Caffeine:following are the number of grams of carbohydrates in 12 oz expression beverages offered at coffee...

Question

Question

Caffeine:following are the number of grams of carbohydrates in 12 oz expression beverages offered at coffee shop

Find the first and third quartile of the data.

Find the mean of the data.

Find the upper and Lower outliner boundaries.

Answer 1

Answer #1

putting above data in ascending order:

first quartile =Q1= npth value =24*0.25 th value =6 th value =(19+21)/2 =20

third quartile =Q3= npth value =24*0.75 th value =18 th value =(40+41)/2 =40.5

mean of the data =sum of data values/n=731/24 =30.46

upper oulier boundary =Q3+1.5*(Q3-Q1)=40.5+1.5*(40.5-20)=71.25

lower oulier boundary =Q1-1.5*(Q3-Q1)=20-1.5*(40.5-20)=-10.75

Answer 2

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