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Frozen computer A computer system administrator noticed that computers running a particular operating system seem...

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Frozen computer A computer system administrator noticed that computers running a particular operating system seem to freeze up more often as the installation of the operating system ages She measures the time in minutes before freeze up for 6 computers one month after installation and for 6 computers seven months after installation The results are shown Can you conclude that the time to freeze up is less variable in the seventh month than the first month after installation Let o denote the variability in time to freeze up in the first month after installation Use the a 0 01 level and the critical value method with the table Part 0 5 State the null and alternate hypothesis Ho H One month Seven months 0 0 0 0 0 0 245 3 207 4 233 1 215 9 235 1 225 6 149 4 156 4 103 3 84 3 53 2 127 3 Send data to Excel Espanol 00 E E ola

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