We want to compare the daily stock return for Proctor & Gamble and PG&E Unilever. Using the provided data, assuming the samples are random sample and independent, at the .02 significance level can you claim that the monthly returns are different? 1. State the null and alternative hypothesis Hop=0 2. Find the test statistic PG: 1.6452141 UL: 1.377804 3. Find the number of degrees of freedom 2515 4. Find the critical values PG: 2.3278 UL: 2.3278 5. Find the confidence interval PG: (-0.015112854, 0.087961502) UL 6. Find the P-value PG: 0.1001 UL: 0.1684 7. What can you conclude?
We want to compare the daily stock return for Proctor & Gamble and PG&E Unilever. Using the provided data, assuming the samples are random sample and independent, at the .02 significance level can you claim that the monthly returns are different? 1. State the null and alternative hypothesis Hop=0 2. Find the test statistic PG: 1.6452141 UL: 1.377804 3. Find the number of degrees of freedom 2515 4. Find the critical values PG: 2.3278 UL: 2.3278 5. Find the confidence interval PG: (-0.015112854, 0.087961502) UL 6. Find the P-value PG: 0.1001 UL: 0.1684 7. What can you conclude?
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Answer# 7 based on answers from 1-6

Transcribed Image Text:We want to compare the daily stock return for Proctor & Gamble and PG&E Unilever. Using the
provided data, assuming the samples are random sample and independent, at the .02
significance level can you claim that the monthly returns are different?
1. State the null and alternative hypothesis
Hop=0
2. Find the test statistic
PG: 1.6452141
UL: 1.377804
3. Find the number of degrees of freedom
2515
4. Find the critical values
PG: 2.3278
UL: 2.3278
5. Find the confidence interval
PG: (-0.015112854, 0.087961502)
UL
6. Find the P-value
PG: 0.1001
UL: 0.1684
7. What can you conclude?
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