. Conduct a test of hypothesis to determine if it is reasonable that the coefficient is greater than zero. Use the 0.100 significance level. Round Intermediate calculations and final answer to 3 decimal places.) Ho: PsO: H₂:p> 0 Reject He If > 1.330 Reject Answer is complete and correct. 1.793 Ho. It is quite reasonable to say the population correlation ✔ Answer is complete and correct. The regression equation is: Area . Develop the regression equation for effective heating based on wattage. (Negative value should be indicated by a minus sign. tound your answers to 3 decimal places.) positive Answer is complete and correct. 60.049 + O- ✓ 0.078 Wattage
. Conduct a test of hypothesis to determine if it is reasonable that the coefficient is greater than zero. Use the 0.100 significance level. Round Intermediate calculations and final answer to 3 decimal places.) Ho: PsO: H₂:p> 0 Reject He If > 1.330 Reject Answer is complete and correct. 1.793 Ho. It is quite reasonable to say the population correlation ✔ Answer is complete and correct. The regression equation is: Area . Develop the regression equation for effective heating based on wattage. (Negative value should be indicated by a minus sign. tound your answers to 3 decimal places.) positive Answer is complete and correct. 60.049 + O- ✓ 0.078 Wattage
Related questions
Question
Transcribed Image Text:b. Conduct a test of hypothesis to determine if it is reasonable that the coefficient is greater than zero. Use the 0.100 significance level.
(Round Intermediate calculations and final answer to 3 decimal places.)
Ho: P ≤ 0; H₁: p > 0 Reject H₂ If t>1.330
Reject
✔ Answer is complete and correct.
1.793 ✔
Ho. It is quite reasonable to say the population correlation
is
Answer is complete and correct.
The regression equation is:
c. Develop the regression equation for effective heating based on wattage. (Negative value should be indicated by a minus sign.
Round your answers to 3 decimal places.)
Area
positive
✔ Answer is complete and correct.
60.049 +
> Answer is complete but not entirely correct.
Heating area
177.0490 X
0.078✔ Wattage ✔
d. What heating area corresponds with a 1,500-watt heater? (Round your answers to 4 decimal places.)
Transcribed Image Text:A consumer buying cooperative tested the effective heating area of 20 different electric space heaters with different wattages. Here
are the results.
Heater
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Wattage
750
750
1,000
1,250
1,750
1,250
1,500
1,000
1,250
1,250
750
2,000
1,500
1,500
2,000
1,250
750
750
2,000
1,000
Area
73
62
133
51
203
250
154
243
117
112
130
291
298
225
225
141
275
41
76
59
picture Click here for the Excel Data File
Required:
a. Compute the correlation between the wattage and heating area. Is there a direct or an Indirect relationship? (Round your answer to
4 decimal places.)
The correlation of Wattage and Area is
✔ Answer is complete and correct.
0.3892. The link (relationship) is direct
b. Conduct a test of hypothesis to determine if it is reasonable that the coefficient is greater than zero. Use the 0.100 significance level.
(Round Intermediate calculations and final answer to 3 decimal places.)
Ho: p ≤ 0; H₁:p> 0 Reject H₂ If t>1.330
✔ Answer is complete and correct.
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