Homework Help is Here – Start Your Trial Now!
Math
Statistics
PLEASE show in excel A different investigator conducts a second study to investigate whether there is a difference in mean PEF in children with chronic bronchitis as compared to those without.  Data on PEF are collected and summarized below.  Based on the data, is there statistical evidence of a lower mean PEF in children with chronic bronchitis as compared to those without?  Run the appropriate test at a=0.05.    Group Number of Children Mean PEF Std Dev PEF   Chronic Bronchitis 25 281 68   No Chronic Bronchitis 25 319 74           Step 1. Set up hypotheses and determine level of significance.   Ho:         H1:         alpha:                   Step 2. Select the appropriate test statistic and give its formula.

PLEASE show in excel A different investigator conducts a second study to investigate whether there is a difference in mean PEF in children with chronic bronchitis as compared to those without.  Data on PEF are collected and summarized below.  Based on the data, is there statistical evidence of a lower mean PEF in children with chronic bronchitis as compared to those without?  Run the appropriate test at a=0.05.    Group Number of Children Mean PEF Std Dev PEF   Chronic Bronchitis 25 281 68   No Chronic Bronchitis 25 319 74           Step 1. Set up hypotheses and determine level of significance.   Ho:         H1:         alpha:                   Step 2. Select the appropriate test statistic and give its formula.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
See similar textbooks
icon
Related questions
Topic Video
Question

*PLEASE show in excel

A different investigator conducts a second study to investigate whether there is a difference in mean PEF in children with chronic bronchitis as compared to those without.  Data on PEF are collected and summarized below.  Based on the data, is there statistical evidence of a lower mean PEF in children with chronic bronchitis as compared to those without?  Run the appropriate test at a=0.05. 

  Group Number of Children Mean PEF Std Dev PEF
  Chronic Bronchitis 25 281 68
  No Chronic Bronchitis 25 319 74
         
Step 1. Set up hypotheses and determine level of significance.  
Ho:        
H1:        
alpha:        
         
Step 2. Select the appropriate test statistic and give its formula.  
         
         
         
         
Step 3. Set up decision rule.        
         
         
Step 4. Compute the test statistic      
         
         
         
         
Step 5. Conclusion.      
         
         
         
 
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 5 steps with 5 images

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Knowledge Booster
Hypothesis Tests and Confidence Intervals for Means
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.
Recommended textbooks for you
Glencoe Algebra 1, Student Edition, 9780079039897…
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill
Holt Mcdougal Larson Pre-algebra: Student Edition…
Holt Mcdougal Larson Pre-algebra: Student Edition…
Algebra
ISBN:
9780547587776
Author:
HOLT MCDOUGAL
Publisher:
HOLT MCDOUGAL
SEE MORE TEXTBOOKS