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3 years ago

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1. If Gallup, Harris and other pollsters asked people to indicate their political party affiliation as Democrat, Republican or I

ndependent, the data gathered would be an example of which scale of measurement

1 answer:

vfiekz [6]3 years ago

5 0

Answer:

im not sure but i think its a bargraph if the answer is coreect please tell

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Determine which score corresponds to the higher relative position. Which is better, a score of 92 on a test with a mean of 71 an

ss7ja [257]

Answer:

The score of 92 on a test with a mean of 71 and a standard deviation of 15 is better.

Step-by-step explanation:

To find which score corresponds to the higher relative position, we find the Z-score of each score.

The z-score, which measures how many standard deviation a measure is above or below the mean, is given by the following formula:

$Z = \frac{X - \mu}{\sigma}$

In which X is the score, $\mu$ is the mean and $\sigma$ is the standard deviation.

A score of 92 on a test with a mean of 71 and a standard deviation of 15.

So $X = 92, \mu = 71, \sigma = 15$

$Z = \frac{X - \mu}{\sigma}$

$Z = \frac{92 - 71}{15}$

$Z = 1.4$

A score of 688 on a test with a mean of 493 and a standard deviation of 150.

So $X = 688, \mu = 493, \sigma = 150$

$Z = \frac{X - \mu}{\sigma}$

$Z = \frac{688 - 493}{150}$

$Z = 1.3$

Which is better?

Due to the higher z-score, the score of 92 on a test with a mean of 71 and a standard deviation of 15 is better.

6 0

4 years ago

A museum sells different items in their gift shop. The graph shows how many of each item was sold one day.

Artemon [7]

It’s C
15 postcards + 10 shirts =25
40 pencils - 25 shirts and postcards = 15

6 0

3 years ago

Read 2 more answers

What is the absolute value of -20?

Radda [10]

Answer:

C) 20

Step-by-step explanation:

The absolute value of a number represents the positive distance between the number and zero. Absolute value is therefore always positive.

The distance between -20 and 0 is 20 and therefore the answer is C) 20.

8 0

3 years ago

Read 2 more answers

Pls help I need it done tonight

Ksenya-84 [330]

Answer:

ABD= 58

BDC= 32

Step-by-step explanation:

complementary = 2 angles equal 90 degrees.

8y+2=90

Subtract 2 both sides.

8y=88

y=11

That's not all, put y into the equations.

ABD

5(11)+3

Multiply

55+3=58

BDC

3(11)-1

MULTIPLY

33-1

SUBTRACT

32

4 0

3 years ago

1 If the population of a town increases by 280 people per year, then the growth is LINEAR (or constant). If the population in 20

Stella [2.4K]

The population in the year 2023 is 120,780.

The growth is linear hence, the equation of the growth is
y=ax+b where b represents the initial population and a is the number of people growing yearly.

So, according to the question statement, we have that

y=280x+b where x is the number of years past and y is the population in the xth year.

According to the given problem population in 2022 will be 120,500.

Suppose that the initial population is taken at 2000.

Hence, 120,500=280×(2022-2000)+b

⇒b=120,500-280×22

⇒b=120,500-6,160

=114,340

So, the Linear equation becomes

y=280x+114,340

⇒y=280×(2023-2000)+114,340

⇒y=120,780

Hence, the population in the year 2023 is 120,780.

Learn more about linear equations here-

brainly.com/question/11897796

#SPJ10

7 0

2 years ago