Answer:
provides information about the strength of a relationship
Step-by-step explanation:
A numerical measure of strength in the linear relationship between any two variables is called the Pearson's product moment correlation coefficient.
The co efficient of correlation is a pure number denoted by r , independent of the units in which the variables are measured that can range from+1 to -1 .
The sign of r indicates the direction of the cor relation.
When r= 0 it does not mean that there is no relationship . For example if the observed values lie exactly on a circle , there is a relationship between variables but r = 0 as r only measure linear cor relation.
The 2nd statement given is the correct answer.
It is not related to ordinal or nominal properties and it does show direction.
Answer:
The answer is <u>3.2</u>
Step-by-step explanation:
- <em>8 x 40</em>
- <em>________</em>
- <em>100</em>
- <em> = 3.2</em>
Answer:
<h2><em><u>x</u></em><em><u> </u></em><em><u>=</u></em><em><u> </u></em><em><u>9</u></em></h2>
Step-by-step explanation:
<h3>
<em><u>To</u></em><em><u> </u></em><em><u>Find</u></em><em><u>:</u></em><em><u>-</u></em></h3>
<h3><em><u>Given</u></em><em><u>:</u></em><em><u>-</u></em></h3>
- 46° and (5x - 1)° are complementary angles
<h3><em><u>Solution</u></em><em><u>:</u></em><em><u>-</u></em></h3>
As we know,
Complementary angles:
The angles whose sum results to 90° are known as the <em><u>complementary</u></em><em><u> </u></em><em><u>angles</u></em><em><u>.</u></em><em><u> </u></em>
So,
46° + (5x - 1)° = 90°
- <em>[</em><em>Since</em><em> </em><em>complementary</em><em> </em><em>angles</em><em>]</em>
=> 46 + 5x - 1 = 90
- <em>[</em><em>On</em><em> </em><em>Simplification</em><em>]</em>
=> 45 + 5x = 90
- <em>[</em><em>On</em><em> </em><em>subtracting</em><em> </em><em>both</em><em> </em><em>sides</em><em> </em><em>with</em><em> </em><em>45</em><em>]</em>
=> 45 + 5x - 45 = 90 - 45
- <em>[</em><em>On</em><em> </em><em>Simplification</em><em>]</em>
=> 5x = 45
- <em>[</em><em>On</em><em> </em><em>dividing</em><em> </em><em>both</em><em> </em><em>sides</em><em> </em><em>with</em><em> </em><em>5</em><em>]</em>

- <em>[</em><em>On</em><em> </em><em>Simplification</em><em>]</em>
=> x = 9
<em><u>Hence</u></em><em><u>,</u></em><em><u> </u></em><em><u>required</u></em><em><u> </u></em><em><u>value</u></em><em><u> </u></em><em><u>of</u></em><em><u> </u></em><em><u>x</u></em><em><u> </u></em><em><u>=</u></em><em><u> </u></em><em><u>9</u></em><em><u> </u></em><em><u>(</u></em><em><u>Ans</u></em><em><u>)</u></em>
You can get the answer by multipying 9 by 8, thats how you would get your number, you do the opposite operation of what they are asking you