Question

Assume that the differences are normally distributed. Complete parts (a) through (d) below. Observation 1 2 3 4 5 6 7 8 Xi 45.3 45.8 46.6 44.1 44.4 46.4 46.9 44.9 Yi 47.6 46.6 48.7 49.2 45.3 48.8 49.3 45.4 (a) Determine di = Xi - Yi for each pair of data. Observation 1 2 3 4 5 6 7 8 di -2.3 -0.8 -2.1 -5.1 -0.9 -2.4 -2.4 -0.5 (b) Compute d and sd. d = -2.063 sd = 1.459 (c) Test if ?d < 0 at the ? = 0.05 level of significance. What are the correct null and alternative hypotheses? A. H0: ?d < 0, H1: ?d > 0 B. H0: ?d = 0, H1: ?d < 0 C. H0: ?d > 0, H1: ?d < 0 D. H0: ?d < 0, H1: ?d = 0 P-value =

          Assume that the differences are normally distributed. Complete parts (a) through (d) below.
Observation 1 2 3 4 5 6 7 8
Xi 45.3 45.8 46.6 44.1 44.4 46.4 46.9 44.9
Yi 47.6 46.6 48.7 49.2 45.3 48.8 49.3 45.4
(a) Determine di = Xi - Yi for each pair of data.
Observation 1 2 3 4 5 6 7 8
di -2.3 -0.8 -2.1 -5.1 -0.9 -2.4 -2.4 -0.5
(b) Compute d and sd.
d = -2.063
sd = 1.459
(c) Test if ?d < 0 at the ? = 0.05 level of significance.
What are the correct null and alternative hypotheses?
A. H0: ?d < 0, H1: ?d > 0
B. H0: ?d = 0, H1: ?d < 0
C. H0: ?d > 0, H1: ?d < 0
D. H0: ?d < 0, H1: ?d = 0
P-value =

Assume that the differences are normally distributed. Complete parts (a) through (d) below.
Observation 1 2 3 4 5 6 7 8
Xi 45.3 45.8 46.6 44.1 44.4 46.4 46.9 44.9
Yi 47.6 46.6 48.7 49.2 45.3 48.8 49.3 45.4
(a) Determine di = Xi - Yi for each pair of data.
Observation 1 2 3 4 5 6 7 8
di -2.3 -0.8 -2.1 -5.1 -0.9 -2.4 -2.4 -0.5
(b) Compute d and sd.
d = -2.063
sd = 1.459
(c) Test if ?d < 0 at the ? = 0.05 level of significance.
What are the correct null and alternative hypotheses?
A. H0: ?d < 0, H1: ?d > 0
B. H0: ?d = 0, H1: ?d < 0
C. H0: ?d > 0, H1: ?d < 0
D. H0: ?d < 0, H1: ?d = 0
P-value =

Added by Krista W.

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