Chapter 10.2, Problem 1JC

a.

To determine

Check whether the given statement “It is always better to take a census than to draw a sample” is valid.

b.

To determine

Check whether the given statement “Stopping students on their way to cafeteria is a good way to sample to know about the quality of the food” is valid.

c.

To determine

Check whether the given statement “From a school of 3,000 students 100 students were sampled, to get the same level of precision for the town of 30,000 residents a sample of size 1,000 is required” is valid.

d.

To determine

Check whether the given statement “As the sample size is large there is certainty that most statistics students feel enjoy doing statistics homework” is valid.

e.

To determine

Check whether the given statement “The true percentage of all statistics students who enjoy the homework is called a population statistics” is valid.