Using Math to Analyze Data Answers

A single penny has a mass of 2.5 g. Abbie and James each measure the mass of a penny multiple times. Which statement about these data sets is true?

Which measurement shows the correct degree of precision for this ruler?

Consider the ruler shown below.The smallest graduation on this ruler is

Consider the ruler shown below.Which measurement shows a valid estimate for this ruler?

Students measured the mass of 25.0 mL of water and found it be 25.4 g. The accepted mass is 25.0 g. What is the percent error of the students' measurement?

Changes in the temperature of an ice cube taken every minute for 15 minutes

The number of each color candy in a snack bag

The length of a person's hand compared with the length of the same person's foot

The distribution of grades on a final exam

Consider the data set displayed to the right, showing the results of changing temperature on the volume of a gas. A would be the best type of graph to use to display these data.

The x-axis (horizontal axis) of the graph should show

The x-axis (horizontal axis) of the graph should have a range of

Which of the following features describe your graph? Check all that apply.

Twenty students were surveyed to find out how many hours of TV they watch during a school week. The results are shown to the right. Answer the following questions and round your answers to the nearest half hour.The mean of the data is hours.

The median of the data is hours.

Twenty students were surveyed to find out how many hours of TV they watch during a school week. The results are shown to the right. Answer the following questions and round your answers to the nearest half hour.The mode of the data is hours.

The range of the data is hours.

If student 12 had actually watched 10 hours of TV instead of 1, which values would be affected?

A scientist needs to know the temperature of a mixture to the nearest 0.05°C. Which thermometer would be most useful for the scientist?