Independent and dependent samples t test



1. T-test: 2 Independent Samples Assuming Unequal Variances

From the Class Survey Data File, using data from the 2 Independent Samplessheet —



First     Name!

     Last Name!

            Use the data set labeled with the first letter of your FIRSTname.  

AClick on the DATA TAB and then selectDATA ANAYLSIS

BSelectt-test: 2 Samples Assuming Unequal Variances


● Variable 1 Range: 1st Column of Data, including heading
● Variable 2 Range: 2d Column of Data, including heading

● Hypothesized Mean Difference: 0
click onLabels 

● Alpha : .10 

● Output Range:click on New Worksheet ply

2. T-Test: 2 Dependent Samples (Paired)Test

From the Class Survey Data File, using data from the Paired Data Sample sheet —

Use the data set labeled with the first letter of your LASTname.

AClick on the DATA TAB and then selectDATA ANAYLSIS

BSelect: t-Test: Paired Two Sample for Means

CInputs:Same as for above Test

3. See Assignment Submission Form

A & C State your Test Decision & Basis for the Decision: This isStep 5 of a hypothesis test and state
what values are you comparing to make your decision. Do not stateall the steps of a HT

B & D InterpretationAnalysis of Results: This is Step 6 of a HT – application of results to context.
 ● It is suggested you read the Survey Question (from the Survey Question sheet of the
Survey DataFile) for the response variable being tested.

 ● Whether you reject or fail to reject, the issue then becomes what is some plausible reason
orexplanation or interpretation for the outcome the test produced? 

● Responses should be concise, clear, and organized.

● You are not asked to state H0 and H1, but it will help you answer B & D. See next page.

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