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# homework and solution - (4 How many boxes of raisins...

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DS 212 Business Statistics Soorapanth Homework #1: Chapter 1 and 2 Chapter 1 (Introduction to Statistics) Problems 1.3, 1.5, 1.6, 1.7 Chapter 2 (Descriptive statistics: Tabular and graphical presentations) Problem 2.1 (using the start value of 10 for the first class), Problem 2.2 (using 11 classes and the start value of 39 for the first class), Problem 2.3, 2.4, Problem 2.26 (using the class width of 5 and the start value of 32 for the first class). Additional problems Based on problem 2.2, answer the following questions: (1) What is the percentage of boxes of raisins containing 50 ± 1 raisins (i.e. 49-under 51)? (2) What is the percentage of boxes of raisins containing between 45 and 55 raisins? (3) How many boxes of raisins having 9 or more extra raisins (i.e. 59- under 61 and 61- under 63 ) than what they are supposed to contain?
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Unformatted text preview: (4) How many boxes of raisins having 9-11 less raisins (i.e. 39- under 41) than what they are supposed to contain? Based on problem 2.3, answer the following questions: (5) What is the most probable age interval of customers of this restaurant (i.e. which class has the highest relative frequency)? (6) What is the percentage of customers with the age between 10 and 25 years (not including 25 years)? (7) What is the percentage of customers with the age 25 years or older? Based on problem 2.26, answer the following questions: (8) What is the percentage of metal rings weighing less than 52 ounces? (9) What is the percentage of metal rings weighing 62 ounces or more? (10) What is the percentage of metal rings weighing 42 or more but less than 57 ounces?...
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