BIT PRACTICE EXAM 1

BIT PRACTICE EXAM 1 - BIT 2405 Exam 1 A Printed Name: Turn...

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BIT 2405 Printed Name: Exam 1 A Turn in both the opscan and exam or you will receive a zero! The honor code is in effect for all exams. This is a closed-book, closed-notes exam. Sharing calculators is a violation of the honor code. Make sure to code in form A on your opscan. . Pledge the exam to indicate you have neither given nor received help: ________________________________________ Signature I. An investment firm studies stock prices for a web site development company, Sites4u , over the last 2 years. The average stock price for Sites4U is recorded for 15 randomly selected weeks. 1. What is the population of interest? 1. all web site development companies 2. Sites4u stock prices 3. stock prices for Sites4U from the last 2 years 4. 15 stock prices for Sites4U 5. none of the above 2. What is the sample? 1. all web site development companies 2. Sites4u stock prices 3. stock prices for Sites4U from the last 2 years 4. 15 stock prices for Sites4U 5. none of the above Following are the 15 average stock prices that were recorded for Sites4U: Average Stock Price ($) 1.02 .96 .75 1.21 .78 i x = 14.690 .81 1.06 1.17 .84 .90 1.15 1.22 .95 .83 1.04 ( ) 2 i x =14.745 3. What are the median stock prices? 1. $96.00 2. $0.99 3. 15 4. $0.96 4. What are the average stock prices? 1. $0.982 2. $0.979 3. $97.90 4. none of the above Page 1 of 7
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5. What is/are the mode(s)? 1. no mode 2. 15 3. $1.06 4. bimodal 6. Describe the shape of the distribution of prices. 1. skewed left
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BIT PRACTICE EXAM 1 - BIT 2405 Exam 1 A Printed Name: Turn...

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