47. A researcher is comparing the effectiveness of two sets of instructions for assembling a child's bike.
The researcher measures how much time is needed for each father to assemble the bike. Is there a
significant difference in time for the two sets of instructions? Test with a = .05, two-tailed test.
1 Point/Blank.
Instruction 1: 8, 4, 8, 4, 6, 7
(•) IV:
(•) (In symbols) Ho:
(•) df₁ =
(•) dfTotal =
(•) M₁ =
(•) M2 =
(•) Sp² =
(*) t(df)obt =
Instruction 2: 14, 10, 6, 10
(•) DV:
(•) (In symbols) H₁:
(•) df2 =
(*) t(df)crit =
(•) ΣΧ12 =
(•) ΣΧ₁ =
(•) SS1 =
(*) ΣΧ22 =
(•) ΣΧ2 =
(•) SS2 =
(•) Standard Error (SE) =
(•) Decision re Ho:
(•) Conclusion (in plain English, no "statistical" jumble):