## Problems:

### Problem 1 (3 points):

In a Gallup poll of 1010 adults in the United States, 55% of the respondents said that they used local TV stations daily as a source of news. Is the 55% value a **statistic** or a **parameter**? Describe the **sample**. Describe the **population**.

### Problem 2 (2 points):

Suppose we make an observation study to count how many geese live in Manzanita lake in UNR campus for at least 300 days of the year. What are the units of the observations? Are the units

**discrete** or

**continuous**?

### Problem 3 (2 points):

An ad for Big Skinny wallets included the statement that one of their wallets “reduces your filled wallet size by 50%–200%.” What is wrong with that statement? How does it relate to the range of possible values of “size?”

### Problem 4 (3 points):

Suppose we are making measurements of cars. Give one example of a

**quantitative** measurement of the car and one example of a

**qualitative** measurement of the car. Explain how these two types of measurements are different.