A study on the correlation between sleep quality and academic performance of SHS students is done by some PRACRES students. A random sample of 8 students is taken and the data for the number of hours of sleep per night (in hours) is recorded below: 4 4.5 5 5 5.5 6 6.5 7 Find the sample mean and the sample standard deviation. [Select] 5.44, 1.02 5.44, 0.95 5.5, 0.95 5.5, 1.10 Decemmine c color] ge, of

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