Education: Exams Professor Fair believes that extra time does not improvegrades on exams. He randomly divided a group of 300 students into twogroups and gave them all the same test. One group had exactly 1 hour inwhich to finish the test, and the other group could stay as long as desired. Theresults are shown in the following table. Test at the 0.01 level of significancethat time to complete a test and test results are independent.TimeARow Total1 h23426512142Unlimited1748858158Column409015020300Total

Answered: Image /qna-images/answer/d027f836-cc74-45b3-a037-ea4ea9ec6c4c.jpg

Answered: Education: Exams Professor Fair…

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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Save & E Suppose 40 percent of the customers at Pizza Palooza order a square pizza, 70 percent order a soft drink, and 28 percent order both a square pizza and a soft drink. Is ordering a soft drink independent of ordering a square pizza? O No O Yes
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Canvas →XC Video Notes Lecture Notes Homework Textbook D Question 1 A professor was interested in comparing how well her students performed on their midterm and final exams in her calculus course. She randomly sampled 7 students from her class and recorded their midterm and final exam grades which are shown in the table below. Midterm and Final Exam Grade Comparisons Student X=Midterm Exam Y=Final Exam Student 1 75 76 Student 2 73 67 Student 3 87 93 Student 4 90 92 Student 5 72 66 Student 6 84 68 Student 7 91 88 Use this information to calculate Pearson's correlation coefficient. Make sure to type your answer as a decimal rounded to 3 decimal places. For example, if you thought the answer was 0.54321 then you would type in 0.543. Question 2 2 #3 80 F4 4 55 F5 6 MacBook Air & 7 A DI DD FB 2 pts 2 pts * 00 ( 8 9 0
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