Chapter_03_exercise

Chapter_03_exercise - CHAPTER 3 DESCRIBING DATA: NUMERICAL...

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CHAPTER 3 DESCRIBING DATA: NUMERICAL MEASURES Exercise 3.3 Check your answers against those in the ANSWER section. A sample of the amount of rent paid for one bedroom apartments of similar size near the University of Akron are: $335 $515 $385 $635 $578 $500 $535 $462 $410 $373 $410 $430 a. What is the range? Interpret your results. b. Compute the mean deviation. Exercise 3.4 Check your answers against those in the Answer section. The annual exports of 50 medium-sized manufacturers were organized into a frequency distribution. (Exports are in $ millions). Compute the mean. Exports Frequenc y $6 up to $9 2 $9 up to $12 8 $12 up to $15 20 $15 up to $18 14 $18 up to $21 6 Exercise 3.5 Check your answers against those in the ANSWER section. During the past month an electronics store sold 31 model EL733 calculators for $30 each, 42 model EL480 calculators for $10 each, 47 model FX115 calculators for $20 each, and 63 model BA35 calculators for $24 each. What is the weighted mean price of the calculators?
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Chapter_03_exercise - CHAPTER 3 DESCRIBING DATA: NUMERICAL...

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