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Elenna [48]
3 years ago
15

Missing some of the data points in the sample is a:

Mathematics
1 answer:
zepelin [54]3 years ago
3 0

Answer:

Measurement error.

Step-by-step explanation:

Measurement Error are the error when there is difference found in true value of data and measured quantity of data. This difference could be found if we are missing some data in the sample.

The error could be reduced by carefully designing the process of data collection and it´s measurement.

Measurement error are classified into two type of error:

  1. Random error.
  2. Systematic error.

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A triangle has a perimeter of 10a + 3b + 12 and has sides of length 3a + 8 and 5a + b what is the length of the third side ?
RideAnS [48]

Answer:

  2a +2b +4

Step-by-step explanation:

The perimeter is the sum of the lengths of the three sides. If x represents the length of the third side, then ...

  (3a +8) +(5a +b) +x = (10a +3b +12)

Subtracting from the equation everything on the left side that is not x, we get ...

  x = (10a +3b +12) -(3a +8) -(5a +b)

  = a(10 -3 -5) +b(3 -1) +(12 -8)

  = 2a +2b +4

The length of the third side is 2a +2b +4.

5 0
3 years ago
Two trains, train A and train b Weigh a total of 354 tons. Train A is heavier than train b. The difference of their weights is 3
anastassius [24]
B=(354➖314) ➗2=20
A=20➕314=334
5 0
3 years ago
Do most of the shoppers spend more than $30?
PtichkaEL [24]
Well, in the real would many people spend more than $30.
8 0
3 years ago
True or False<br><br> If a logarithm is written without a base it is a natural logarithm.
NikAS [45]
The answer is: False. 

 If a logarithm is written without a base <span>it IS NOT a natural logarithm.</span>
 
The explanation is shown below:

 1. I<span>f a logarithm is written without a base, you must assume the base is 10. It is written as below:

 log(x)
</span>
 2. It is important to know that the base <span>a natural logarithm is the irrational number e. It is written as below:

 ln(x)</span>
5 0
3 years ago
Miss larner had a bowl of jolly ranchers sitting on her desk. One day sean decided to grab a handful of the candies and took 1/3
soldier1979 [14.2K]

Answer: 36 candies were in the bowl when the day started

Step-by-step explanation:

Let x represent the number of candies in the bowl initially.

One day sean decided to grab a handful of the candies and took 1/3 of the candies. This means that Sean took x/3 candies. Number of candies left would be x - x/3 = 2x/3.

Since he decided to return 4 of them, the remaining number of candies would be

2x/3 + 4 = (2x + 12)/3

Tracy also helped herself and took 1/4 of the candies in the bowl. This means that she took

1/4(2x + 12)/3 = (2x + 12)/12

The number of candies left would be (2x + 12)/3 - (2x + 12)/12

= 4(2x + 12) - (2x + 12)/12 = (8x + 48 - 2x - 12)/12 = (10x - 36)/12

Since she put down 3, the number remaining would be

(10x - 36)/12 + 3 = (10x - 36 + 36)/12 = 10x/12

Eugene grabbed 1/2 of the candies in the bowl. This means that he took

1/2 × (10x)/12 = (10x)/24

The amount remaining is

(10x)/12 - (10x)/24 = [2(10x) - 10x)]/24

= [20x - 10x]/24 = 10x/24

He put those two back. It means that amount left would be

(10x)/24 + 2

At the end of the day, there are 17 candies left. This means that

10x/24 + 2 = 17

10x/24 = 17 - 2 = 15

10x = 24×15 = 360

x = 360/10 = 36

4 0
3 years ago
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