Cost per Load of Laundry Detergents The costs per load (in cents) of 35 laundry detergents tested by a consumer organization are shown here. Find the variance and standard deviation Class limits Frequency 13–19 2 20-26 7 27-33 12 5 34 40 41-47 48-54 55-61 1 62-68

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Q: Cost per Load of Laundry Detergents The costs per load (in cents) of 35 laundry detergents tested by…

A: From given data ,Class limit       Frequencyf    Mid point x       fx          fx213-19…

Q: 4,9,6,4,11,14 (b) Use the Alternate Formula for Sample Variance to find the variance and standard…

A: Formula : Sample variance : s2=∑x2-∑x2nn-1 Sample standard deviation : s =s2

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A: I solved exactly first question because of bartleby policy if you want more please uplode separately

Q: Statistics students believe that the mean score on a first statistics test is 65. The instructor…

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Q: Statistics students believe that the mean score on a first statistics test is 65. The instructor…

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A: I have attached the solution and code:

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A: It is an important fact in statistics . It is widely used in all statistical procedures .

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A: Given data is ,12 , 17 , 23 , 14 , 17 , 16 , 20 , 17 , 13 , 15Sample size(n)=10

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Q: Hockey's Highest Scorers The number of points held by a sample of the NHL's highest scorers for both…

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Q: Cigarette Taxes The increases (in cents) in cigarette taxes for 14  states in a 6-month period are…

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Q: Actuaries use various parameters when evaluating the cost of a life insurance policy. The variance…

A: n1=n2 =30 dfn =n1-1  dfd=n2-1

Q: Class Frequency :Q3) For the following data 80-84 3 50-54 55-59 60-64 65-69 70-74 75-79 3 7 10 16 12…

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