Interpreting Relative Frequency and Bar Graphs

The video tutorial explains relative frequency and how to calculate it using examples. It covers creating a relative frequency table and converting data into percentages. The tutorial also demonstrates how to represent frequency data graphically using histograms and emphasizes the importance of understanding graph axes for data interpretation.

What activity received the highest number of votes during the family night?

• Board games

• Bowling

• Watching movies

• Karaoke

What percentage of votes did board games receive?

• 30%

• 50%

• 20%

• 40%

If karaoke received 5 votes, what percentage does this represent?

• 30%

• 20%

• 50%

• 60%

What is the relative frequency of votes for bowling?

• 0.1

• 0.5

• 0.3

• 0.2

Which graphical representation is used to show the frequency of events?

• Line graph

• Pie chart

• Histogram

• Bar chart

What percentage does a frequency of 4 out of 10 represent in a histogram?

• 30%

• 40%

• 10%

• 20%

What does a frequency of 1 out of 10 convert to in percentage terms?

• 1%

• 10%

• 5%

• 20%

How many schools are there in Salem according to the county data?

• Four

• Two

• Three

• One

Which town has the highest number of schools based on the data provided?

• None

• Chesterton

• Richmond

• Salem

What is the purpose of checking the axes in a histogram?

• To change the data

• To understand the scale

• To interpret data correctly

• To find errors