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2 years ago

Which scatterplot has a correlation coefficient closest to r= 1?

Mathematics

2 answers:

worty [1.4K]2 years ago

5 0

Answer:

the first graph

Step-by-step explanation:

Ksju [112]2 years ago

4 0

Answer:

-1

Step-by-step explanation:

in statistics, the correlation coefficient r measures the strength and direction of a linear relationship between two variables on a scatterplot. The value of r is always between +1 and –1. To interpret its value, see which of the following values your correlation r is closest to: Exactly –1.

hope this help

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A test is made of H subscript 0 colon space mu space equals space 43 space space v e r s u s space space H subscript 1 colon spa

sweet [91]

Answer:

The calculated value Z = 1.39 <1.96 at 0.05 level of significance

The null hypothesis is accepted

Step-by-step explanation:

Step(i):-

Given that the mean of the Population = 43

Given that the mean of the sample = 47

Given that the standard deviation of the Population = 25

Given that the sample size 'n' = 76

Step(ii):-

Null hypothesis:H₀: μ = 43

Alternative Hypothesis: H₁: μ ≠ 43

Test statistic

$Z = \frac{x^{-}-mean }{\frac{S.D}{\sqrt{n} } }$

$Z = \frac{47-43 }{\frac{25}{\sqrt{76} } }$

Z = 1.39

Level of significance = 0.05

The critical value = 1.96

Final answer:-

The calculated value Z = 1.39 <1.96 at 0.05 level of significance

The null hypothesis is accepted

4 0

2 years ago

Michelle correctly solved a linear equation and the last line of her work was: 1 = 2

andreyandreev [35.5K]

Answer:

The equation has no solution

Step-by-step explanation:

Since the last line of her work resulted in

1 = 2 ← meaningless, then

This indicates the equation has no solution

4 0

2 years ago

Read 2 more answers

Find the exact value of tan 150° in simplest form with a rational denominator.

Ainat [17]

Step-by-step explanation:

tan150°

= -tan30°

= -√3/3.

7 0

2 years ago

Assume that there is a 150 year old law in the statutes of your state which makes kissing in a public graveyard a crime punishab

pickupchik [31]

Answer: Natural law.

Step-by-step explanation:

Natural law this is a theory which is based on ethics and philosophy which states that human beings possess intrinsic values which guide our reasoning and behaviors. Natural law stands to maintain that these rules of right and wrong are inborn in people and are not created by the society or court judges. An example of Natural law is that it is bad to kill someone, and it’s is right to punish whoever kills someone.

in the example cited above it is morally wrong to kiss or furnicate in a cemetery ground and as such falls under the natural law cause our sense of judgment should come into play there.

6 0

2 years ago

Which place value first determines which of the numbers 35.1447 or 35.1457 is the larger number?

lianna [129]

Answer:

thousandths

Step-by-step explanation:

It is because one of the numbers is lower then the other so in this case 35.1457 is the larger number.

5 0

1 year ago