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Alex17521 [72]
3 years ago
14

What is the difference between an estimator and an ​estimate? A. An estimator is a function of a sample of data to be drawn rand

omly from a population whereas an estimate is the numerical value of the estimator when it is actually computed using data from a specific sample. B. Both an estimator and an estimate are functions of a sample of data to be drawn randomly from a population. C. Both an estimator and an estimate are numerical values computed using data from a specific sample. D. An estimate is a function of a sample of data to be drawn randomly from a population whereas an estimator is the numerical value of the estimator when it is actually computed using data from a specific sample. Determine whether the following are examples of ​estimators, estimates or neither. A. . estimator estimator estimate neither B. . estimate estimate neither estimator C. . neither neither estimator estimate D. . estimate neither estimate estimator E. . estimate estimate neither estimator
Mathematics
1 answer:
BARSIC [14]3 years ago
6 0

Answer: A. An estimator is a function of a sample of data to be drawn randomly from a population whereas an estimate is the numerical value of the estimator when it is actually computed using data from a specific sample.

Step-by-step explanation: The estimator is simply used to on obtaining an estimate from a sample of data. Thus, the estimator may be described as a function built according to a set of defined rules and statistical component which is used to infer a numerical value of an estimate from a given sample of observed data. Hence, the estimator may be regarded as the function or rules adopted in our quest to obtain an estimate for a given population from a sample of data. The value obtained for the mean of a sample of data is called an estimate of the population, the rules for Deriving the estimated value is called the estimator.

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As always, distance = rate times time. Here, distance is unknown, but we have the speed 88 mph and the time 0.25 hour. Thus,

distance traveled during chase = (88 mph)(0.25 hr) = 22 miles.

7 0
3 years ago
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Consider the parametric equations
MArishka [77]

Answer:(a)x^2+2y^2=2

(b)In the attached diagram

Step-by-step explanation:Step 1: Multiply both equations by t

xt=t(cost -sint)\\ty\sqrt{2} =t(cost +sint)

Step 1:  Multiply both equations by t

xt=t(cost -sint)\\ty\sqrt{2} =t(cost +sint)

Step 2:We square both equations

(xt)^2=t^2(cost -sint)^2\\(ty)^2(\sqrt{2})^2 =t^2(cost +sint)^2

Step 3: Adding the two equations

(xt)^2+(ty)^2(\sqrt{2})^2=t^2(cost -sint)^2+t^2(cost +sint)^2\\t^2(x^2+2y^2)=t^2((cost -sint)^2+(cost +sint)^2)\\x^2+2y^2=(cost -sint)^2+(cost +sint)^2\\(cost -sint)^2+(cost +sint)^2=2\\x^2+2y^2=2 hopes this helps

5 0
3 years ago
Can someone explain this to me pls
Black_prince [1.1K]

Answer:

sory i cant explain but tell anser c

Step-by-step explanation:

4 0
2 years ago
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Given: -1/2x &gt; 6.<br><br> Choose the solution set.
kompoz [17]

Answer:

x < -12

Step-by-step explanation:

-1/2x > 6

Multiply by -2 to isolate x

Remember that when multiplying by a negative, we flip the inequality

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4 0
3 years ago
Please I need help will mark brainliest
Vlad1618 [11]

Answer:

Arc JK: 27°

Arc NJ: 153°

Arc JL: 117°

My guess on arc KNM is 207°

My other guess for MJL is 297

JKM 180°

Step-by-step explanation:

6 0
3 years ago
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