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nydimaria [60]
2 years ago
5

Select the correct word or phrase that completes this sentence. Least squares regression is a method that minimizes the sum of t

he squared distances between ____ and the regression line.
O A. the median points
B. the y-intercept
C. the points on the scatterplot
D. (x︦,y︦)​
Mathematics
1 answer:
Evgesh-ka [11]2 years ago
5 0

Answer: The points on the scatter plot

Step-by-step explanation: a pex

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A manager records the number of hours, X, each employee works on his or her shift and develops the probability distribution belo
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Answer:

c. 2

Step-by-step explanation:

Given : X = No. of hours worked

           No. of people work for the manager = 50

           X = 3, 4 , 5 , 6 , 7, 8

           P(X) = 0.1 , ? , 0.14 , 0.3 , 0.36 , 0.06

To Find : No. of people work for four hours

Solution : First understand the fact that sum of all probabilities is equal to 1

So, sum of all values of P(X) = 1

⇒0.1+?+0.14+0.3+0.36+0.06 = 1

⇒0.96+? = 1

⇒?= 1-0.96

⇒? = 0.04

So, the probability of no. of people worked for 4 hours is 0.04.

⇒P(4)=0.04

Thus , To calculate no. of people work for four hours :

0.04\times 50

⇒ 2 no. of people work for four hours per shift .


5 0
3 years ago
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carol spends 17 hours in a 2 week peiod practicing her culinary skills how many hours does she pratice in 5 weeks?
NNADVOKAT [17]

17/2 = 8.5 hours per week

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Step-by-step explanation:

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Ally works in a shop for $18 per hour dependent
meriva
Independent is hour
Dependent is her rate ($18) because it DEPENDS on how long she works
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