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melomori [17]
3 years ago
9

What is a linear and non-linear trend?

Mathematics
1 answer:
trasher [3.6K]3 years ago
3 0

9514 1404 393

Explanation:

<u>Linear trend</u>

A linear trend is one that is best approximated by a straight line. Sometimes we use a straight-line approximation, even when it may not be a very good fit, because we are only interested in the sign of the slope, or its approximate magnitude. The parameters of a linear trend are about the easiest to calculate (though it doesn't matter much if an appropriate tool is used).

__

<u>Non-linear trend</u>

A non-linear trend is one that is best approximated by a curve other than a straight line. Trig functions (sine, cosine), exponential functions, quadratic functions are often used. Non-linear trends are not restricted to these kinds of functions.

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There are 25 rows of 18 stckers on a sheet. How many stickers are there on a sheet. How many on 40 sheets?
Nitella [24]
There are 450 stickers on the sheet

And 18000 on 40 sheets
8 0
2 years ago
PLEASE HELP ME ANSWER! im so desperate bro !!
sergey [27]

a)13

b) skewed

c) IQR

d)Sam's observation is correct

e)6.17

Step-by-step explanation:

Step 1 :

From the histogram we can infer that

0 to 2 texts has been sent by 1 student

2 to 4 texts has been sent by 3 student

4 to 6 texts has been sent by 4 student

6 to 8 texts has been sent by 4 student

8 to 10 texts has been sent by 5 student

Step 2:

a)

From step 1 , we can see that there are total of 17 students represented by the histogram

Step 3:

b)

This is a skewed histogram because we have all large values of students on the right of the histogram and smaller values on the left of the histogram.

In symmetrical histogram, there would be large values on the center and the smaller values on both sides.

Step 4:

c)

IQR would be better recommendation for this as this is a skewed histogram

Standard deviation would be recommended for a symmetrical histogram

Step 5:

d)

Total number of students is 17

Number of students who text between 8 to 10 messages is 5

Hence the students who text between 8 and 10 messages is 5/17

which is nearly 1/3 rd of the total students.

Hence Sam's observation is correct

Step 6:

e)

Mean amount of the texts = (1 * 3 + 3* 3 + 5*4 +7*4 + 9* 5) /17 = 6.17

6 0
3 years ago
A line passes through the points (1, 4) and (3,-4). Which is the equation of the line?
SVETLANKA909090 [29]

Answer:

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Step-by-step explanation:

y2-y1/x2-x1

This wil give you slope.

5 0
3 years ago
Which of the following is an extraneous solution of square root 4x+41 = x+5?
saw5 [17]
The answer is
4(2)+41=2+5
49
X=2
5 0
2 years ago
- 2a + 5b - 3c + 2a + b
kifflom [539]
The answer would be 6b-3c because a would cancel out and be 0
6 0
3 years ago
Read 2 more answers
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