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kifflom [539]
3 years ago
5

A linear trend equation is used to represent time series values when the data are changing by equal what? a. proportions b. amou

nts c. percentsd. percents and proportions
Mathematics
1 answer:
Nastasia [14]3 years ago
4 0

Answer: Amounts

Step-by-step explanation:

Time series analysis are the method which are used by researchers to analyze the time series data so as to get the features of the data and to also derive meaningful statistics.

A linear trend equation is used to represent time series values when the data are changing by equal amounts.

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Mean absolute deviation of 75, 89, 145, 85, 80, 92, 104, 90, 100?
Mama L [17]
First, compute the mean: m=\frac{75+89+145+85+80+92+104+90+100}9=\frac{860}9=95.555

Next compute the absolute deviations for each datapoint:
|75-95.555|=20.555
|89-95.555|=6.555
|145-95.555|=49.445
|85-95.555|=10.555
|80-95.555|=15.555
|92-95.555|=3.555
|104-95.555|=8.445
|90-95.555|=5.555
|100-95.555|=4.445

Next we'll take the mean of these deviations: \frac{20.555+6.555+49.445+10.555+15.555+3.555+8.445+5.555+4.445}9=\frac{124.665}9=13.8517

The mean absolute deviation of your data is 13.8517
7 0
3 years ago
Compute the total cost of the meal to the nearest cent: meal costs $24.62 plus 6% tax and 15% tip.​
matrenka [14]

The total cost of the meal is $30.02

Step-by-step explanation:

Given,

Cost of meal = $24.62

Tax = 6%

Tax amount = 6% of cost of meal

Tax\ amount=\frac{6}{100}*24.62\\Tax\ amount=\frac{147.72}{100}\\Tax\ amount=\$1.48

Cost after sales tax = 24.62+1.48 = $26.10

Tip = 15%

Tip amount = 15% of cost after sales tax

Tip\ amount=\frac{15}{100}*26.10\\\\Tip\ amount=\frac{391.5}{100}\\Tip\ amount=\$3.92

Total cost of meal = Cost after sales tax + Tip amount

Total cost of meal = 26.10+3.92 = $30.02

The total cost of the meal is $30.02

Keywords: percentage, sales tax

Learn more about percentages at:

  • brainly.com/question/13087541
  • brainly.com/question/13096411

#LearnwithBrainly

7 0
3 years ago
Which one of the following measurements is equal to 12/16
BlackZzzverrR [31]

Answer:

what following measurements?

12/16=6/8

6/8=3/4

3/4=0.75

0.75=75%

Step-by-step explanation:

4 0
4 years ago
Point A is located at (0,4),and point C is located at (-3,5).Find the x value for point B that 1/4 the distance from point A to
shusha [124]
D is the answer for this problem






8 0
3 years ago
Read 2 more answers
Find the range, mean, median, and mode of the following data set.
attashe74 [19]

Answer:

<em>The answer to your question would be D.</em>

<em>D. Range: 20</em>

<em>Mean: 10</em>

<em>Median: 9</em>

<em>Mode: none</em>

Step-by-step explanation:

1, 2, 3, 8, 9, 12, 14, 20, 21

Range: 21 - 1 = 20

Mean: 1 + 2 + 3 + 8 + 9 + 12 + 14 + 20 + 21 = 90/9 = 10

Median: 9

Mode: there are no mode in the following given data set.

8 0
3 years ago
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