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  3. 2 10 points john is interested in estimating avera

2 10 points John is interested in estimating average amount spent per visit by customers...

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Basic Math

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2 10 points John is interested in estimating average amount spent per visit by customers at Starbucks located on campus at the Big State University It is known that consumer spending at Starbucks is normally distributed He took a sample of 5 individuals and details about the sample are given below Let X represent amount spent by customer on a Starbucks visit Customer Adam Jack Ravi Mary Mart Column Sum X 5 50 6 50 6 50 8 50 5 50 32 5 x x 1 0 0 4 1 a What is the sample ayerage X Write your answer in this box Answer written outside this box will not be considered b What is the sample variance s Write your answer in this box Answer written outside this box will not be considered c What is X X for this sample Write your answer in this box d What is calculated test statistic value for testing Ho 7 against H1 7 Show work below for for full credit Write your answer in this box e What is critical value for testing the Ho 7 against H 7 when a 0 1 Write your answer in this box f Test the hypothesis Ho u 7 against H 7 using 10 level of significance and write your conclusion in this box Conclusion pritten outside this hox will not be considered

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