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3 years ago

A correlation coefficient of _____ indicates that the variables form a perfect linear relationship.

Mathematics

1 answer:

serg [7]3 years ago

8 0

A correlation coefficient of 1 or -1 indicates that the variables form a perfect linear relationship.

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Anyone inbox me dear friends .

Vladimir [108]

Sure, but what do you mean by that?

Its it like a question ot like what

4 0

3 years ago

Anyone who plays or watches sports has heard of the "home field advantage." Teams tend to win more often when they play at home.

AveGali [126]

Answer:

H0 : μ = 0.5

H0 : μ > 0.5

Kindly check explanation

Step-by-step explanation:

H0 : μ = 0.5

H0 : μ > 0.5

We perform a right tailed test :

Sample proportion :

Number of games won, x = 142

Number of games, n = 250

phat = x / n = 142 / 250 = 0.568 = 56.8%

Yes, it is consistent

Test statistic :

(phat - p) * √Phat(1-Phat)/n

1 -Phat = 1 -0.568 = 0.432

(0.568 - 0.5) /√(0.568*0.432)/250

0.068 / 0.0313289

= 2.17

The Pvalue using the z test statistic :

Pvalue = 0.015

α = 0.03

Since ;

Pvalue < α ; We reject the null and conclude that teams tend to win more often when they play at home.

8 0

3 years ago

Running out of time. Please make sure you know how to do this. Can't miss too many more!!!!!

oee [108]

Answer:

its the second one

Step-by-step explanation:

4 0

3 years ago

Read 2 more answers

in a standard casino dice game the roller wins on the first roll if he rolls a sum of 7 or 11. what is the probability of winnin

Alborosie

Answer-

The probability of winning on the first roll is 0.22

Solution-

As in the game of casino, two dice are rolled simultaneously.

So the sample space would be,

$|S|=6^2=36$

Let E be the event such that the sum of two numbers are 7, so

E = {(1,6), (2,5), (3,4), (4,3), (5,2), (6,1)}

$|E|=56$

$\therefore P(E)=\dfrac{|E|}{|S|}=\dfrac{6}{36}$

Let F be the event such that the sum of two numbers are 11, so

F = {(6,5), (5,6)}

$|F|=2$

$\therefore P(F)=\dfrac{|F|}{|S|}=\dfrac{2}{36}$

Now,

$P(\text{sum is 7 or 11)}=P(E\ \cup\ F)=P(E)+P(F)=\dfrac{6}{36}+\dfrac{2}{36}=\dfrac{8}{36}=\dfrac{2}{9}=0.22$

8 0

4 years ago

a bank tellers hourly wage will increase from $24 to $27.60. what percent increase does this represent?a stereo is marked down $

Aleks04 [339]

Answer:

i know

Step-by-step explanation:

but I don't have pen

8 0

3 years ago