1. What is the most significant difference between statistics and probability? answer: likelihood of future events
2. Give two examples of chart types that would be appropriate to graph categorical data. answer: bar chart, pie chart
3. Give two examples of chart types that would be appropriate to graph numerical data. answer: line chart, scatter chart
4. Give two examples of chart types that would be appropriate for a very large set of data with several thousand data points. scatter chart or hologram
5. Explain the difference between accuracy and precision. Draw diagrams if you like. answer: close to the true value
6. How many significant figures are in the number 27.030? answer: five
7. What is a common way to show uncertainty in measured data on a graph? answer: error bars
8. A dodecahedron die is a die with 12 faces instead of the usual six. How many possible outcomes are there for three rolls of a dodecahedron die? answer: 1728
9. Phil has to make a choice about passwords. He can either have a six-digit password with six different numbers or a four-character password with four different letters of the alphabet. Calculate the possibilities to figure out which type of password is more secure. answer: 151,200
10. During her school break, Hannah would like to visit some of her friends. She has 10 friends she would like to see, but she only has time to visit four of them. How many possible groups of four friends does she have to choose from? answer: 210
11. What is the probability of drawing an even number card or a spade from a 52-card deck? answer: 20/52
12. What is the probability of drawing a face card (jack, queen or king) from a 52-card deck followed by another face card from another 52-card deck? answer: 5%
13. In one coastal town, 16% of the residents own a motorboat and 10% of the residents own a motorboat and a sailboat. What is the probability that a resident owns a sailboat given that they own a motorboat? answer: 62.5%
Lesson Learning 