1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Zinaida [17]
3 years ago
8

National polls are often conducted by asking the opinions of a few thousand adults nationwide and using them to infer the opinio

ns of all adults in the nation. Explain who is in the sample and who is in the population for such polls. Please use a poll from a newspaper, TV, a magazine, or from the Internet
EXAMPLE:
Hello! I saw a poll on TV the other day. It was a simple poll of favorability of our current president. His numbers went down from the previous poll of 54% favorable and 47% unfavorable to 48% favorable and 52% unfavorable. The population is all people in the U.S. of voting age and the sample was probably 1000 people in a major city in the United States.
Mathematics
1 answer:
Nonamiya [84]3 years ago
6 0

Answer:

The population is the set of all the elements. And the sample is a subset of the population.

Step-by-step explanation:

The population is the set of all the elements. And the sample is a subset of the population.

The sample is used to make conclusions regarding the population.

A poll is conducted from the target population to determine the general opinions of the individuals of that population.

The basic method of polling is to select a few thousand individuals from the population and ask their opinions on a certain subject.

The poll will result usually in two values, the proportion of individual in favor and the proportion of individual not in favor.

Consider the example below.

The polling done to determine the favorability of the new brand of tea. The polling was done using a few hundred members of the tea drinking community of a country. The poll resulted as follows:

In favor = 72%

Not in favor = 28%

The population is the entire tea drinking community of a country.

In this case the sample consist of few 100 people of the tea drinking community of a country.

You might be interested in
What is the reciprocal of 2?
ziro4ka [17]
1/2 you put it in a fraction and flip it
5 0
3 years ago
Read 2 more answers
If you wanted to​ test, using a​ 5% significance​ level, whether or not a specific slope coefficient is equal to​ one, then you
Margarita [4]

Answer:

If you wanted to​ test, using a​ 5% significance​ level, whether or not a specific slope coefficient is equal to​ one, then you should subtract 1 from the estimated​ coefficient, divide the difference by the standard​ error, and check if the resulting ratio is larger than 1.96 .

Option B is the correct answer.

Step-by-step explanation:

If you wanted to​ test, using a​ 5% significance​ level, whether or not a specific slope coefficient is equal to​ one, then you should subtract 1 from the estimated​ coefficient, divide the difference by the standard​ error, and check if the resulting ratio is larger than 1.96.

Option B is correct because after subtracting it from 1, it will become a standardized test if the slope is equal to 0 or not.

6 0
3 years ago
Ravi's chocolate bar is 34% cocoa. If the weight of the chocolate bar is 84 grams, how many grams of cocoa does it contain? Roun
Sloan [31]

Answer:

28.56 but rounded to tenth equals 30

Step-by-step explanation:

84 x 0.34 = 28.56 rounded to 30

hope i helped

7 0
3 years ago
Gia is 4 years younger than her sister joy. the sum of thier ages is 74 how old is joy?
Nat2105 [25]
Joys age is x
x + (x-4) = 74
2x = 78
x = 39
 joy is 39 years old
3 0
3 years ago
Read 2 more answers
-(5 – 9) - (-2)(2)<br> how do i solve this?
sashaice [31]

Answer:

8

Step-by-step explanation:

-(5 – 9) - (-2)(2)

-(-4) - (-2)(2)

4 - (-4)

4 + 4

8

Use PEMDAS

7 0
3 years ago
Read 2 more answers
Other questions:
  • What is another fraction for 1/3, 3/4, 3/5, 10/11, 8/9
    13·1 answer
  • Name a pair of vertical angles.
    15·1 answer
  • When ∆A′B′C′ is reflected across the line x = -2 to form ∆A″B″C″, vertex of ∆A″B″C″ will have the same coordinates as B′.
    5·1 answer
  • Three times as many robinsas cardinals visited a bird feeder. If a total of 20 robin and cardinals visited the feeder, how many
    7·1 answer
  • A group walked 3/8 mile in 1/5 hour. What is the group's walking speed in miles per hour?
    14·1 answer
  • Store Unit Rates Project Which store did you "shop" at? Unit Rate Item Original Rate Example: Eggs (store brand) $1.80 12 30.12
    5·1 answer
  • ¿Cuál es la mediana de 9,3 y 6,8 ????? or what is the median of 9.3 and 6.8?
    15·1 answer
  • In the equation, 4x + 5 = 21, what is the first step in the order of
    15·1 answer
  • Find the slope of the line represented by the data below. x|-9 -5 -1 3 7 y 4 7 10 13 16,​
    8·1 answer
  • Select all decimals that are equivalent to
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!