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2 answers:
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Answer:
The range is 77.
The variance is 739.8.
The standard deviation is 27.2.
Step-by-step explanation:
The data provided, in ascending order is as follows:
S = {11 , 14 , 23 , 31 , 40 , 60 , 63 , 68 , 75 , 77 , 88}
The range of a data set is the difference between the maximum and minimum values.
From the above data set we know,
Maximum = 88
Minimum = 11
Compute the range as follows:
Range = Maximum - Minimum
= 88 - 11
= 77
The range is 77.
Compute the mean of the data as follows:
Compute the variance as follows:
The variance is 739.8.
Compute the standard deviation as follows:
The standard deviation is 27.2.
The car will be worth after one year is £ 5753.6.
<h3>What is exponential function?</h3>An exponential function is defined by the formula f(x) = , where the input variable x occurs as an exponent. The exponential curve depends on the exponential function and it depends on the value of the x.
The exponential function is an important mathematical function which is of the form
f(x) =
Where a > 0 and a is not equal to 1.
x is any real number.
Given
Car cost when bought A = £ 6200
Value of a car decreases by 7.2% each year.
n = 1
r = 7.2% or 0.072
The car will be worth after one year
⇒
⇒
⇒ y = £ 5753.6
Hence, the car will be worth after one year is £ 5753.6.
Learn more about exponential function here
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