Sketch the sampling distribution and show the area corresponding to the P-value. b a -2 -1 O-3 -2 -1 1. C d. -2 - 1 1 2 O-3 -2 -1 1 2 3 (d) Based on your answers in parts (a) to (c), will you reject or fail to reject the null hypothesis? Are the data statistically significant at level a? O At the a = 0.05 level, we reject the null hypothesis and conclude the data are statistically significant. O At the a = 0.05 level, we fail to reject the null hypothesis and conclude the data are statistically significant. O At the a = 0.05 level, we reject the null hypothesis and conclude the data are not statistically significant. O At the a = 0.05 level, we fail to reject the null hypothesis and conclude the data are not statistically significant. (e) Interpret your conclusion in the context of the application. O Fail to reject the null hypothesis, there is sufficient evidence that there is a difference between mean response regarding preference for camping or fishing. O Reject the null hypothesis, there is insufficient evidence that there is a difference between mean response regarding preference for camping or fishing. O Fail to reject the null hypothesis, there is insufficient evidence that there is a difference between mean response regarding preference for camping or fishing. O Reject the null hypothesis, there is sufficient evidence that there is a difference between mean response regarding preference for camping or fishing.

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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A Michigan study concerning preference for outdoor activities used a questionnaire with a six-point Likert-type response in which 1 designated "not important" and 6 designated "extremely important." A random sample of n₁ = 44 adults were asked about fishing as an outdoor activity. The mean response was x₁ = 4.9. Another random sample of n₂ = 49 adults were asked about camping as an outdoor activity. For this group, the mean response was x₂ = 4.1. From previous studies, it is known that ?₁ = 1.5 and ?₂ = 2.0. Does this indicate a difference (either way) regarding preference for camping versus preference for fishing as an outdoor activity? Use a 5% level of significance.
Note: A Likert scale usually has to do with approval of or agreement with a statement in a questionnaire. For example, respondents are asked to indicate whether they "strongly agree," "agree," "disagree," or "strongly disagree" with the statement.

I need help with (c), sketching the distribution, (d) and (e)

Sketch the sampling distribution and show the area corresponding to the P-value.
b
a
-2
-1
O-3
-2
-1
1.
C
d.
-2
- 1
1
2
O-3
-2
-1
1
2
3
(d) Based on your answers in parts (a) to (c), will you reject or fail to reject the null hypothesis? Are the data statistically significant at level a?
O At the a = 0.05 level, we reject the null hypothesis and conclude the data are statistically significant.
O At the a = 0.05 level, we fail to reject the null hypothesis and conclude the data are statistically significant.
O At the a = 0.05 level, we reject the null hypothesis and conclude the data are not statistically significant.
O At the a = 0.05 level, we fail to reject the null hypothesis and conclude the data are not statistically significant.
(e) Interpret your conclusion in the context of the application.
O Fail to reject the null hypothesis, there is sufficient evidence that there is a difference between mean response regarding preference for camping or fishing.
O Reject the null hypothesis, there is insufficient evidence that there is a difference between mean response regarding preference for camping or fishing.
O Fail to reject the null hypothesis, there is insufficient evidence that there is a difference between mean response regarding preference for camping or fishing.
O Reject the null hypothesis, there is sufficient evidence that there is a difference between mean response regarding preference for camping or fishing.

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