Teacher Preferences in Course Selection

The video tutorial discusses a survey of 20 teachers about their favorite courses, with results showing preferences for language, history, geometry, and chemistry. A bar chart is created to visualize these preferences, with step-by-step instructions on plotting the data accurately. The tutorial emphasizes the importance of correctly representing data on the chart and concludes with a review to ensure no mistakes were made.

How many teachers preferred language as their favorite course?

• 5

• 7

• 9

• 3

Which course had no teachers selecting it as their favorite?

• Chemistry

• Physics

• History

• Language

What is the first step in creating the bar chart?

• Plot the data for physics

• Plot the data for chemistry

• Plot the data for history

• Plot the data for geometry

How many teachers chose chemistry as their favorite course?

• 2

• 4

• 1

• 3

What is the correct number of teachers who preferred geometry?

• 7

• 8

• 9

• 10

How many teachers selected history as their favorite course?

• 4

• 3

• 2

• 5

What is the final step in completing the bar chart?

• Replot the data for physics

• Replot the data for chemistry

• Replot the data for language

• Check for careless mistakes