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IrinaVladis [17]
3 years ago
15

A marketing researcher is testing out new names for a hair product. She asks 40 women to pick the name of the product that they

would be most likely to buy out of a list of 4 names. Could she use a dotplot to describe her results?

Mathematics
1 answer:
WINSTONCH [101]3 years ago
5 0

Answer:

Yes, she can use a dotplot to describe her results.

Step-by-step explanation:

A dot-plot is a chart where each data is represented as a dot and it's values fall in discrete bins.

She can set a graph where 4 names of the product is represented on the horizontal axis and for each woman giving a name of the product, a dot is placed on top of the horizontal axis.

A sample dot-plot for this study is attached.

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[Systems of equations] (/20) 1. Suppose the coefficient matrix of a system of linear equations has a pivot position in every row
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Answer:

The system is consistent because the rightmost column of the augmented matrix is not a pivot column.

Step-by-step explanation:

It is given that the coefficient of the matrix of a linear equation has a pivot position in every row.

It is provided by the Existence and Uniqueness theorem that linear system is said to be consistent when only  the column in the rightmost of the matrix which is augmented is not a pivot column.

When the linear system is considered consistent, then every solution set consists of either unique solution where there will be no any variables which are free or infinitely many solutions, when there is at least one free variable. This explains why the system is consistent.

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What is the solution for the system of equations {2x-3y-2z=-7, x-3y-3z=4, x-2y-z=-3
Sergeeva-Olga [200]
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3 years ago
Ray uses 1/4 of a gallon of gasoline to drive a distance of 5 1/2 miles. At this rate, how many miles can he drive on 1 gallon o
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4 0
3 years ago
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Can someone help me how do i do this i need an explination
Tanya [424]

Answer:  From the figure attached,

Point X is the midpoint of line AC.

Since coordinates of the midpoint of the segment joining endpoints  and  is given by,

Therefore, coordinates of the point X will be,  = (a, a)

From triangle AXB,

Length of AB = 2a

Length of AX =  

Length of BX =  

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Therefore, triangle AXB is an isosceles triangle.

Step-by-step explanation:

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3 years ago
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