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hammer [34]
3 years ago
11

you did not know that there was a categorical variable influencing these clusters (winter and summer), what might you estimate f

or a plausible correlation coefficient?
Mathematics
1 answer:
alexira [117]3 years ago
6 0

Answer:

+0.8

Step-by-step explanation:

The correlation coefficient is a statistical and arithmetical measure of the force of the relationship among the relative movements of two variables. The values are between the range of -1.0 and 1.0.

When theirs is a calculated number bigger than 1.0 or smaller than -1.0, then that means there was an error in the correlation measurement.

The Correlation Coefficients (R) which is calculated amid the Summer and Winter UHIs is Derived From T s , T a , and T ac a UHI R Between Summer and Winter UHIs Slope.

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The table represents the distance covered by Emma over several hours on a recent Saturday bike ride. Becky takes the same route,
aleksandrvk [35]

Answer:

B

Step-by-step explanation:

Becky travels 0.5 miles per hour faster than Emma.

Emma's speed is 7.5 miles per hour. The slope of y = 8x, which is 8, is Becky's speed.

8 − 7.5 = 0.5 miles per hour faster

3 0
3 years ago
Read 2 more answers
PLEASE HELP!! within the interval notation of [-3,-2) the function below is…
kkurt [141]

Answer: increasing

Step-by-step explanation: The slope of the graph is positive.

7 0
2 years ago
A student's course grade is based on one midterm that counts as 5% of his final grade, one class project that counts as 10% of h
LiRa [457]

Answer:

<u>The student's final score is 77.2 and he earned a C letter grade</u>

Step-by-step explanation:

1. Let's review the information given to us to answer the math problem correctly:

Midterm = 5% of the final grade and score of 60

Class project = 10% of the final grade and score of 92

Set of homework = 35% of the final grade and score of 80

Final exam = 50% of the final grade and score of 74

2. What is the student's final score?

Final score = (60 * 0.05) + (92 * 0.1) + (80 * 0.35) + (74 * 0.5)

Final score = 3 + 9.2 + 28 + 37

Final score = 77.2 and letter grade of C

6 0
3 years ago
If three corresponding sides of one triangle are proportional to three sides of another, then the triangles are similar. always
mezya [45]
<span>If three sides are proportional their angles must be identical therefore they are always similar.</span>
5 0
3 years ago
Read 2 more answers
Find equations for the lines through the point (a,
Free_Kalibri [48]
The line y = mx + c has a slope of m.

Parallel line:
A parallel line will also have a slope of m, and should be of the form
y = mx + k
Because the line passes through the point (a,b), therefore
ma + k = b
k = b - ma
The equation of a parallel line is
y = mx + b - ma
   = m(x-a) + b

Perpendicular line:
A perpendicular line will have a slope of -1/m, because the product of slopes should be -1.
The equation for a perpendicular line is of the form
y = -(1/m)x + k
Because the line passes through (a,b), therefore
-(1/m)a + k = b
k = b + a/m
The equation for a perpendicular line is
y = -(x/m) + b + a/m 
   = -(1/m)(x-a) + b

Answer:
Parallel line: y=m(x-a)+b
Perpendicular line: y=- \frac{1}{m}(x-a)+b

3 0
3 years ago
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