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Sveta_85 [38]
3 years ago
15

The purpose of statstical inference is to provide information about

Mathematics
1 answer:
Leona [35]3 years ago
6 0

Answer:

The purpose of statistical inference is to provide information about the population based upon information contained in the sample.

Step-by-step explanation:

population based upon information contained in the sample

Step-by-step explanation:

Statistical inference is the process of using data analytics to deduce proprierties of an underlying probability distribution.

For example, if I want to know the percentage of Buffalo Bills fans that are from Canada. There is no way I can ask this question to every Bills fan(every Bills fan is the population). What I can do, for example, is go to a game and ask some of the fans there, that is, of a sample.

You might be interested in
Salazar is driving 70 miles per hour. At this rate, how long will it take for him to travel 840 miles?
Kisachek [45]

Answer:

12 hours

Step-by-step explanation:

Step 1:

70 : 1             Ratio

Step 2:

70 : 1 = 840 : x       Equation

Step 3:

840 = 70x      Multiply

Step 4:

x = 840 ÷ 70      Divide

Answer:

12 hours

Hope This Helps :)

4 0
3 years ago
A share of ABC stock was worth $70 in 2011 and only
Bezzdna [24]

Answer:

5v + 32y = 350

Step-by-step explanation:

Let, the year counting starts in 2011 and represented by y.

So, the share of ABC stock value was $70 at y = 0. And in the year 2016 i.e. y = (2016 - 2011) = 5, the share worth $38.

If there is a linear relationship between the number of years since 2011 i.e. y and the value of the share of ABC stock i.e. v, then we can write the equation of this situation as

\frac{v - 70}{70 - 38} = \frac{y - 0}{0 - 5}

⇒ 5v - 350 = - 32y

⇒ 5v + 32y = 350 (Answer)

6 0
3 years ago
Deon plots points to show the time it takes him to swim laps on two days. Is there a proportional relationship between the numbe
Sever21 [200]

Answer:

There's no proportional relationship between number of laps and minutes.

Step-by-step explanation:

The graph given above is a straight line graph, however, it does not cut across the point of origin (0, 0). As a result of this, it would be difficult to get a constant of proportionality, as you'd likely get different constant of proportionality between different points on the line. Thus, the ratio of y and x for each set of points may vary.

So therefore, the relationship between the x and y cannot be proportional.

We can conclude that the graph does not represent a proportional relationship between number of laps and minutes.

6 0
3 years ago
Simplify each expression.
Lelechka [254]
A.) xy^7/2z
b.) 4x^4y^8
c.) 10pq^5r^7s
5 0
3 years ago
PLEASE HELP (picture attached) explain if you can but if not that’s ok:)
makvit [3.9K]

Answer:x=2

Step-by-step explanation:

X=-b/2a

b=-4 a=1 in front of x

X=- - -4/2

X=4/2=2

6 0
3 years ago
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