Question: Use software to find (a) T < -1.729 when d.f. = 19. (b) ITI > 2.179 when d.f. = 12. (c) -1.703 < T <

Use software to find
(a) T < -1.729 when d.f. = 19.
(b) ITI > 2.179 when d.f. = 12.
(c) -1.703 < T < 1.703 when d.f. = 27.
(d) -1.833 < T < 2.821 when d.f. = 9.

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