There is an association because the value 0.15 is not similar to the value 0.55
For the nutritionist to determine whether there is an association between where food is prepared and the number of calories the food contains, there must be an association between two categorical variables.
The conditions that satisfy whether there exists an association between conditional relative frequencies are:
1. When there is a bigger difference in the conditional relative frequencies, the stronger the association between the variables.
2. When the conditional relative frequencies are nearly equal for all categories, there may be no association between the variables.
For the given conditional relative frequency, we can see that there exists a significant difference between the columns of the table in the picture because 0.15 is significantly different from 0.55 and 0.85 is significantly different from 0.45
We can conclude that there is an association because the value 0.15 is not similar to the value 0.55
Answer:
A. 
B. Yes
Step-by-step explanation:
2*2*2=8cm cubed
8*12*10=960 which is greater than 800
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Answer:
40
Step-by-step explanation:
I'm not sure about it
Answer:
Let the length of the first shelf = x
Length of second shelf = 2x + 18
Length of third shelf = x - 12
Length of remaining shelf = x + 4
Since Robert has to use a board of 2.5 m , the sum of lengths of all these shelves should be 250 cm
<em>So, x + 2x + 18 + x - 12 + x + 4 = 250 </em>
<em>5x + 10 = 250</em>
<em>5x = 240</em>
<em>x = 48 cm</em>
Therefore, the length of the first shelf should be 48 cm
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