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In the Glucose Group ONLY: Was there a statistical difference between blood glucose values at 30 minutes compared to 60 minutes? (Compete t-test using only data from the glucose group between 30 minutes and 60 minutes – this is a paired

In the Glucose Group ONLY: Was there a statistical difference between blood glucose values at 30 minutes compared to 60 minutes? (Compete t-test using only data from the glucose group between 30 minutes and 60 minutes – this is a paired

MATLAB: An Introduction with Applications
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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  • In the Glucose Group ONLY: Was there a statistical difference between blood glucose values at 30 minutes compared to 60 minutes? (Compete t-test using only data from the glucose group between 30 minutes and 60 minutes – this is a paired test; interpret results to answer question)

 

 

### Glucose Monitoring Study Data #### Table: Participant Glucose Levels | Participant | Group (1=Control; 2=Glucose) | Baseline Glucose (mg/dL) | 30 Minutes Glucose (mg/dL) | 60 Minutes Glucose (mg/dL) | |-------------|------------------------------|--------------------------|----------------------------|----------------------------| | 1 | 1 | 100 | 95 | 93 | | 2 | 1 | 104 | 102 | 98 | | 3 | 1 | 93 | 109 | 93 | | 4 | 1 | 131 | 123 | 90 | | 5 | 2 | 95 | 172 | 118 | | 6 | 2 | 124 | 132 | 102 | | 7 | 2 | 105 | 139 | 88 | | 8 | 2 | 112 | 143 | 108 | | 12 | 1 | 110 | 108 | 115 | | 13 | 1 | 85 | 88 | 92 | | 14 | 1 | 100 | 101 | 90 | | 15 | 1 | 88 | 82 | 84 | | 16 | 1 | 92 | 99 | 95 | | 17 | 2 | 108 | 155 | 121 | | 18 | 2 | 86 | 139 | 101 | | 19 | 2 | 90 | 126 | 99 | | 20 | 2 | 95 | 134 | 130 | #### Averages: - **Baseline Average:** 101.06 mg/dL - **30 Minutes Average:** 120.41 mg/dL - **60 Minutes Average:** 101 mg/dL This table details the glucose levels of 17 participants, tracked at baseline, 30 minutes, and 60
Transcribed Image Text:### Glucose Monitoring Study Data #### Table: Participant Glucose Levels | Participant | Group (1=Control; 2=Glucose) | Baseline Glucose (mg/dL) | 30 Minutes Glucose (mg/dL) | 60 Minutes Glucose (mg/dL) | |-------------|------------------------------|--------------------------|----------------------------|----------------------------| | 1 | 1 | 100 | 95 | 93 | | 2 | 1 | 104 | 102 | 98 | | 3 | 1 | 93 | 109 | 93 | | 4 | 1 | 131 | 123 | 90 | | 5 | 2 | 95 | 172 | 118 | | 6 | 2 | 124 | 132 | 102 | | 7 | 2 | 105 | 139 | 88 | | 8 | 2 | 112 | 143 | 108 | | 12 | 1 | 110 | 108 | 115 | | 13 | 1 | 85 | 88 | 92 | | 14 | 1 | 100 | 101 | 90 | | 15 | 1 | 88 | 82 | 84 | | 16 | 1 | 92 | 99 | 95 | | 17 | 2 | 108 | 155 | 121 | | 18 | 2 | 86 | 139 | 101 | | 19 | 2 | 90 | 126 | 99 | | 20 | 2 | 95 | 134 | 130 | #### Averages: - **Baseline Average:** 101.06 mg/dL - **30 Minutes Average:** 120.41 mg/dL - **60 Minutes Average:** 101 mg/dL This table details the glucose levels of 17 participants, tracked at baseline, 30 minutes, and 60
Expert Solution
Step 1

Null Hypothesis:

H0: There is no difference in the mean blood glucose values at 30 minutes compared to 60 minutes in Glucose group.

Alternative Hypothesis:

H1: There is a difference in the mean blood glucose values at 30 minutes compared to 60 minutes in Glucose group.

Given information:

Glucose Group:

30 minutes glucose 60 minutes glucose
172 118
132 102
139 88
143 108
155 121
139 101
126 99
134 130

 

Excel Procedure:

  1. Enter the data for 30 minutes glucose and 60 minutes glucose in Excel sheet.
  2. Go to Data
  3. Click on Data Analysis.
  4. Select ‘t test: Paired two sample for Means’ and click on ‘OK’
  5. Select the column of 30 minutes glucose under ‘Variable 1 Range’.
  6. Select the column of 60 minutes glucose under ‘Variable 2 Range’.
  7. Enter 0 under ‘Hypothesized Mean Difference’.
  8. Click on ‘OK’.

Excel Output:

Statistics homework question answer, step 1, image 1

From the output,

The p value corresponding with two tail is 0.0004

 

 

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