Chapter 8 Problems.xlsx

# Chapter 8 Problems.xlsx - A)using the fomula excel command...

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A)using the fomula excel command- Math & Trig and select COMBIN 5!/2!(5-2)!= 10 Sample Values Sum Mean 12,2 42+2/2=2 22,4 62+4/2=3 32,4 62+4/2=3 42,8 102+8/2=5 52,4 62+4/2=3 62,4 62+4/2=3 72,8 102+8/2=3 84,4 84+4/4=3 94,8 124+8/4=3 104,8 124+8/4=3 2+2+4+4+8/5 20/5 μ=4(Population mean) Distribution of the sample mean is Sum of sample means/Number of samples 2+3+3+3+3+4+5+5+6+6/10 40/10=4 Both values are equal C)The range of the population is B) μ=∑x/n

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R=Maximum-Minimum 6 The range of the sample is R=Maximum-Minimum 4 The sample mean is less than the population
N to find solution

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A) Associate Number of cases Ruud 3 Wu 6 Sass 3 Flores 3 Wilhelms 0 Schueller 1 use Combin formula on excel 6!/3!(6-3)! 20 Sample Cases Ruud, Wu, Sass 3 Ruud, Wu,Flores 3 Ruud, Wu, Wilhelms 3 Ruud, Wu, Schueller 3 Ruud, Sass, Flores 3 Ruud, Sass, Wilhelms 3 Ruud, Sass, Shueller 3 Ruud, Flores, Whilhelms 3 Ruud,Flores, Schueller 3 Ruud, Wilhelm,Schuller 3 Wu, Sass, Flores 6 Wu, Sass, Wilhelms 6 Wu, Sass, Schueller 6 Wu, Flores, Wilhelms 6 Wu, Flores, Schueller 6 Sass, Flores, Wilhelm 3

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