A sample ofn=9 men are asked." what is the fastest you have ever driven a car?" The sample mean is 50 kph and the variance is 400 what is the value of the t- test statistics for testing the null hypothesis that the population mean response is 100? O A. -2 O B. None of these O C. 0.38 O D. 7.5 OE. -0.2

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