Assignment Module 1 (Carino, Patricia Andrea A224) PDF

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Name: Carino, Patricia Andrea

Section: A-224

Assignment Module 1: Introduction and Data Collection Tablet PC Comparison provides a wide variety of information about tablet computers. Their website enables consumers to easily compare different tablets using factors such as cost, type of operating system, display, size, battery life, and CPU manufacturers. A sample of 10 tablet computers is shown below: TABLET

COST($)

Acer Iconia Amazon Kindle Apple iPad 4 HP Envy

599 299 499 860

OPER. SYSTEM Windows Android iOS Windows

10.1 8.9 9.7 11.6

8.5 9 11 8

CPU MFTURER Intel TI Omap Apple Intel

Lenovo Think

668

Windows

10.1

10.5

Intel

MS Surface Motorola Droid

899 530

Windows Android

10.6 10.1

4 9

Intel TI Omap

Samsung Ativ Samsung Tab

590 525

Windows Android

11.6 10.1

7 10

Intel Nvidia

Sony Tab 8

360

Android

9.4

8

Nvidia

DISPLAY SIZE BAT. LIFE (hrs)

1. How many elements are in this data set? 10 elements 2. How many variables are in this data set? 5 variables 3. Which variables are categorical and which variables are quantitative? Cost

-

Quantitative variable

Operating System -

Categorical variable

Display size

-

Quantitative variable

Battery Life

-

Quantitative variable

CPU manufacturer -

Categorical variable

Name: Carino, Patricia Andrea

Section: A-224

4. What type of measurement of scale is used for each of the variable? Cost

-

Ratio Scale

Operating System -

Nominal Scale

Display size

-

Ratio Scale

Battery Life

-

Ratio Scale

CPU manufacturer -

Nominal Scale

5. What is average cost for the tablets?

= (a1 + a2 + …. + an) / n = 5,829/10 = 582.90...