A SURVEY OF MATH 18 WK MML CODE
10th Edition
ISBN: 9780135834954
Author: Angel
Publisher: PEARSON
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Chapter 2.4, Problem 18E
Source: Euromonitor International
| Rankings of Vegetable-, Fruit-, and Meat-Consuming Countries | ||
| Vegetable | Fruit | Meat |
| 1. Greece | 1. Greece | 1. Argentina |
| 2. South Korea | 2. Argentina | 2. Portugal |
| 3. Turkey | 3. Denmark | 3. Greece |
| 4. China | 4. Thailand | 4. Austria |
| 5. Israel | 5. Israel | 5. Australia |
| 6. Romania | 6. Norway | 6. New Zealand |
| 7. Egypt | 7. Mexico | 7. Brazil |
| 8. Bulgaria | 8. Turkey | 8. United States |
| 9. Belgium | 9. Canada | 9. Ireland |
| 10. New Zealand | 10. Italy | 10. Canada |
Figure 2.21
18. China
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An article describes an experiment in which several types of boxes were compared with respect to compression strength (lb). The table below presents the results of a single-factor ANOVA experiment involving I = 4 types of boxes.
Type of Box
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1
655.5 788.3 734.3 721.4 679.1 699.4
713.00
46.55
2
3
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737.1 639.0 696.3 671.7 717.2 727.1
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ЛUSE SALT
Suppose that the compression strength observations on the fourth type of box had been 648.1, 741.7, 655.4, 672.0, 699.9, and 633.0 (obtained by adding 113 to each previous X4;). Assuming no change in the remaining observations, carry out an F test with α = 0.05.
State the appropriate hypotheses.
O Ho M₁ =μ₂ = μ3 = μ4
Ha at least two μ's are unequal
Ho: M₁ = μ2 #M3 #μ4
H₂:
all four μ's are equal
O Ho M₁ = M2 = μ3 = μ4
Ha all four μ's are unequal
#
=
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f(x)
=
tan 2x
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πT
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