Homework Help: Statistics

Posted by Carmen on Friday, February 26, 2010 at 9:37pm.

Looking for someone to verify my homework answers on identifying the sample and population......

1) A group of 50,000 randomly selected adults were survey about whether they drink at least 6 - 8 oz glasses of water each day. Only 35% said yes to the question.

Q: What is the sample?
A: 50,000 random adults

Q: What is the population?
A: All adults

2) An employee at the local ice cream emporium asks 3 customers if they liked cookie dough ice cream.

Q: What is the sample?
A: 3 customers at the local ice cream emporium

Q: What is the population?
A: All local ice cream emporium customers

Statistics - drwls, Friday, February 26, 2010 at 9:55pm
You are correct. In 2, you are only drawing from the population of the LOCAL emporium's customers.
Statistics - Candy, Monday, March 7, 2011 at 5:01pm
Determine which of the four levels of measurement (nominal, ordinal, interval, or ratio) is most appropriate for each of the situations below. (2 points each part)

4a. The temperature of 10 light bulbs left burning for 5 hours

4b. The sample of pillows on the shelf categorized as soft, medium and firm

4c. Salaries of high school teachers

4d. Nationalities of concert spectators

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