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How to determine the correct test

# How to determine the correct test - – 2 groups of 9 age...

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How to determine the appropriate Test

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Read the question Identify the variables Determine if they are  Nominal Ordinal Interval  Ratio
If the two variables are any  combination of  Nominal   Chi square test Ho:  independent, same, equal Ha:  related, different, unequal,

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When one variable is ratio Difference between 2 groups that are the whole  population Independent sample T test Ho:  µ\$1 = µ\$2  Ha:  µ\$1 ≠ µ\$2  Difference between 2 groups that are 2 of  more than 2 groups   for the whole population Post hoc of One-Way ANOVA Example:   Is there a difference in number of dollars  between 18 –  24 year olds  and 50 to 54 year olds

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Unformatted text preview: – 2 groups of 9 age groups Ho: µ\$1 = µ\$7 Ha: µ\$1 ≠ µ\$7 When one variable is ratio General difference between MORE than 2 groups • One-Way ANOVA • Example: Is there a difference in number of dollars based on age? Ho: µ\$1 = µ\$2 = µ\$3 = µ\$4 = µ\$5= µ\$6 = µ\$7 = µ\$8 = µ\$9 Ha: µ\$1 ≠ µ\$2 ≠ µ\$3 ≠ µ\$4 ≠ µ\$5≠ µ\$6 ≠ µ\$7 ≠ µ\$8 ≠ µ\$9 In all cases P from the test P ≤ .05 Do not accept Ho There is • A difference • A relationship In all cases P from the test P > .05 Accept Ho There is • No difference • Independence...
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How to determine the correct test - – 2 groups of 9 age...

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