We can adjust the data by adding 4 to everything before we calculate the statistics. Or we can calculate the statistics on the given data and just add 4 to everything at the end. We'll get the same answer either way.
Let's sort the seven data points: 5 5 5 7 7 9 10
Those add up to 48 so the mean is 48/7 = 6.9
The one in the middle is 7 so the median = 7
The mode is the most common one, mode = 5
The range is the difference between max and min, so range = 10 - 5 = 5
In the second week we add four to everything. Since that adds four to the min and max, the range doesn't change.
Answer: mean=10.9, median=11, mode=9, range=5
Answer:
numbers are 33 and 7
Step-by-step explanation:
x+y=40
4y+5+y=40
5y+5=40
5y=35
y=7
x=4y+5=4(7)+5=28+5=33
Answer:
2/10 = 1/5.
Step-by-step explanation:
There are 2 reds in 10 chALKS.
Answer:
Multiples [10] - 10, 20, 30, 40, 50
Multiples [11] - 11, 22, 33, 44, and 55
<u><em>Find the Even numbers of these multiples</em></u>
Multiples [10]
- - 10 = Even
- - 20 = Even
- - 30 = Not Even
- - 40 = Even
- - 50 = Not Even
- <u><em>10 × 1 = 10</em></u>
- <u><em>10 × 2 = 20</em></u>
- <u><em>10 × 3 = 30</em></u>
- <u><em>10 × 4 = 40</em></u>
- <u><em>10 × 5 = 50</em></u>
Multiples [11]
- - 11 = Not Even
- - 22 = Even
- - 33 = Not Even
- - 44 = Even
- - 55 = Not Even
- <u><em> 11 × 1 = 11</em></u>
- <u><em> 11 × 2 = 22</em></u>
- <u><em> 11 × 3 = 33</em></u>
- <u><em> 11 × 4 = 44</em></u>
- <u><em> 11 × 5 = 55</em></u>
- <u><em> 11 × 6 = 66</em></u>
- <u><em> 11 × 7 = 77</em></u>
- <u><em> 11 × 8 = 88</em></u>
- <u><em> 11 × 9 = 99</em></u>
Step-by-step explanation:
.... I messed up, sorry. I thought that 20 said 11
90% of <span>£41 = 90/100 × 41 = </span><span>£36.9
</span>£41 decreased by 90% = 41 - 36.9 = <span>£4.1</span>
