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Owner: karentwhi
Created: Mar 24, 2017
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M5A2 Project Part4: Inferential Statistics Report
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I. Introduction

 

a. The purpose of my survey was to determine if the physician/patient relationship motivated patients to adhere to a weight loss plan. The population that I sampled from was a group of young adults from ages 19- 25 years old. The responses from the group of young adults made up my sample. The sample was obtained conveniently.

 

b. The four survey questions are the following:

 

1. What is your personal goal weight that would make you happy?

 

2. What is your current weight?

 

3. Has a Healthcare Provider recommended to you the need to lose weight to control an actual or potential medical problem? Yes/No?

 

4. How motivated are you to reach your New Year’s Weight loss? Please choose one of the following:

 

            (5) Very motivated

 

            (4) Motivated

 

            (3) Somewhat motivated

 

            (2) Unmotivated

 

            (0-1) Very Unmotivated

 

II. Looking at a Categorical-Variable

 

a. Has a Healthcare Provider recommended to you the need to lose weight to control an actual or potential medical problem? Yes/No?

Result 1: Pie Chart With Data for the Yes/No?   [Info]
Right click to copy


 

b. The results for a 95% confidence interval for the proportion of the population that would answer “yes” have a count of 27 out of 101 samples. The sample proportion is 0.2673, with a standard deviation of 0.044. The lower limit= 0.1810 and an upper limit= 0.3536.

 

III. Looking at a Numerical Variable

 

a. Based on the sample proportion of those participants who answered “yes”, below is a histogram and the summary statistics of the collected data:

Result 2: One Sample T with histogram   [Info]
One sample T confidence interval:
Group by: provider recommended weight loss
μ : Mean of goal weight

95% confidence interval results:
provider recommended weight lossSample MeanStd. Err.DFL. LimitU. Limit
No149.040543.161132473142.74041155.34067
Yes160.185197.667788326144.42382175.94655

One sample T confidence interval:
Group by: provider recommended weight loss
μ : Mean of current weight

95% confidence interval results:
provider recommended weight lossSample MeanStd. Err.DFL. LimitU. Limit
No171.466224.112207373163.2706179.66183
Yes212.259268.67021526194.43738230.08114

Result 3: Histogram part 4   [Info]
Right click to copy


 

b. Based on a 95% confidence interval, the goal weight has a mean of 152.02, with df=100, with a lower limit of 145.85 and an upper limit= 158.19. The current weight of the participants has a mean of 182.37, df= 100, with a lower limit of 174.06 and an upper limit of 190.68.

 

Based on my results, I would interpret that the participants weigh up to 30 lbs. more than their goal weight. Based on the data, 27% of participants were asked by Healthcare Providers to lose weight. Actually 95% of participants would adhere to a weight loss regimen asked of their provider if their relationship was in good standing. I used the t-interval, because I found it simpler to use via technology.

 

HTML link:
<A href="https://www.statcrunch.com/5.0/viewreport.php?reportid=67806">M5A2 Project Part4: Inferential Statistics Report</A>

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