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dangina [55]
2 years ago
14

Your friend finds that the correlation between shoe size and iq is r = 1. 99. what should you say about these findings?

Mathematics
1 answer:
Gennadij [26K]2 years ago
5 0

An error was made, correlation values can't be greater than 1.00.

The strength of the linear association between two variables is quantified by the correlation coefficient. The correlation coefficient always takes a value between -1 and 1. The 1 represents the perfect positive correlation and -1 represents the perfect negative correlation whereas the 0 represents the no correlation between two variables.

So, if the value of the correlation coefficient between shoe size and IQ is r = +1.99 then,

Analysts in some fields do not consider a correlation significant until the value is at least 0.8. However, a correlation coefficient with an absolute value of 0.9 or greater indicates a very strong relationship. 2.

Learn more about correlation values here: brainly.com/question/4219149

#SPJ4

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A hotel has $4,695 to buy new pillows. If the cost of each pillow is $5, how many pillows will the hotel be able to buy?
lesya692 [45]

Answer:

939

Step-by-step explanation:

4695 divided by 5 =939

8 0
3 years ago
Read 2 more answers
it takes an air pump 5 minutes to fill a twin sized air mattress (39 by 8.75 by 75 inches). how long will it take to fill a quee
Shalnov [3]

It take 8.205 minutes to fill a queen sized mattress.

<h3>What is volume?</h3>

'Volume' is a mathematical quantity that shows the amount of three-dimensional space occupied by an object or a closed surface.

Given dimensions:

Twin sized air mattress (39 by 8.75 by 75 inches).

Queen sized mattress (60 by 8.75 by 80 inches)

Now, Volume of twin sized mattress

=39* 8.75* 75

= 25593.35 cubic inch

Volume of queen sized mattress,

=60* 8.75* 80

= 42000 cubic inch

as, To fill 25593.35 cubic inch it takes 5  minutes

so, to fill 1 cubic inch = 5/25593.35

and, So to fill 42000 cubic inch it will take = 42000* 5/25593.35

=8.205 minutes

Learn more about this concept here:

brainly.com/question/10980137

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7 0
2 years ago
I beg anybody please
statuscvo [17]

Answer:

if no one answers pic b cuz i got good luck

Step-by-step explanation:

4 0
3 years ago
Select all ordered pairs that satisfy the function y = 4x + 3
qwelly [4]

Answer:

see explanation

Step-by-step explanation:

To determine which ordered pairs satisfy the equation substitute the x coordinate of the point into the right side and if the value obtained equals the y coordinate of the point then it satisfies the equation

(- 1, - 1)

x = - 1 : y = - 4 + 3 = - 1 ⇒ (- 1, - 1) satisfies the equation

(2, 11)

x = 2 : y = 8 + 3 = 11 ⇒ (2, 11) satisfies the equation

(4, 7)

x = 4 : y = 16 + 3 = 19 ≠ 7 ⇒ (4, 7) does not satisfy the equation

(7, 1)

x = 7 : y = 28 + 3 = 31 ≠ 1 ⇒ (7, 1) does not satisfy the equation

4 0
4 years ago
In 1990, the price of a gallon of unleaded gasoline was $1.37. In 1998, it was $1.02 per gallon. What is the decrease expressed
mojhsa [17]
The decrease is 35c

Q= X/100 of $1.37 = 0.35

1.37x/100 = 0.35

1.37x = 35 then divide each side by 1.37

Result is 25.5474453 percent, round up to nearest tenth.
Answer is 25%

7 0
4 years ago
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