Percentages in Statistics

200 people are surveyed about their favorite football team. The following table represents the result of this survey.

Here are the two players with the highest shooting percentage compared to everyone else who scored for the Lakers.

Is shooting percentage the best indicator of who is the best player? Why or why not?

How can you find the percentage of a category in a pie chart?

• Divide the area of the sector by the total area of the pie chart

• Count the number of categories in the chart

• Calculate the angle of the sector for the category and then use the formula: (Sector angle / 360) * 100%

• Use the color intensity of the category in the chart

How can you determine the size of each sector in a pie chart?

• Count the number of categories and divide 360 by the count

• Calculate the percentage of each category by dividing the value of the category by the total value and multiplying by 100.

• Use a protractor to measure the angle of each sector

• Guess the size based on personal estimation

Why is it important to ensure that the data in a pie chart adds up to 100%?

• To accurately represent the distribution of data in a pie chart.

• To show a random distribution

• To make the chart more colorful

• To confuse the audience

If you were to construct a scatter plot for the data below would it show a positive, negative, or no relationship?

A survey was conducted to find out how many students play a sport and like football. The results are shown in the table below.

Use the two-way table to determine the relative frequency of students who play a sport and like football to the total number of students that play a sport. Round to the nearest hundredth.

Using your table from , determine each of the following percentages to the nearest hundredth.

a) Of the females surveyed, what percent like fishing?
b) Of all the students surveyed, what percent dislike fishing?
c) What percent of the people who dislike fishing are male?