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NISA [10]
2 years ago
9

I need help I don’t lkdkdjxdkdjjddjdjdjd kdkdidjdjrke rikdjekrkdkdj dkdkdkdk

Mathematics
1 answer:
Elena L [17]2 years ago
4 0
Jesse got that as an answer because he only multiples 2X to 2 and not to 8.
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The correlation analysis assumes that the measurements have a bivariate normal distribution in the population. Select all of the
RoseWind [281]

Answer:

A. True

B. True

C. False

D. False

E. False

F. False

G. True

Step-by-step explanation:

Select all of the features that define a bivariate normal distribution.

<em>(this means that we select only those that are properties of the bivariate normal distribution)</em>

A. Bell-shaped probability distribution in two dimensions rather than one

<em>TRUE  because any combination of the two is still normal Z(x,y)=aX+bY</em>

B. A relationship between X and Y that is not linear

<em>TRUE The contours of the distribution are ellipses.</em>

C. The presence of outliers

<em>FALSE possible, but not always.</em>

D. Either X or Y has a decidedly skewed distribution

<em>FALSE normal distributions are symmetric</em>

E. A relationship between X and Y that is linear

<em>FALSE see answer to B</em>

F. A cloud of points that is funnel shaped (wider at one end than the other)

<em>FALSE normal distributions are symmetric</em>

G. The frequency distributions of X andY separately are normal

TRUE For example, in <em>Z(x,y)=aX+bY, putting a or b=0 means that X and Y separately are normal.</em>

4 0
3 years ago
A light bulb consumes 3600 watt-hours in 3 days and 18 hours. How many watt-hours does it consume per day?
Tasya [4]

18 hours = 18/24  reduces to 3/4 of a day

3/4 = 0.75

so 3600/3.75 = 960 watts per day

3 0
3 years ago
Read 2 more answers
A forest ranger can see for a distance of 12 miles from a firetower. Formulas Show calculator Select the best answer How many sq
BabaBlast [244]
That would be the area of a circle of radius 12 miles

= pi r^2 =  452.4  square miles to nearest tenth.
6 0
3 years ago
Trent went skiing with his family. His mom and dad made him put on many different layers of clothing so that he would be warm wh
mafiozo [28]

I think the answer is A. conductor

7 0
3 years ago
Read 2 more answers
-38/-8 plz help me plz​
Bad White [126]

Answer:

(-38) / (-8)

equals 4.75

a negative divided by a negative is always a positive

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
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