. The amount spent in billions for online ads per year is shown below. Construct a...

. The amount spent in billions for online ads per year is shown below. Construct a time series plot of the data and describe the trend. please help with graphing and explaining

year	2010	2011	2012	2013	2014	2015
amount	$68.4	$80.2	$94.2	$106.1	$119.8	$132.1

Solutions

Expert Solution

Year	Amount	t
2010	68.4	1
2011	80.2	2
2012	94.2	3
2013	106.1	4
2014	119.8	5
2015	132.1	6

Mean	100.1333	3.5
N	6	6
Sum	600.8	21

The trend is positive.

Y'=a+bX

Wher X= t (time series)

SUMMARY OUTPUT

Regression Statistics
Multiple R	0.999789706
R Square	0.999579456
Adjusted R Square	0.99947432
Standard Error	0.550627348
Observations	6

ANOVA
	df	SS	MS	F	Significance F
Regression	1	2882.580571	2882.580571	9507.49	6.63E-08
Residual	4	1.212761905	0.303190476
Total	5	2883.793333

	Coefficients	Standard Error	t Stat	P-value	Lower 95%
Intercept	55.21333333	0.512606164	107.7110211	4.46E-08	53.79011
t	12.83428571	0.131625112	97.50636132	6.63E-08	12.46884

orchestra answered 1 year ago

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