Best writers. Best papers. Let professionals take care of your academic papers

Order a similar paper and get 15% discount on your first order with us
Use the following coupon "FIRST15"
ORDER NOW

mean PEF

Question

An investigator conducts a 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? Apply the appropriate test at alpha=0.05

1. Critical t value=

2. Computed t= 

3. Based on comparing the critical t value to the computed t value which of the following is (are) true?

A. There is statistical evidence of a lower mean PEF in children with chronic bronchitis as compared to those without.

B. There is not statistical evidence of a lower mean PEF in children with chronic bronchitis as compared to those without.

C. There is not enough date points to reach a conclusion.

D. Answers B and C.

 
Looking for a Similar Assignment? Order now and Get 10% Discount! Use Coupon Code "Newclient"