How can I pitch a marketing idea to a company without getting screwed?
I have ideas for several companies and I want to pitch it to them, but I don’t know how to go about it. I have no experience in marketing and I want to know how to approach it without loosing any credit for my idea. Any ideas?
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To test whether internet use increases depression score, we measure the depression sc?
To test whether internet use increases depression score, we measure the depression scores for a random sample of non-internet users, have them use the internet for a specified time, then measure their depression scores again.
(a) matched pairs t-test
(b) two-sample t-test
(c) ANOVA
(d) chi-squared test for independence
(e) inference for regression
which statistical test is the most appropriate?
Categories: Mathematics
Comments (2)
P G
December 23rd, 2010 at 6:50 am
What exactly is your question?
samuelkimote
December 24th, 2010 at 3:33 am
In this case, matched pairs t-test is used. This is like testing before and after. This is basically done either using SPSS by going to analyze–compare means–paired sample t-test and then selecting the two variables. In STATA this can be done by typing ttest before=after in the comand window.
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