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Vika [28.1K]
2 years ago
6

The regression equation, y = 6.5x + 20, is obtained after performing a regression analysis, where x represents the number of hou

rs studied for an exam and y represents the marks on the exam. Is the following statement true or false regarding the analysis above? (2 points)
If the regression square (R^ 2) is 0.01, the number of hours studied is very useful for predicting the exam marks.

50 POINTS HELP
Mathematics
2 answers:
Licemer1 [7]2 years ago
6 0

Answer:

x=10, true

Step-by-step explanation:

y=6.5x+20

true

erastovalidia [21]2 years ago
5 0

Answer:

The correct answer is True

Step-by-step explanation:

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a television station found that 145 out of the 350 people surveyed watched a program on education on Monday night. if this surve
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A city’s bus line is used more as the urban population density increases. The more people in an area, the more likely bus lines
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Step-by-step explanation:

correct on edge

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2 years ago
The yearly income for an individual with an associate’s degree in 2001 was $53,166 and in 2003 it was $56,970. What is the ratio
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Answer:

8861 : 9495

Step-by-step explanation:

Ratio of income in 2001 to 2003:

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Hope I helped! Have a good day :)

6 0
2 years ago
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Rammy has $9.60 to spend on some peaches and a gallon of milk. Peaches
sergeinik [125]

Answer:

\large \boxed{\text{5.00 lb}}

Step-by-step explanation:

\begin{array}{rcl}1.20x + 3.60 & \leq & 9.60\\1.20x & \leq & 6.00\\x &\leq & \mathbf{5.00}\\\end{array}\\\text{Rammy can buy $\large \boxed{\textbf{5.00 lb}}$ of peaches.}

Check:

\begin{array}{rcl}1.20(5.00) + 3.60 & \leq & 9.60\\6.00 + 3.60 & \leq & 9.60\\9.60 & \leq & 9.60\\\end{array}

OK.

5 0
2 years ago
A train traveled 260 miles in 4 hours. If the train’s average rate of travel increases by 12 mph, what is its new average rate o
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Answer:

Correct option A

Step-by-step explanation:

Average rate = 260/4 = 65 mph

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So 65+12 = 77 mph

Correct option A

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2 years ago
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