Question

Refer to the following table.†

Product Information for 10 Tablet Computers

Tablet	Cost ($)	Operating System	Display Size (inches)	Battery Life (hours)	CPU Manufacturer
Acer Iconia W510	599	Windows	10.1	8.5	Intel
Amazon Kindle Fire HD	299	Android	8.9	9	TI OMAP
Apple iPad 4	499	iOS	9.7	11	Apple
HP Envy X2	860	Windows	11.6	8	Intel
Lenovo ThinkPad Tablet	668	Windows	10.1	10.5	Intel
Microsoft Surface Pro	899	Windows	10.6	4	Intel
Motorola Droid XYboard	530	Android	10.1	9	TI OMAP
Samsung Ativ Smart PC	590	Windows	11.6	7	Intel
Samsung Galaxy Tab	525	Android	10.1	10	Nvidia
Sony Tablet S	360	Android	9.4	8	Nvidia

(a)

What is the average cost for the tablets?

$

(b)

Compare the average cost of tablets with a Windows operating system to the average cost of tablets with an Android operating system.

The average cost of a tablet with a Windows operating system is $  . The average cost of a tablet with an Android operating system is $  . Thus we see tablets with Windows operating systems cost  ---Select--- less than more than than tablets with an Android operating system, on average.

(c)

What percentage of tablets use a CPU manufactured by TI OMAP?

%

(d)

What percentage of tablets use an Android operating system?

%

Answer 1

a)

average cost of the tablets

=(599+299+499+860+668+899+530+590+525+360)/10 =582.9

b)

The average cost of a tablet with a Windows operating system is

=(599+860+668+899+590)/5 =723.2

The average cost of a tablet with an Android operating system is

=(299+530+525+360)/4=428.5

Thus we see tablets with Windows operating systems cost more than with an Android operating system, on average.

c)

percentage of tablets use a CPU manufactured by TI OMAP =(2/10)*100 =20%

d)

What percentage of tablets use an Android operating system =(4/10)*100 =40%