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babymother [125]
3 years ago
13

Identify whether the following variables are categorical or numerical. If they are numerical, then identify

Mathematics
1 answer:
Wewaii [24]3 years ago
6 0

Answer:

The answers are given below in tabular form.

Step-by-step explanation:

We can prepare the following table -

Name of the variable         Type          If numerical discrete or    

                                                                    continuous

a)My favourite

  ice-cream                  Categorical                    

b)The height of

basketball players          Numerical                     Continuous

c)The time I fall

asleep at night               Numerical                       Continuous

d)My most watched

T.V. show                       Categorical

e) The amount I spend

on food weekly                Numerical                       Discrete

f) The temperature

 outside                           Numerical                        Continuous

g)The no. of shoes

  in my closet                   Numerical                         Discrete

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What’s the answer for a, and b, and how would you solve it?
xxTIMURxx [149]

Answer:

a) negative

b) -7/6

Step-by-step explanation:

The x value increased, but the y value decreased so the line goes down and has a negative slope

(y₁-y₂)/(x₁-x₂) is the slope where (x₁,y₁) and (x₂,y₂) are points on the line

(4-(-3))/(-1-5)=7/-6

6 0
2 years ago
A contractor records all of the bedroom areas, in square feet, of a five-bedroom house as: 100, 100, 120, 120, 180 What is the v
kifflom [539]
The variance is the total of the squared distances of the given data from the mean. 

This can be calculated through the equation,
        
                            σ² = summation of X² / N  - μ²

where σ² is the variance X's are the data, N is the number of terms, and μ is the mean.

   summation of X² = 100² + 100² + 120² + 120² + 180² = 81200
                          N = 5
                                        μ = (100 + 100 + 120 + 120 + 180) / 5
                                         μ = 124

Substituting these values to the equation for variance,
                                 
                              σ² = (81200/5) - 124² = 864

Thus, the variance is equal to 864. 
4 0
3 years ago
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3 0
3 years ago
Please help me quickly
bekas [8.4K]

Answer:

D

when you look at it it is upside down so d is the right answer

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