9 When games were sampled throughout a season it was found t

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When games were sampled throughout a season, it was found that the home team won 134 of 176 baseball games, and the home team won?

49 of 71 hockey games. The result from testing the claim of equal proportions are shown on the right. Does there appear to be a significant difference between the proportions of home wins? What do you conclude about the home field advantage?

2-proportion test?p1?p2

z

=

1.15621192

p-value

=

0.24759449

p1

=

0.7613636364

p2

=

0.6901408451

p

=

0.7408906883

Does there appear to be a significant difference between the proportions of home wins? (Use the level of significance??=0.05.)

A.

Since the p-value is?

small,?

there?

is not?

a significant difference.

B.

Since the p-value is?

large,?

there?

is not?

a significant difference.

C.

Since the p-value is?

small,?

there?

is?

a significant difference.

D.

Since the p-value is?

large,?

there?

is?

a significant difference.

What do you conclude about the home field advantage? (Use the level of significance??=0.05.)

A.

The advantage appears to be?

about the same?

for?baseball and hockey.

B.

The advantage appears to be higher for?baseball.

C.

The advantage appears to be?

higher?

for?hockey.

D.

No conclusion can be drawn from the given information.

2-proportion test?p1?p2
z	=	1.15621192
p-value	=	0.24759449
p1	=	0.7613636364
p2	=	0.6901408451
p	=	0.7408906883
Does there appear to be a significant difference between the proportions of home wins? (Use the level of significance??=0.05.) A. Since the p-value is? small,? there? is not? a significant difference. B. Since the p-value is? large,? there? is not? a significant difference. C. Since the p-value is? small,? there? is? a significant difference. D. Since the p-value is? large,? there? is? a significant difference. What do you conclude about the home field advantage? (Use the level of significance??=0.05.) A. The advantage appears to be? about the same? for?baseball and hockey. B. The advantage appears to be higher for?baseball. C. The advantage appears to be? higher? for?hockey. D. No conclusion can be drawn from the given information.

Solution

When games were sampled throughout a season, it was found that the home team won 134 of 176 baseball games, and the home team won?

49 of 71 hockey games. The result from testing the claim of equal proportions are shown on the right. Does there appear to be a significant difference between the proportions of home wins? What do you conclude about the home field advantage?

2-proportion test?p1?p2

z

=

1.15621192

p-value

=

0.24759449

p1

=

0.7613636364

p2

=

0.6901408451

p

=

0.7408906883

Does there appear to be a significant difference between the proportions of home wins? (Use the level of significance??=0.05.)

A.Since the p-value is small,?there?is not?a significant difference.

B.Since the p-value is?large,?there?is not?a significant difference. ( 0.2475 >0.05)

C.Since the p-value is?small,?there?is?a significant difference.

D.Since the p-value is?large,?there?is?a significant difference.

What do you conclude about the home field advantage? (Use the level of significance??=0.05.)

A.The advantage appears to be?about the same?for?baseball and hockey. ( support the claim of equal proportions)

B.The advantage appears to be higher for?baseball.

C.The advantage appears to be?higher?for?hockey.

D.No conclusion can be drawn from the given information.

2-proportion test?p1?p2
z	=	1.15621192
p-value	=	0.24759449
p1	=	0.7613636364
p2	=	0.6901408451
p	=	0.7408906883
Does there appear to be a significant difference between the proportions of home wins? (Use the level of significance??=0.05.) A.Since the p-value is small,?there?is not?a significant difference. B.Since the p-value is?large,?there?is not?a significant difference. ( 0.2475 >0.05) C.Since the p-value is?small,?there?is?a significant difference. D.Since the p-value is?large,?there?is?a significant difference. What do you conclude about the home field advantage? (Use the level of significance??=0.05.) A.The advantage appears to be?about the same?for?baseball and hockey. ( support the claim of equal proportions) B.The advantage appears to be higher for?baseball. C.The advantage appears to be?higher?for?hockey. D.No conclusion can be drawn from the given information.