# Practice Problems

Author:
pierrotk

## 1. Fill Down

2. The data represent the average customer ratings for several items sold online. a. Use the spreadsheet below to create a histogram for the data. Change the width of the bars in the histogram using the slider to create intervals with a width of 1, such as 0–1, 1–2, and so on.

b. Which interval has the highest frequency?

Select all that apply
• A
• B
• C
• D
• E

c. Describe the shape of the distribution.

3. The data represent the amount of corn, in bushels per acre, harvested from different locations. a. Use the spreadsheet to create a dot plot.

## Bushels of Corn Per Acre Dot Plot

b. Use the spreadsheet to create a box plot.

## Bushels of Corn Per Acre Box Plot

c. What is the shape of the distribution?

4. A list of numbers is made with the pattern: Start with 11, and subtract 4 to find the next number. Here is the beginning of the list: 11, 7, 3, . . . Use "fill down" in a spreadsheet to find the tenth number in this list.

What is the tenth number?