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sukhopar [10]
3 years ago
15

Which statement explains how to calculate the mean of a set of data? O A. Subtract the smallest from the largest value. O B. Add

the largest and the smallest values and divide by 2. O C. Find the sum of all the values and then divide by the number of values. OD. Organize the data from least to greatest and find the value in the middle. O E. Organize the data from least to greatest and Identify which value is repeated the most often.​
Mathematics
2 answers:
Nataly_w [17]3 years ago
8 0

Answer: Where is the data?... where I can solve it

Step-by-step explanation:

bearhunter [10]3 years ago
6 0

Question:

Which statement explains how to calculate the mean of a set of data? O A. Subtract the smallest from the largest value. O B. Add the largest and the smallest values and divide by 2. O C. Find the sum of all the values and then divide by the number of values. OD. Organize the data from least to greatest and find the value in the middle. O E. Organize the data from least to greatest and Identify which value is repeated the most often.​

Answer:

<h2>C</h2>

Step-by-step explanation:

Mean is just another name for average. To find the mean of a data set, add all the values together and divide by the number of values in the set. The result is your mean !

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If f(x)f(x) is an exponential function where f(-0.5)=27f(−0.5)=27 and f(1.5)=21f(1.5)=21, then find the value of f(0.5)f(0.5), t
vovikov84 [41]

Given:

f(x) is an exponential function.

f(-0.5)=27

f(1.5)=21

To find:

The value of f(0.5), to the nearest hundredth.

Solution:

The general exponential function is

f(x)=ab^x

For, x=-0.5,

f(-0.5)=ab^{-0.5}

27=ab^{-0.5}          ...(i)

For, x=1.5,

f(1.5)=ab^{1.5}

21=ab^{1.5}          ...(ii)

Divide (ii) by (i).

\dfrac{21}{27}=\dfrac{ab^{1.5}}{ab^{-0.5}}

\dfrac{7}{9}=b^2

Taking square root on both sides, we get

\dfrac{\sqrt{7}}{3}=b

b\approx 0.882

Putting b=0.882 in (i), we get

27=a(0.882)^{-0.5}

27=a(1.0648)

\dfrac{27}{1.0648}=a

a\approx 25.357

Now, the required function is

f(x)=25.357(0.882)^x

Putting x=0.5, we get

f(0.5)=25.357(0.882)^{0.5}

f(0.5)=23.81399

f(0.5)\approx 23.81

Therefore, the value of f(0.5) is 23.81.

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Amy drove to her mother’s house, which is 204 miles away. If it took her 3 hours, what was her average speed?
Y_Kistochka [10]

Answer:

68 mph

Step-by-step explanation:

204/3=68 mph

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3 years ago
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