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kobusy [5.1K]
3 years ago
12

What is the difference between population parameters and estimates in a sample?

Mathematics
1 answer:
Anna35 [415]3 years ago
4 0

Answer:

Using that sample, you calculate the corresponding sample characteristic, which is used to summarize information about the unknown population characteristic. The population characteristic of interest is called a parameter and the corresponding sample characteristic is the sample statistic or parameter estimate.

Step-by-step explanation:

If you collect a sample and calculate the mean and standard deviation, these are sample statistics.

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Use the Pythagorean Theorem to determine if the three numbers could be the measures of the sides of a right triangle. Assume tha
Sloan [31]
Yes it is a right angled triangle

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4 years ago
Write the numbers 0,1,2,3,4,5,6,7,8,9 in this order and insert + or - between them to get the result -3
Zarrin [17]

Answer:

The order is ;

0+ 1 + 2-3+ 4 -5+6-7+ 8 - 9

Step-by-step explanation:

Here, we want to write the numbers in that order, inserting a subtraction or addition sign between them.

These are;

0+ 1 + 2-3+ 4 -5+6-7+ 8 - 9

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3 years ago
What is the area of a figure with a 3.5 cm height and a 4.8 length
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4 years ago
Express 125 = 5x as a logarithmic equation.
Marizza181 [45]
Answer: x log[5] = log[125]

Explanation:

The original expression is 125 = 5^x

To express that as a logarithmic equation take logarithms on both sides:

log [125] = [log 5^x]

By the properties of the logartims of powers that is:

log [125] = x log[5]

And that is the equation required.

If you want to solve it, you can do 125 = 5^2, and apply the same property (logarithm of a power) to the left side, yielding to:

log [5^2 ]= x log[5]

=> 2 log[5] = x log[5]

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3 0
3 years ago
Some Field Experience in the use of an Accelerated Method in Estimating 28-Day Strength of Concrete" considered regressing y =28
Brums [2.3K]

Answer:

<h2>(a) 5,050 psi.</h2><h2>(b) 5,051.3 psi.</h2><h2>(c) 5,180 psi.</h2><h2>(d) 4,920 psi.</h2>

Step-by-step explanation:

The given function is

y=1800+1.3x

Where x represents the accelerated strength in psi, and y represents 28-day standard-cured strength in psi.

Part a is about finding the y-value for x=2500

y=1800+1.3(2500)=1800+3250=5,050

Therefore, the expected value of 28-day strength when accelerated strength is 2,500, is 5,050 psi.

Part b is about the y-value for x=2501

y=1800+1.3(2501)=1800+3251.3=5,051.3

Part c is about the y-value for x=2600

y=1800+1.3(2600)=1800+3380=5,180

Part d is about the y-value for x=2400

y=1800+1.3(2400)=1800+3120=4,920

6 0
3 years ago
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