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Greeley [361]
3 years ago
11

A sample of 7 students was taken to see how many pencils they were carrying 2,3,2,5,7,1,4 calculate the standard deviation

Mathematics
1 answer:
Firdavs [7]3 years ago
6 0

Answer:

1.92

Step-by-step explanation:

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The points (1, 7) and (0, 2) fall on a particular line. What is its equation in slope-intercept form?
NARA [144]

Slope-intercept form is y = mx + b


So we can manage to do this:


(y - yo) = m.(x - xo)


Where (x, y) and (xo, yo) are points of this line, this way we can discover the slope.


(7 - 2) = m.(1 - 0)

5 = m

m = 5


So,


y = 5x + b


Now we still have to use (y - yo) = m.(x - xo), but this time we will put only 1 point and the slope.


(y - yo) = m.(x - xo)

(y - 2) = 5.(x - 0)

y - 2 = 5x

y = 5x + 2


So, this is the line in slope-intercept form.

4 0
3 years ago
A city stretches for 480,000 meters in its greatest dimension. The mayor is having a model of the city created. The
NikAS [45]

Answer:

4.8

Step-by-step explanation:

took test

3 0
3 years ago
The marketing manager of a tourist company wants to be able to predict the number of calls to a toll free number asking for pamp
katrin [286]

Answer:

multiple regression

Step-by-step explanation:

In the field of statistics, the multiple regression is the statistical technique which uses the various explanatory variables for predicting the outcome of the response variable. It is the extension of the simple linear regression. It explains the relation between the multiple predictor variables or independent variables and one dependent variable or criterion variable.

In the context, the manager of a tourist company predicting the number of calls to the toll free number is using the statistical technique of multiple regression.

5 0
3 years ago
Simplify.<br> 10x² + 11x − 6=0
Westkost [7]

Step-by-step explanation:

10x² + 11x − 6 = 0

10x² + 15x – 4x – 6 = 0

5x(2x + 3) – 2(2x + 3) = 0

(2x + 3) (5x – 2)

5 0
2 years ago
How many different five-member teams can be made from a group of 17 people?
goblinko [34]

Answer:

3, with 2 people left over

3 0
3 years ago
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