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Feliz [49]
1 year ago
7

Sorting the data from smallest to largest is a useful first step that makes calculating which measure(s) of central tendency eas

ier?
Mathematics
1 answer:
Nikolay [14]1 year ago
5 0

Sorting the data from smallest to largest is a useful first step that makes calculating Median and Mode easier

We know,  the median is the value separating the higher half from the lower half of a data sample, a population, or a probability distribution.

The mode is the value that appears most often in a set of data values. If X is a discrete random variable, the mode is the value x at which the probability mass function takes its maximum value.

So, when we sorting the data from smallest to largest is a useful first step that makes calculating the median easier. Because median is the middle term of the ordered data set.

Similarly, It will be easier to find the most frequent in the ordered data set

that is mode

Hence, sorting the data from smallest to largest is a useful first step that makes calculating Median and Mode easier

Learn more about Median here

brainly.com/question/28060453

#SPJ4

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7 0
2 years ago
1.2.71
egoroff_w [7]

Answer:

Step-by-step explanation:

Set up an equation, where x is the number of gallons of 60% antifreeze solution.

Represent the percentages of antifreeze with decimal values.

0.6x + 0.3(80) = 0.5(x + 80)

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7 0
3 years ago
Use a half-angle identity to find the exact value of tan 22.5°.
dusya [7]

Answer:

\sqrt{2} -1

Step-by-step explanation:

22.5 degrees is half of 45 degrees (special angle for which we know exactly the value of all three basic trigonometric functions (sine, cosine, and tangent).

So we start recalling the formula for tangent of a half angle: tan(\frac{\alpha }{2} )= \frac{1-cos(\alpha) }{sin(\alpha) }

We need just the values of:

sin(\alpha )=sin(45^o)=\frac{\sqrt{2} }{2}

and of

cos(\alpha )=cos(45^o)=\frac{\sqrt{2} }{2}

to answer the question. Then, we use those values in the original formula for tangent of a half angle:

tan(\frac{\alpha }{2} )= \frac{1-cos(\alpha) }{sin(\alpha) }\\tan(22.5^o)=\frac{1-\frac{\sqrt{2} }{2} }{\frac{\sqrt{2} }{2}} =\frac{2-\sqrt{2} }{\sqrt{2} } =\frac{2\sqrt{2}-2 }{2} =\sqrt{2} -1

3 0
3 years ago
Read 2 more answers
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