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Westkost [7]
4 years ago
6

True or false: a mosaic plot is useful for visualizing the relationship between a numerical and a categorical variable.

Mathematics
1 answer:
Ivahew [28]4 years ago
3 0

It is false that for visualizing the relationship between a numerical and a categorical variable, a mosaic plot is useful. This is because the best plot to use for this kind of relationship is the side by side box plot.

 

Comparing the distribution of a numerical variable across the levels of a categorical variable is something we usually consider in this type of relationship.

 

The levels of one categorical variable by means of a quantitative variable is best compared by using the visual display called the side by side boxplot. <span>By placing single boxplots adjacent to one another on a single scale, the side by side box plot is constructed.</span>

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Marcia has a licorice rope that is 28 inches long. She wants to cut it into 3,-inch pieces to share with friends. How many piece
diamong [38]

Answer:

9 pieces

Step-by-step explanation:

28 inches rope cut into 3-inch pieces

  • 28/3 = 9 1/3

There is no matching answer choice, if given numbers are correct then the answer is 9 full pieces

---------

<u>Note:</u>

  • The close answer choice is 8
  • 28/8 = 3 1/2 or 3.5
  • So if cut into 3.5 inch pieces then it is 8 full pieces
  • just in case it was typo 3 instead of 3.5
8 0
4 years ago
Read 2 more answers
the demand for a product for the last six years has been 15, 15, 17, 18, 20, and 19. The manager wants to predict the demand for
Marta_Voda [28]

Answer and explanation:

Given : The demand for a product for the last six years has been 15, 15, 17, 18, 20, and 19. The manager wants to predict the demand for this time series using the following simple linear trend equation : tr_t = 12 + 2t

To find : What are the forecast errors for the 5th and 6th years?

Solution :

Data : 15, 15, 17, 18, 20, and 19.

The simple linear trend equation is given as, tr_t = 12 + 2t

For t = 5 years

tr_t = 12 + 2(5)

tr_t = 12 +10

tr_t = 22

Observed tr_t = 20

Predicted tr_t = 22

Forecast error = Observed – Predicted = 20 – 22 = -2

Absolute forecast error = |-2| = 2 .

For t = 6 years

tr_t = 12 + 2(6)

tr_t = 12 +12

tr_t = 24

Observed tr_t = 19

Predicted tr_t = 24

Forecast error = Observed – Predicted = 19 – 24 = -5

Absolute forecast error = |-5| = 5.

7 0
4 years ago
28 girls and 32 boys volunteer to plant trees at a school. the principal divides the girls and boys into identical groups that h
IgorLugansk [536]
8 groups of 4 boys and add  7 girls to the groups
6 0
3 years ago
Alberto rode the train 198 miles
Natali5045456 [20]

Answer: Alberto traveled 792 miles as total distance.

Step-by-step explanation:

Since we have given that

Distance rode by the train = 198 miles

Number of times round tip in last month = 4 times

We need to find the total distance that Alberto traveled.

So, Total distance that Alberto traveled is given by

198\times 4\\\\=792\ miles

Hence, Alberto traveled 792 miles as total distance.

8 0
4 years ago
The tablet below represents ordered pairs that satisfy the functions f(x) and g(x). If f(x)=4x, which statements are true of g(x
dexar [7]
B and D are the correct answers.
8 0
3 years ago
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