Answer:
28
Step-by-step explanation:
Degrees of freedom is defined as the number of independent values or quantities which can be assigned to a statistical distribution.
#In a two sample study, the t-statistic degrees of freedom is calculated as
[tex](N_1+N_2)-2[/tex] #Where [tex]N_i[/tex] denotes the sample size of the [tex]i^t^h[/tex] sample.
[tex]DoF=(15+15)-2=28[/tex]
The t-statistic degrees of freedom is thus 28
