(b-1) Comparison of average commute miles for randomly chosen students at two community colleges: x⎯⎯1x¯1 = 23, s 1 = 5, n 1 = 22, x⎯⎯2x¯2 = 32, s 2 = 7, n 2 = 19, α = .05, two-tailed test. (Negative...

(b-1)Comparison of average commute miles for randomly chosen students at two community colleges:

x⎯⎯1x¯1 = 23,s
₁ = 5,n
₁ = 22, x⎯⎯2x¯2 = 32,s
₂ = 7,n
₂ = 19,α = .05, two-tailed test.

(Negative values should be indicated by a minus sign. Round down yourd.f. answer to the nearest whole number and other answers to 4 decimal places. Do not use "quick" rules for degrees of freedom.)