ANOVA stats test - help!

[katzg]

anyone know how to do these? i have the F value and the DF values but i'm not sure what i'm supposed to be looking up in the F table!

anyone please!

I only did a year of stats at university (so years ago!) but for anova, don't you need a numerator and a denominator df?

I seem to remember you look up the critical value or something like that.

anyway, this is a bump for you as I'm prob not much help!

One-sided? Two-sided? You look up the P value in the tables.

i have the DF for both the numerator and the denominator and from the table that gives me a value of 3.06 for F with a one sided 5% confidence limit.

but now what?

Follow the line to the beginning of the row where you found that value and see what P value you find there. Then interpret on whether it's

I have a stats book with tables to hand, what's your DF1 and DF2, would you like me to check that we get the same value?

DF1 is 4 and DF2 is 15 i think!

the F values i have calculated are (these are 3 independant studies)

data set 1
3.858

data set 2
1.951

data set 3
0.2020

each data set has 5 groups each with 4 values in.

OK, not sure I got this right. My table has data for DF1=4 and DF2=14 or 16, but not DF2=15. So there'll be some approximation. Your value of 3.858 is 3.11

Thanks KatzG, there I am avoiding my stats revison for my exam next Tuesday....

Mind you we do it all on computer SMSS now. Stupid, I found the stuff easier by hand.

thats what i thought that data 1 was sig but not 2 and 3 but when i do a student t-test on the individual data its data set 2 that has data that is sig! ahhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh

anova doesn't tell you what is sig just that there is a sig difference in the data?

should add thanks!