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Question #9

Question #9

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Question #9
The contingency table below summarizes the closing price information for 500 NASDAQ stocks from last Monday, Tuesday, and Wednesday. Each of the 500 stocks are classified according to two variables: closing price movement from Monday to Tuesday ("Closing price up on Tuesday" or "Closing price not up on Tuesday") and closing price movement from Tuesday to Wednesday ("Closing price up on Wednesday" or "Closing price not up on Wednesday"). In the cells of the table are the respective observed frequencies; in addition, three of the cells also have blanks. Fill in these blanks with the frequencies expected if the two variables, closing price movement from Monday to Tuesday and closing price movement from Tuesday to Wednesday, are independent. Round your answers to two or more decimal places. Send data to Excel Closing price movement from Tuesday to Wednesday Closing price up on Wednesday Closing price Total not up on Wednesday Closing price 131 155 up on 286 Tuesday Closing price movement Closing price 113 101 from Monday not up on to Tuesday 214 Tuesday Total 244 256 500
Transcribed Image Text:The contingency table below summarizes the closing price information for 500 NASDAQ stocks from last Monday, Tuesday, and Wednesday. Each of the 500 stocks are classified according to two variables: closing price movement from Monday to Tuesday ("Closing price up on Tuesday" or "Closing price not up on Tuesday") and closing price movement from Tuesday to Wednesday ("Closing price up on Wednesday" or "Closing price not up on Wednesday"). In the cells of the table are the respective observed frequencies; in addition, three of the cells also have blanks. Fill in these blanks with the frequencies expected if the two variables, closing price movement from Monday to Tuesday and closing price movement from Tuesday to Wednesday, are independent. Round your answers to two or more decimal places. Send data to Excel Closing price movement from Tuesday to Wednesday Closing price up on Wednesday Closing price Total not up on Wednesday Closing price 131 155 up on 286 Tuesday Closing price movement Closing price 113 101 from Monday not up on to Tuesday 214 Tuesday Total 244 256 500
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