The mean
What is a mean ?
The avarge of some numbers.
What is the range of these numbers.
3,4,1,7,9, 7, 5,6,7,,4
=8
What are the 3 types of average?
Mean, Mode and Median
Who is the called the 'Father of mathematics'?
Archimedes
How do you find the mean?
Adding all numbers together and dividing them with the amount of numbers you are adding with.
What is the mode of these numbers ?
2,5,4,7,9,1,3,4,2,3,6,7,3
=3
Find the mode, median, mean and range of these numbers.
14, 13,9,3,7,5,2,17,20
Range=18
Mean=10
Median= 9
Mode= none
Who is called the 'Mother of mathematics'?
Emmy Noether
30% people love chocolate ice cream, 38.5% people love vanilla and 18% people love strawberry and 13.5% love rocky road ice cream. What graph best displays this information?
Pie chart
What is the mean of these numbers ?
5, 10, 5, 4
6
What is the median of these numbers ?
7,6,8,5,9,2,4,1
=5,5
Which example of statistics could we use to set your final grade?
mean
Who invented trigonometry?
Hipparchus
What can we use this for in our daily lives.
To better understand and make statistics.
Findning the most common number is also called finding the
Mode
What do we use statistics for?
For analysis and better understanding data.
Who defined the logarithm?
John Napier
What is the difference between a histogram and a bar graph?
histogram has no gaps and represents continuous data; bar chart has gaps and represents discrete data
What is the mean of these numbers ?
7, 6, 9. 4, 6, 10, 11,2, 3, 2, 6, 7, 3, 13,1
6
Find the median range and mode of these numbers.
4,6,8,3,9,7,2,3,6,8,10,3
Median=6
Range=8
Mode=3
In which of these jobs do you not have to work with statistics?
Math teacher, Financial manager, Taxi driver, Machine learning engineer.
You need statistics in all of these jobs.
Who invented the number 0?
The Mayans