if you could explain how to do this it would be great Question 4 Suppose the USG

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if you could explain how to do this it would be great

Question 4 Suppose the USGA wants to compare the mean distances associated with four different brands of golf balls when struck with a driver. Iron Bryon, the USGA's robotic golfer hits a random sample of 10 golf balls of each brand in a random sequence. The distance is recorded for each hit. A one-way analysis of variance was conducted (results below) to compare the mean distances of the four brands using a 5% level of significance Anova: Single Factor What is the critical difference for the test you selected in QuestiBnde using a 5% level of significance? SUMMARY Groups Count Sum A verage Variance 10 2507.8 10 2610.6 10 2699.5 10 2493.2 250.78 22.42177778 BrandC BrandD 269.95 20.25833333 249.32 27.07288889 a. 3.79 b. 5.52 C. 3.44 d. 5.01 e. No critical difference is needed ANOVA Source of Variation df MS P-value F crit Between Groups2794.389 3 3.9731D Within Groups762.301 A21.175 since the ANOVA Failed to Reject the Null Total 39

Explanation / Answer

Answer:

Question 4

Total sample size=10+10+10+10=40

Degrees of freedom for error =n-k= 40-4=36

A=36

B=2794.389/3=931.463

C=931.463/21.175 =43.98881

D . F critical = 2.87

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