Modul University asked a sample of 7 random students how many hours they studied for the...
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Modul University asked a sample of 7 random students how many hours they studied for the Maths mid term exam. The students (the names have been changed) answered: Albert = 79, Belinda = 67, Chelsea 44, Damien = 46, Ethel 42, Franz = 78, George = 75 Be sure to use the appropriate formulas for the data se(sample or population). Round your answers to two decimal places (using a decimal point, not a comma). a. Calculate the standard deviation b. Calculate the z-score for George c. What percentile corresponds to Belinda's studied hours? d. How many hours represent the 80th percentile? e. What percentile represents the value 44 hours? Modul University asked a sample of 7 random students how many hours they studied for the Maths mid term exam. The students (the names have been changed) answered: Albert = 79, Belinda = 67, Chelsea 44, Damien = 46, Ethel 42, Franz = 78, George = 75 Be sure to use the appropriate formulas for the data se(sample or population). Round your answers to two decimal places (using a decimal point, not a comma). a. Calculate the standard deviation b. Calculate the z-score for George c. What percentile corresponds to Belinda's studied hours? d. How many hours represent the 80th percentile? e. What percentile represents the value 44 hours?
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