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Vika [28.1K]
2 years ago
8

A procedure for using sample data to find the estimated regression equation is _____. Group of answer choices point estimation i

nterval estimation the least squares method extrapolation
Mathematics
1 answer:
mr_godi [17]2 years ago
6 0

<em>c. the least squares method. </em>

Regression equation:

In simple linear regression, the predicted value of the dependent variable is given by the equation = b0 + b1x. The values of b0 and b1 are calculated from the data so that the line = b0 + b1X minimizes the total sum of squared errors (error is the difference between the predicted value and the actual value of y).

Least squares method:

The least squares method is a statistical procedure to find the best fit for a set of data points by minimizing the sum of the offsets or residuals of points from the plotted curve.

Learn more about Regression Equation on:

brainly.com/question/16438646

#SPJ4

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For an outdoor event organizers estimate that 60000 people will attend if it is not raining. If it is raining, event organizers
s2008m [1.1K]

For an outdoor event organizers, the expected number of people who will attend is 32700

<u>SOLUTION:</u>

Given, For an outdoor event organizers estimate that 60000 people will attend if it is not raining.  

And If it is raining, event organizers estimate that 21000 people will attend.  

On the day of the show, meteorologists predicted a 70% chance of rain.

We have to determine the expected number of people who will attend.

Now, number of people = 70% of rain case + 30% of other case.

Number of people = 0.7 x rain case + 0.3 x other case

Number of people = 0.7 x 21000 + 0.3 x 60000

= 2100 x 7 + 6000 x 3 = 32700.

Hence, the expected count is 32700

3 0
3 years ago
How to do tHis? Help me pls!!!
ad-work [718]

Area of a trapezoid = h/2 ( a + b) where h = height and a and b are the lengths of the 2 parallel sides.

So here we have

Area = 12/2 ( 18 + 23)

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ii . volume of a sphere = 4/3 pi r^3 so

1436.03 = 4/3 pi r^3

r^3 = 1436.03 / (4/3 * pi) = 342.827

r = cube root of 342.827 = 7.0 m Answer


7 0
3 years ago
I need help with this question pleaseee
Slav-nsk [51]
I think it’s A not sure tho :|
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2 years ago
A fish dives 3 ft per minute estimate how far the fish will be in 15 minutes
Anarel [89]

Answer: 45 ft

Step-by-step explanation: 3 times 15 equals 45

4 0
3 years ago
3 + p = 8 <br><br> Please help me
docker41 [41]

Answer: p=5

Step-by-step explanation: because 3+5=8, try each number till one fits!

5 0
3 years ago
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