My Score: 44 + 44 + 46 = 134.
Statistics
WALT calculate the mean, median, mode and range for a set of data.
TASK Elly and Troy want to find out once and for all:
- which Activity Group has the overall best score, (mean)
- which Activity Group has the highest middle number, (median)
- what score was the most common, (mode)
- which activity group has the highest range. (range)
In everyday life people collect data to look for trends and make decisions. In order to analyse the information, we need to understand the different ways to lOOK at the data.
Success Criteria you will know you are successful when:
- calculate the mean by adding up all the data (9 + 4 + 4 + 5 + 8 = 30) then divide the total by how many numbers there were (9, 4, 4, 5, 8 = 5 numbers so 30 ÷ 5 = 6).
- calculate the median by ordering all numbers from smallest to biggest then selecting the middle number (4, 4, 5, 8, 9 = 5 is the middle number). If there are 6 numbers e.g. 4, 4, 5, 6, 8, 9, then the median is halfway = 5.5.
- calculate the mode by identifying which number occurs most often (4, 4, 5, 8, 9 = 4 because there are two of them). You can have more than one mode.
- calculate the range by finding the difference between the highest and lowest numbers (9 - 4 = 5).
- my scores are 44, 44 and 46 so my total score is 134
- the mode score is 44
- my range score is 44 46. 2 numbers inbitween
- my median number is 44
- my mean is 44 44 46 so i have 3 numbers so it is 134÷3
- so that =12 ÷3 = 4 i know 120 ÷ 3 = 40, 14 ÷ 3 = 4 and a bit. Therefore my mean is 40 + 4 and a bit = 44 and a bit.
This is my Groups Score.
Cooper = 36 + 40 + 40
Coopers scores are 36, 40 and 40 so his total score is 116.
The mode score is 40.
The range score is 40 and 40 (2 high numbers).
The median is 40.
the mean is 36 40 and 40 so it is 116÷3= 38
Devin = 44 + 34 + 25
Devins scores are 44 34 and 25 so her total score is 103
The range score is 44
The median 34
the mean is 44 34 and 25 so it is 103÷3= 34
Alex= 43 + 36 + 46
Alex's scores are 43, 36 and 46 so his total score is 125
His range score is 46
His median is 46
his mean is 43, 36 and 46 so it is 125÷3= 41
Liam= 27 + 34 + 46
Liam's scores are 27, 34 and 46 so his total score is 107
His range score is 46
His median is 46
His mean is 27, 34 and 46 so it is 107÷3= 35
Milania= 15 + 21 + 35
Milania's scores are 15, 21 and 35 so her total score is 71
Her range score is 35
Her median is 35
Her mean is 15, 21 and 35 so it is 71÷3= 23
WOW! I love the detail that you have added to this post. You have explained how you worked it out. An excellent post, Well Done!!
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