Urgent! PLEASE HELP TO SOLVE THESE QUERIES!

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Urgent! PLEASE HELP TO SOLVE THESE QUERIES!
Message posted by kish (via 64.0.99.137) on December 8, 2001 at 1:16 PM (ET)

Hello!

Please help to solve these queries in biomedical statistics:

>>>>>>>>>>>>>>>>>>>>>>>>>>

Que.1) A number of men were given the drug A with which, 40 % responded. Now instead of A, B drug is given and 60% responded.Best statistical tool to measure significance of the study is :
a. Chi Square test

b. Paired t test

c. Fischer's test

d. Student's T test

Que.2)Tool to measure significance of statistics for the cholesterol level of obese (n=20) and nonobese (n=15) females is :

a. Chi square test

b. Paired t test

c. Fisher test

d. Unpaired t test

e. Independent t test

READERS RESPOND:
(In chronological order. Most recent at the bottom.)

Re: Urgent! PLEASE HELP TO SOLVE THESE QUERIES!
Message posted by JG (via 128.8.23.28) on December 13, 2001 at 10:44 AM (ET)

1a and 2a . Actually, for 2 one should use a wilcoxon rank sum test for differences of two medians.

Re: Urgent! PLEASE HELP TO SOLVE THESE QUERIES!
Message posted by kish (via 216.142.233.73) on December 16, 2001 at 12:17 PM (ET)

hi JG!
In question 2 I think independent 't' test or unpaired test may be correct because there is only single observations & two samples are not of equal size!
What do you think?

Re: Urgent! PLEASE HELP TO SOLVE THESE QUERIES!
Message posted by JG (via 209.166.29.54) on December 17, 2001 at 3:12 PM (ET)

Try t-test difference of two means.

Re: Urgent! PLEASE HELP TO SOLVE THESE QUERIES!
Message posted by kish (via 216.142.233.73) on December 20, 2001 at 2:02 AM (ET)

Hi GJ

Please explain me detail about this question!
What is the best response here?

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