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 problem.
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 problem.
MATLAB: An Introduction with Applications
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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 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 problem.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb7ca3b3c-a186-4a2c-b22c-f0ed6979d444%2F8605540c-3cfa-4dd8-a643-f69177a86808%2Fb8364xs_processed.jpeg&w=3840&q=75)
Transcribed Image Text: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 problem.
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