Homework #1
TabletPC Comparison providesawide variety ofinformation abouttablet
computers. The company's website enables consumers to easily compare
different tablets using factors such as cost, type of operating system,
display size, battery life, and CPU manufacturer. A sample of 10 tablet
computers isshowninTable 1.
(1) How many elements are in this data set?
(2) How many variables are in this data set?
(3) Which variables are categorical and which variables are quantitative?
(4) What type of measurement scale is used for each ofthe variables?
Table 1 Product Information for 10 Tablet Computers
點 Cost Operating| Display Size | Battery Life」 CPU
(9 | System | (inches) (hours) |Manufacturerl
AcerIconia W510 599 [Windows| 104 85 Intel
Amazon Kindle Fire HD | 299 |「Android 89 9 TI
Apple iPad 4 499 | ios 97 1 Apple
HP Envy X2 | 860 [Windows| 116 8 Intel
Lenovo ThinkPad Tablet| 668 「Windows| 101 105 Intel
MicrosoftSurface Pro | 899 「Windows| 106 4 Intel
Motorola Droid
530 「Android 1041 9 TIOMAP
XYboard
Samsung Ativ SmartPC| 590 「Windows| 116 7 Intel
Samsung Galaxy Tab 525 「Android 104 10 Nvidia
Sony Tablet 5 360 」Android 94 8 Nvidia
寢
For each of the following variables, indicate whether it is quantitative or
qualitative and specify the measurement scale that is employed when
taking measurements on each:
(1 Class standing of the members of this class relative to each other
(2) Admitting diagnosis of patients admitted to amental health clinic
(3) Weights of babies born inahospital duringayear
(4) Gender of babies born inahospital duringayear
(5) Range of motion of elbow joint of students enrolled inauniversity
health sciences curriculum
(6) Under-arm temperature of day-old infants born inahospital