STAT Use Samples

A sample of people is asked their height, and then a measurement of their actual height is taken. Your null hypothesis is that self-reported and actual heights (DV is height measured in inches) do not differ.

Please explain if I am correct. If I am not correct, then please provide an explanation of the right test to use.

My assumption (yes, assumption because STATS confuses me ALLOT) is that because the NULL is comparing heights for the DV and you are asking for the difference that this would be a t-test for paired samples. The intent is to look for the change in score between the first individuals measurement and the actual measurement.

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...RO. So, the null hypothesis H0 is

mu_d=0 .....(meaning no difference)

where mu_d ...