Q1. One airline claims 1% of its all scheduled flights out of Dhaka International Airport depart late. From

a random sample of 200 flights, 1.5% were found to depart later than scheduled time.

a. What is the population in this case?

b. What is the sample in this case?

c. Is 1% a parameter or a statistic? Explain.

d. Is 1.5% a parameter or a statistic? Explain.

Q2. A sample of students in a university caf was asked the following questions. Identify the type of

data for each question.

a. What is your favorite flavor of ice cream?

b. How many times a month you eat ice cream?

c. Do you have children under the age of 10 living in your house?

d. Indicate your level of satisfaction with the food quality (very satisfied; moderately satisfied;

neutral; moderately dissatisfied; very dissatisfied).