3 years ago

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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: r 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 r critical value table for value with df = 23 and $\alpha=0.05$ .

Critical value = ±0.396 [From r critical value table]

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

Hence, r represents a significant linear correlation.

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4 years ago

What is the area, in square centimeters, of the isosceles trapezoid below?

cluponka [151]

Answer:

The Area=122.4^2

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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

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Answer:

You will need 18

Step-by-step explanation:

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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
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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

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3 years ago

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