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1. A survey on student behavior in some major College in Oman asked a randomly selected group of 300 students on the number of hours
1. A survey on student behavior in some major College in Oman asked a randomly selected group of 300 students on the number of hours a week he/she reads a newspaper. The sample mean was 4.5 and standard deviation 2.9. We can assume that the underlying distribution of number of hours reading newspaper is approximately normal. a) What will be a 95% confidence interval of the population mean number of hours a College student read newspapers per week ? Interpret the same. b) Suppose you perform a similar survey at CAS, Nizwa with 35 randomly selected students; the sample mean and sample standard deviation were 5.1 and 2.6 respectively. What will be a 95% confidence interval of the population mean number of hours an CAS, Nizwa student read newspapers per week ? Interpret the interval in the context of the
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