LESSON

Mathematics
Jack Byrne
15 minutes

1. Slide

# Statistics

2. Slide
• Mode - most frequent number

• Mean - average number

• Median - middle number​

Mode, Median & Mode

3. Slide

​Consider the numbers;

1 , 1 , 2 , 2, 3, 3, 3, 4, 5​

4. Multiple-choice
30 seconds
Q.

What is the mean of the following numbers?

3, 3, 4, 2

3

4

2

6

5. Multiple-choice
30 seconds
Q.

What is the mean of the following numbers?

4, 5, 5, 6

5

4

2

6

6. Multiple-choice
30 seconds
Q.

What is the mean of the following numbers?

2, 7, 7, 8

5

4

2

6

7. Multiple-choice
30 seconds
Q.

What is the median of the following numbers?

1 , 1 , 2 , 2, 2, 3, 3, 3, 4, 4, 5

2

3

4

5

8. Multiple-choice
30 seconds
Q.

What is the median of the following numbers?

7, 7, 7, 8, 8, 8, 8, 8, 9, 9, 10

7

8

9

10

9. Multiple-choice
30 seconds
Q.

What is the mode of the following numbers?

1, 1, 2, 2, 3, 3, 3, 4, 4, 5

1

2

3

4

10. Multiple-choice
30 seconds
Q.

What is the mode of the following numbers?

5, 5, 5, 6, 6, 7, 7, 7, 7, 8, 9

9

8

7

5

11. Slide
• The chance of something happening

​Probability

12. Multiple-choice
30 seconds
Q.

What is the probability of rolling a 6 on a standard dice?

1/2

1/3

2/5

1/6

13. Multiple-choice
30 seconds
Q.

What is the probability of rolling a 2 on a standard dice?

1/2

1/3

2/5

1/6

14. Multiple-choice
30 seconds
Q.

What is the probability of rolling an even number on a standard dice?

1/2

1/3

2/5

1/6

15. Multiple-choice
30 seconds
Q.

What is the probability of rolling a 2 or 3 number on a standard dice?

1/2

1/3

2/5

1/6

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