* featuring Median and Mode Girls * This Photo by
Description: featuring Median and Mode Girls This Photo by Unknown Author is licensed under CC BY-NC-ND Mean Girls What needs to be done? Anne is desperate to fit in at her new school after years spent on the African plains with her zoologist
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slide1. * featuring Median and Mode Girls * This Photo by Unknown Author is licensed under CC BY-NC-ND Mean Girls<br>
slide2. What needs to be done? Anne is desperate to fit in at her new school after years spent on the African plains with her zoologist parents and needs your help.
She is analysing the lives of her classmates so she can get an idea of what makes them tick.
She has decided to calculate averages of the most important aspects of their lives and asked them for the following information:
Number of social media accounts.
Time spent on the phone per day.
Weekly spend.<br>
slide3. Calculate the mean, median and mode of the following sets of data: Social media:
Mean – 4.4
Median – 4.5
Mode – 5 Time on phone:
Mean – 76
Median – 76
Mode – No mode Weekly spend:
Mean – £27.10
Median – £28
Mode – Bimodal<br>
slide4. A New Student At High School Kate has joined the school having travelled with her motor racing mechanic father around the world.
Desperate to fit in she has compiled a stem-and-leaf diagram on the number of different people the members of her class talk to in a day.
Can you help Kate analyse the data?<br>
slide5. 8 0 1 3 0 3 2 4 2 3 5 4 6 3 5 5 9 8 7 7 7 8 9 Kate’s stem-and-leaf diagram: Using Kate’s stem-and-leaf diagram can you find the following:
The number of girls in Kate’s class.
The largest number of people a classmate spoke to.
The smallest number of people a classmate spoke to.
The mean, median, mode and range of people spoken to.
The inter-quartile range of Kate’s data. Key:
1│2 means 12 people 0 1 2 3 4 23 46 8 Mean: 26
Median: 27
Mode: 13 22<br>
slide2. What needs to be done? Anne is desperate to fit in at her new school after years spent on the African plains with her zoologist parents and needs your help.
She is analysing the lives of her classmates so she can get an idea of what makes them tick.
She has decided to calculate averages of the most important aspects of their lives and asked them for the following information:
Number of social media accounts.
Time spent on the phone per day.
Weekly spend.<br>
slide3. Calculate the mean, median and mode of the following sets of data: Social media:
Mean – 4.4
Median – 4.5
Mode – 5 Time on phone:
Mean – 76
Median – 76
Mode – No mode Weekly spend:
Mean – £27.10
Median – £28
Mode – Bimodal<br>
slide4. A New Student At High School Kate has joined the school having travelled with her motor racing mechanic father around the world.
Desperate to fit in she has compiled a stem-and-leaf diagram on the number of different people the members of her class talk to in a day.
Can you help Kate analyse the data?<br>
slide5. 8 0 1 3 0 3 2 4 2 3 5 4 6 3 5 5 9 8 7 7 7 8 9 Kate’s stem-and-leaf diagram: Using Kate’s stem-and-leaf diagram can you find the following:
The number of girls in Kate’s class.
The largest number of people a classmate spoke to.
The smallest number of people a classmate spoke to.
The mean, median, mode and range of people spoken to.
The inter-quartile range of Kate’s data. Key:
1│2 means 12 people 0 1 2 3 4 23 46 8 Mean: 26
Median: 27
Mode: 13 22<br>