Step 3: Calculate the test statistic.Characteristics of the Sampling Distribution.Mean: μM1-M2 = (whole number)Standard error: sM1-M2 = (use 3 dec places) Test Statistic.tobt = (use 2 dec places) QUESTION 3Q21. Individual actions can play a large role in the overall health of our planet. A researcher interested in evaluating environmentally friendlybehaviors evaluated how often people recycle (per month) based on based on whether they have an overall optimistic or an overallpessimistic attitude toward eco-friendly behaviors. The results from this hypothetical study are given in the table below. Test the hypothesisthat the number of complaints changed after the new policy, using a two-tailed test, a = .05.PessimisticOptimistic3446.8.19636.6.5Pessimistic: n = 10, M = 2.9, SS = 40.9, s2 = 4.54Optimistic: n =10, M = 6.8, S = 25.6, s2 = 2.84LO00LO

Answered: Image /qna-images/answer/ef19ba9f-c43a-43f8-826f-3080911bd35c.jpg

Step 3: Calculate the test statistic. Characteristics of the Sampling Distribution. Mean: μM1-M2 = (whole number) Standard error: sM1-M2 = (use 3 dec places) Test Statistic. tobt = (use 2 dec places)

Step 3: Calculate the test statistic. Characteristics of the Sampling Distribution. Mean: μM1-M2 = (whole number) Standard error: sM1-M2 = (use 3 dec places) Test Statistic. tobt = (use 2 dec places)

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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Question

Step 3: Calculate the test statistic.

Characteristics of the Sampling Distribution.

Mean: μ_M1-M2 = (whole number)

Standard error: s_M1-M2 = (use 3 dec places)

Test Statistic.

t_obt = (use 2 dec places)

QUESTION 3
Q21. Individual actions can play a large role in the overall health of our planet. A researcher interested in evaluating environmentally friendly
behaviors evaluated how often people recycle (per month) based on based on whether they have an overall optimistic or an overall
pessimistic attitude toward eco-friendly behaviors. The results from this hypothetical study are given in the table below. Test the hypothesis
that the number of complaints changed after the new policy, using a two-tailed test, a = .05.
Pessimistic
Optimistic
3
4
4
6.
8.
1
9
6
3
6.
6.
5
Pessimistic: n = 10, M = 2.9, SS = 40.9, s2 = 4.54
Optimistic: n =
10, M = 6.8, S = 25.6, s2 = 2.84
LO
00
LO

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