e. At the 5% significance level, can we conclude that average mpg differs between the hybrids? O Yes. since the p-value is less than the significance level. O Yes. since the p-value is not less than the significance level. O No, since the p-value is less than the significance level. O No, since the p-value is not less than the significance level. b. Use Tukey's HSD method at the 5% significance level to determine which hybrids' means differ. (If the

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.6: The Inverse Trigonometric Functions
Problem 94E
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The following output summarizes the results for a one-way analysis of varlance experiment in which the treatments were three
different hybrid cars and the variable measured was the miles per gallon (mpg) obtained while driving the same route. (You may find it
useful to reference the glable.)
Hybrid 1129, 01 20
Hybrid 2: 235, m₂ 15
Hybrid 3:2 22, ny = 18
Source of Variation
Between Groups
within Groups
Total
df
SS
1,068.27
1,483.70
2,551.97
o. At the 5% significance level, can we conclude that average mpg differs between the hybrids?
2
MS
534.14
29.67
50
52
Population Mean
Differences
O Yes. since the p-value is less than the significance level.
O Yes, since the p-value is not less than the significance level.
O
No, since the p-value is less than the significance level.
Confidence Interval
15.00
O
No, since the p-value is not less than the significance level.
b. Use Tukey's HSD method at the 5% significance level to determine which hybrids' means differ. (If the exact value for me is not
found in the table, then round down. Negative values should be indicated by a minus sign. Round your answers to 2 decimal
places)
p-value
0.0000
Can we conclude that the
hybrids' means differ?
Transcribed Image Text:The following output summarizes the results for a one-way analysis of varlance experiment in which the treatments were three different hybrid cars and the variable measured was the miles per gallon (mpg) obtained while driving the same route. (You may find it useful to reference the glable.) Hybrid 1129, 01 20 Hybrid 2: 235, m₂ 15 Hybrid 3:2 22, ny = 18 Source of Variation Between Groups within Groups Total df SS 1,068.27 1,483.70 2,551.97 o. At the 5% significance level, can we conclude that average mpg differs between the hybrids? 2 MS 534.14 29.67 50 52 Population Mean Differences O Yes. since the p-value is less than the significance level. O Yes, since the p-value is not less than the significance level. O No, since the p-value is less than the significance level. Confidence Interval 15.00 O No, since the p-value is not less than the significance level. b. Use Tukey's HSD method at the 5% significance level to determine which hybrids' means differ. (If the exact value for me is not found in the table, then round down. Negative values should be indicated by a minus sign. Round your answers to 2 decimal places) p-value 0.0000 Can we conclude that the hybrids' means differ?
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