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rubio66
rubio66
Level I

Conducting a one-way ANOVA to compare three means?

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Created: Oct 3, 2021 04:04 PM  |  Last Modified: Jun 8, 2023 5:39 PM (710 views)

I have three different data sets (median home values) for the years 2018,2012,2010. I randomly selected a subset of 50 values from each set. How do I compare the mean of these data subsets to each other using a one-way ANOVA? I start off by using the fit y by x tool, but I'm not sure what to put as the y and x to compare the means.

 

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2 REPLIES 2
txnelson
Super User txnelson
Super User

Re: Conducting a one-way ANOVA to compare three means?

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Created: Oct 3, 2021 04:23 PM  |  Last Modified: Oct 3, 2021 1:23 PM (703 views)  |  Posted in reply to message from rubio66 10-03-2021

Year is your X and Median Home Values I assume is your Y.

 

I am also assuming that you have concatenated the 3 subset data tables into one table.

Jim
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Mark_Bailey
Staff Mark_Bailey
Staff

Re: Conducting a one-way ANOVA to compare three means?

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Created: Oct 4, 2021 03:59 PM  |  Last Modified: Oct 4, 2021 12:59 PM (671 views)  |  Posted in reply to message from txnelson 10-03-2021

Also, Year may be numeric, but it must be set to the Nominal modelling type. Likewise, Income must be set to the Continuous modeling type.

 

Why use a subset of the data for the comparison?