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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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WILL GIVE BRAINLIEST FOR RIGHT ANSWER
Snowcat [4.5K]

Answer:

1.5

Step-by-step explanation:

2 ft. / the number of sides for width (2) = 1 then 3 ft. / number of sides for length (2) = 1.5

1.5 x 1 = 1.5

4 0
2 years ago
Find a third-degree polynomial equation with rational coefficients that has the roots 2 and -3 + i.
NeTakaya

Answer:

Option B

Step-by-step explanation:

Complex roots occur as conjugate pairs so the third root is -3 - i ( note that the sign changes from + to -).

So in factor form we have:-

(x - 2)(x - (-3 + i))(x - (-3 - i)) = 0    Let's expand the last 2 factors first:-

(x - (-3 + i))(x - (-3 - i))

= (x + 3 - i)(x + 3 + i)

= x^2 + 3x +ix + 3x + 9 + 3i - ix - 3i - i^2

= x^2 + 6x + 9 - (-1)

= x^2 + 6x + 10

Now multiplying by (x - 2):-

(x - 2)(x^2 + 6x + 10) = 0

x^3 + 6x^2 + 10x - 2x^2 - 12x - 20 = 0

x^3 + 4x^2 - 2x - 20 = 0    (answer)

Option B

5 0
3 years ago
a game is played by drawing 4 cards from a standard playing deck and replacing each card after it is drawn. find the probability
natima [27]
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8 0
3 years ago
I need help on number 17 ASAP !
nika2105 [10]

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Step-by-step explanation:

6 0
2 years ago
If the endpoint is (3/2, 1 1/2), and the midpoint is (2/5, -8/5) what is the other endpoint
alukav5142 [94]

Answer:

The answer to your question is  ( -7/10, -4 7/10)

Step-by-step explanation:

Data

Enpoint (3/2, 1 1/2)                  x1 = 3/2     y1 = 1 1/2

Midpoint (2/5, -8/5)                xm = 2/5    ym = -8/5

Entpoint 2 ( x, y)

Formula

Xm = (x1 + x2)/2    Solve for x2    x2 = 2xm - x1

Ym = (y1 + y2)/2     Solve for y2   y2 = 2ym - y1

Substitution

                  x2 = 2(2/5) - 3/2

                  x2 = 4/5 - 3/2

                  x2 = (8 - 15)/10

                 x2 = -7/10

                  y2 = 2(-8/5) - 1 1/2

                 y2 = -16/5 - 3/2

                 y2 = (-32 - 15) / 10

                y2 = -47/10 = -4 7/10

5 0
3 years ago
Read 2 more answers
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