Answer:
Please translate to English please
Step-by-step explanation:
Answer:
Step-by-step explanation:
Hello!
The variable of interest is
X: mark obtained in an aptitude test by a candidate.
This variable has a mean μ= 128.5 and standard deviation σ= 8.2
You have the data of three scores extracted from the pool of aptitude tests taken.
148, 102, 152
The average is calculated as X[bar]= Σx/n= (148+102+152)/3= 134
An outlier is an observation that is significantly distant from the rest of the data set. They usually represent experimental errors (such as a measurement) or atypical observations. Some statistical measurements, such as the sample mean, are severely affected by this type of values and their presence tends to cause misleading results on a statistical analysis.
Using the mean and the standard deviation, an outlier is any value that is three standard deviations away from the mean: μ±3σ
Using the population values you can calculate the limits that classify an observed value as outlier:
μ±3σ
128.5±3*8.2
(103.9; 153.1)
This means that any value below 103.9 and above 153.1 can be considered an outlier.
For this example, there is only one outlier, that this the extracted score 102
I hope this helps!
Answer:
A = 346.185 cm²
Step-by-step explanation:
The formula given is:
A = πr²
A = Area of the object (circle).
π = 3.14
r = radius, which is 1/2 of the diameter, a straight line from one end to the other.
Set the equation, plug in the corresponding numbers to the corresponding variables:
A = (3.14)(10.5)²
Simplify. Remember to follow PEMDAS.
PEMDAS =
Parenthesis
Exponents (& Roots)
Multiplication
Division
Addition
Subtraction
and is the order of operation.
First, solve the exponent.
(10.5)² = 10.5 * 10.5 = 110.25
Next, multiply:
A = (3.14)(110.25)
A = 346.185 cm²
A = 346.185 cm² is your answer.
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Answer: The correct answer is Choice C.
Step-by-step explanation: The cost of the ride is .50 per mile, plus $3.00 for each ride. In order to calculate it, the correct formula is going to multiply the number of miles, represented by x, by .50, and then add $3 for the ride.
Choice C is doing just that. $.50x + $3
Is C g(x) = -X^2 -3
This is the answer
