Find the cumulative frequency
1 answer:
The cumulative frequency of the data given is shown in the image attached below.
<h3>How to Find the Cumulative Frequency?</h3>To find the cumulative frequency of each data with a given class interval or data point, and their respective frequency, simply add each frequency from the frequency distribution to the sum of the previous frequency.
The cumulative frequency of the data in the table given would be calculated as shown below:
15 - 18 ---> 5 + 0 = 5
19 - 22 ---> 10 + 5 = 15
23 - 26 ---> 7 + 15 = 22
27 - 30 ---> 3 + 22 = 25
31 - 34 ---> 3 + 25 = 28
35 - 38 ---> 2 + 28 = 30
Thus, the cumulative frequency of the data given is shown in the image attached below.
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2.4012 is the value of x after solving equation = 30 using natural logarithms
We have been asked to solve = 30 using natural logarithms
⇒ = 30
⇒ x + 1 = ㏑ 30
⇒ x = ㏑ 30 - 1
≈ 2.4012
<h3>What is a natural logarithm?</h3>A number's natural logarithm is its logarithm to the base of the transcendental and irrational number e, which is roughly equivalent to 2.718281828459.
Typically, the natural logarithm of x is denoted by the symbols ln x, loge x, or, if the base e is implicit, just log x. When adding parentheses for clarity, the values ln(x), loge(x), or log (x). In order to avoid ambiguity, this is notably done when the argument to the logarithm is not a single symbol.
The power to which e would need to be raised in order to equal x is the natural logarithm of x.
For instance, e2.0149... = 7.5, thus ln 7.5 equals 2.0149.
Since e1 = e, the natural logarithm of e itself, or ln e, is equal to 1, while the natural logarithm of 1 is 0, since e0 = 1.
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<h3>Correct Question</h3>Use natural logarithms to solve each equation.
= 30