0.50000 0.25 0.25 0.25 Sophomore Test ChiSquare Likelihood Ratio 17.9947 Pearson 18.6667 Method: Fix hypothesized values, rescale omitted DF Prob-Chisq 3 3 0.0004 6.0003
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