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nikitadnepr [17]
3 years ago
9

Which description best describes the graph?

Mathematics
2 answers:
nika2105 [10]3 years ago
8 0
The line has a constant rate, so this is a linear equation
We move from left to right on the x axis so this line is decreasing
It’s the second option, Linear Decreasing
creativ13 [48]3 years ago
6 0
Linear decreasing is the answer to the question
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A credit card company estimates that the average credit card balance of Americans is $3,210. A statistics student wants to know
mash [69]

Answer:

On this case the claim that they want to test is: "A credit card company estimates that the average credit card balance of Americans is $3,210. A statistics student wants to know whether this is true for citizens of her home town". So we want to check if the population mean is equal to 3210 and that represent the null hypothesis and on the alternative hypothesis we need to have the complement of the alternative hypothesis.

Null hypothesis:\mu = 3210

Alternative hypothesis:\mu \neq 3210  

And the best alternative for this case would be:

One sample t-test

And the reason why is because we are interest in the true mean, and we assume that the population deviation is not known.

Step-by-step explanation:

A hypothesis is defined as "a speculation or theory based on insufficient evidence that lends itself to further testing and experimentation. With further testing, a hypothesis can usually be proven true or false".  

The null hypothesis is defined as "a hypothesis that says there is no statistical significance between the two variables in the hypothesis. It is the hypothesis that the researcher is trying to disprove".

The alternative hypothesis is "just the inverse, or opposite, of the null hypothesis. It is the hypothesis that researcher is trying to prove".

On this case the claim that they want to test is: "A credit card company estimates that the average credit card balance of Americans is $3,210. A statistics student wants to know whether this is true for citizens of her home town". So we want to check if the population mean is equal to 3210 and that represent the null hypothesis and on the alternative hypothesis we need to have the complement of the alternative hypothesis.

Null hypothesis:\mu = 3210

Alternative hypothesis:\mu \neq 3210  

And the best alternative for this case would be:

One sample t-test

And the reason why is because we are interest in the true mean, and we assume that the population deviation is not known.

3 0
3 years ago
What is the equilibrium price per DVD?
OleMash [197]
The equilibrium referred to here is the dynamic equilibrium. It means that there is a change happening, but the opposite change are equal so they cancel out. So, we can determine the equilibrium price at the point where the demand and supply curve intersect. That would be at the quantity of 60 units. Therefore, the equilibrium price is $10.
5 0
3 years ago
The tighter the probability distribution of its expected future returns, the greater the risk of a given investment as measured
shusha [124]

Answer:

The answer is false

Step-by-step explanation:

the greater the risk of given investment measured by its standard deviation is false.

5 0
3 years ago
25+ Points -- Photo Provided...
Readme [11.4K]

Answer:

-3, 8

Step-by-step explanation:

-x² + 5x + 24 = 0

-x² + 8x - 3x + 24 = 0

-x(x - 8) - 3(x - 8) = 0

(-x - 3)(x - 8) = 0

x = -3 , 8

3 0
3 years ago
What is the integer closest to zero?
ANEK [815]

Answer:

The answer is 25

Step-by-step explanation:

What I would is to first divide 78 by 3. That will get you 26. Then add one to get 27, subtract one to get 25. 25+26+27=78

The answer is 25.

8 0
3 years ago
Read 2 more answers
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