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GREYUIT [131]
3 years ago
9

You suspect that the spiciness of food served in a restaurant is positively correlated with number of soft drinks ordered. What

would be your next steps to test your hypothesis?
A) Plot all data together on a dot plot to assess if there is any visible correlation between the data sets.
B) Observe several cases of people ordering food of varying spice-levels and number of soft drinks ordered.
C) Pick two points on the dot plot and find a line of best fit.
D) Find the correlation coefficient to see how well the line of best fit actually fits the data.
Mathematics
2 answers:
Naily [24]3 years ago
7 0
<span>B) Observe several cases of people ordering food of varying spice-levels and number of soft drinks ordered. thats what i think though.</span>
Sever21 [200]3 years ago
3 0

Answer:

B is correct.

Step-by-step explanation:

Positive correlation is a relationship between two entities, where they are dependent on each other.  If one entity decreases, the other also decreases, or when one entity increases the other also increases.

Here, we can say that option B is correct.

Observe several cases of people ordering food of varying spice-levels and number of soft drinks ordered. We can say if the food is very spicy people tend to drink something with it. So, this is absolutely true. As the level of spice increases, the number of soft drinks ordered also increases.

We can put all the given options in step by step procedure.

B) Observe several cases of people ordering food of varying spice-levels and number of soft drinks ordered.

A) Plot all data together on a dot plot to assess if there is any visible correlation between the data sets.

C) Pick two points on the dot plot and find a line of best fit.

D) Find the correlation coefficient to see how well the line of best fit actually fits the data. 

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Please help ASAP give you 20 points and brainiest
GuDViN [60]

Answer:

Total charge= -25

Step-by-step explanation:

Given :

Charges of some ions

Aluminium    +3

Phosphate     -3

Chloride         -1

Silver               +1

To find total charge on 8 phosphate,7 chloride and 2 Aluminium atoms

Aluminium    +3 × 2 =+6

Phosphate     -3 × 8 = -24

Chloride         -1 × 7 = -7

total charge=

+6-24-7 =+6 -31

= -25

6 0
3 years ago
The measure of acidity (pH) can be found with the model where pH is the acidity and H is the hydrogen ion concentration. (Rememb
Over [174]
Refer to photo attached
7 0
3 years ago
(08.03 LC) Factor completely: x2 + 10x + 24 (5 points) Prime (x + 12)(x + 2) (x + 3)(x + 8) (x + 6)(x + 4)
Alona [7]

Answer:

Option C is correct

Step-by-step explanation:

We need to factorize the expression:

x^2+10x+24

For factorization we need to break the middle term such that the product is equal to 24x^2 and the sum is equal to 10x

We know that 6*4 = 24 and 6+4 =10

So, solving

=x^2+6x+4x+24

Taking common

=x(x+6)+4(x+6)

=(x+4)(x+6)

So, the factors of

x^2+10x+24

are

(x+4)(x+6)

Hence Option C is correct

5 0
3 years ago
Picture attached for question<br>​
Tema [17]
<h3><u>Explanation</u></h3>
  • Properties of Exponent

{a}^{ \frac{m}{n} }  =  \sqrt[n]{ {a}^{m} }

  • Convert the expressions from radical to exponent form.

9 \sqrt[4]{ {t}^{3} }  \times 7 \sqrt[3]{ {t}^{2} }  \\ 9( {t}^{ \frac{3}{4} } ) \times 7( {t}^{ \frac{2}{3} } )

  • Simplify the expression by multiplying.

63( {t}^{ \frac{3}{4} }  \times  {t}^{ \frac{2}{3} } )  = 63( {t}^{ \frac{3}{4}+\frac{2}{3} } ) \\ 63( {t}^{ \frac{9}{12} + \frac{8}{12} } ) \\ 63( {t}^{ \frac{17}{12} } )Answer[tex] \large \boxed {63 {t}^{ \frac{17}{12} } }

5 0
2 years ago
Which of the following is a solution to the system of<br> equations?<br> 4 + y = -x<br> y = 2x - 10
kiruha [24]

Answer:

x=3, y= -6

Step-by-step explanation:

make 4+y= -x as equation (1) and make y=2x-10 as equation (2, then you must find a third equation either from equation (1)or (2). If you choose to find equation (3) from (2) it will be y=2x-10 , then substitute equation (3) from (1) because you can't choose (2) , then it will be 4+(2x-10)= -x

the answer will be x =2

substitute x from equation (3)

y=2x-10

y=2 (2)-10

y= -6

3 0
3 years ago
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