With the growth of internet service providers, a researcher decides to examine whether there is a relationship between cost of internet service per month (rounded to the nearest dollar) and degree of customer satisfaction (on a scale of 1 - 10 with a 1 being not at all satisfied and a 10 being extremely satisfied). The researcher only includes programs with comparable types of services. A sample of the data is provided below: dollarssatisfaction116188171015499561231952222510a. Determine what is the appropriate statistical procedure.b. Explicitly state the null hypothesis.c. Execute the proper calculations with the appropriate formula(s).d. Please state your conclusion based on the results you obtain. Present your results using APA format if appropriate. e. Briefly state why you used this particular statistical procedure.- Assume p = .05 unless otherwise indicated.

Hey there! Thank you for posting the question. Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for you. To get remaining sub-part solved please repost the complete question and mention the sub-parts to be solved.Here it is given that , with the growth of internet service providers, a researcher decides to examine whether there is a relationship between cost of internet service per month and degree of customer satisfaction. Here two variables are given named as , x : Cost of internet service per month and y : Degree of customer satisfaction. It is asked to find Determine what is the appropriate statistical procedure. Explicitly state the null hypothesis. Execute the proper calculations with the appropriate formula(s). It is asked to determine what is the appropriate statistical procedure. Explanation : Notice ,the correlation coefficient, r, tells us about the strength and direction of the linear relationship between x and y. However, the reliability of the linear model also depends on how many observed data points are in the given sample. Thus , we'll perform a hypothesis test for “significance of the correlation coefficient” here.It is asked to define the null hypotheses. Explanation : Here we are given two variables named as cost of internet service per month (x) and degree of customer satisfaction (y). Based on this information null hypotheses can be written as , There is not a significant linear relationship(correlation) between x and y in the population. Symbolically it can be written as , H0: ρ = 0. Note : Alternative hypotheses , Ha is exactly opposite of null hypotheses. It is asked to execute the proper calculations with the appropriate formula(s). That is , it is asked to find test statistic , t. The formula to find test statistic , t is as follows; Where, r is the value of correlation coefficient. n is number of data points. We can easily find correlation coefficient , r by using MS-EXCEL. Please refer the following steps. Enter x and y data set in excel. Enter this formula =CORREL(A2:A11 , B2:B11) and press Enter key to get the correlation coefficient. It will look like this, Now hit on enter to get the correlation coefficient (r). Thus , the correlation coefficient (r) = 0.076446. And n = 10. Now plug values in above test statistic (t) formula and find it. t = rn-21-r²=0.07644610-21-(0.076446)²=0.2168 Thus , the test statistic , t = 0.2168.

Answered: With the growth of internet service…

MATLAB: An Introduction with Applications

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ISBN:9781119256830

Author:Amos Gilat

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With the growth of internet service providers, a researcher decides to examine whether there is a relationship between cost of internet service per month (rounded to the nearest dollar) and degree of customer satisfaction (on a scale of 1 - 10 with a 1 being not at all satisfied and a 10 being extremely satisfied). The researcher only includes programs with comparable types of services. A sample of the data is provided below:

dollars	satisfaction
11	6
18	8
17	10
15	4
9	9
5	6
12	3
19	5
22	2
25	10

a. Determine what is the appropriate statistical procedure.

b. Explicitly state the null hypothesis.

c. Execute the proper calculations with the appropriate formula(s).

d. Please state your conclusion based on the results you obtain. Present your results using APA format if appropriate.

e. Briefly state why you used this particular statistical procedure.

- Assume p = .05 unless otherwise indicated.

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