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Whitepunk [10]
3 years ago
13

NEED QUICKLY, RIGHT ANSWER GETS BRAINLIEST!

Mathematics
1 answer:
blondinia [14]3 years ago
6 0
I think it is c sorry if I get it wrong
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Given the linear correlation coefficient r and the sample size n, determine the critical values of r and use your finding to sta
Dafna11 [192]

Answer:  <em>r</em> represents a significant linear correlation.

Step-by-step explanation:

GIven : Linear correlation coefficient: r = 0.543

Sample size: n= 25

Significance levle: \alpha=0.05

Degree of freedom : n-2 = 25-2=23

Now, we check <em>r</em> critical value table for value with df = 23 and \alpha=0.05.

Critical value = ±0.396  [From <em>r</em> critical value table]

Since r = 0.543 > 0.396, that means there is significant linear correlation.

Hence,  <em>r</em> represents a significant linear correlation.

8 0
4 years ago
What is the area, in square centimeters, of the isosceles trapezoid below?
cluponka [151]

Answer:

The Area=122.4^2

7 0
3 years ago
A recipe for sparkling grape juice calls for 1 1\2 quarts of water and 3\4 quarts of grape juice. How much sparkling water would
WITCHER [35]

Answer:

You will need 18

Step-by-step explanation:

4 0
3 years ago
A soccer team wins 65% of its matches, and 15% of its matches end in a draw. If the team is scheduled to play 20 matches, about
Finger [1]
The team plays 20 matches. 

65% of the matches, the teams wins
= 20 * 0.65
= 13 matches

15% of the matches, the games ends in draw.
= 20 * 0.15
= 3 matches

The team is expected to lose in 
= 20 - 13 - 3
= 4 matches
3 0
3 years ago
2 companys are in a leage together.
Ludmilka [50]

Answer:

I believe it would be 9 hours for company 1, and 10 for company 2

Step-by-step explanation:

30 x 9 = 270 (+ the first 20) =290

25 x 10 = 250 (+ the first 40) =290

3 0
3 years ago
Read 2 more answers
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