2. Tablet PC Comparison provides wide variety of information about tablet com a
ID: 3039774 • Letter: 2
Question
2. Tablet PC Comparison provides wide variety of information about tablet com a company's website enables consumers to easily compare ditferent cablets using factors such as cost, type of operating system, display size, battery life, and CPU manufacturer A sample of 10 tablet computers is shown in Table 1.6 (Tablet PC Comparison website, February 28, 2013). a. How many elements are in this data set? b. How many variables are in this data set? c. Which variables are categorical and which variables are quantitative? d. What type of measurement scale is used for each of the variables? puters. The test 3. Refer to Table 1.6. What is the average cost for the tablets? Compare the average cost of tablets with a Windows operating system to the average cost of tablets with an Android operating system. st a. b.Explanation / Answer
Q-2)
Ans A). There are 50 elements in the data set
And B) . There are 5 variables in the data set, namely cost operating system, display size,battery life, CPU manufacturer
Ans C). Categorical variable : operating system, display size, CPU manufacturer
Quantitative : Cost, Battery life
Ans d). Measurement Scale for Cost is Dollar. Measurement Scale for display size is Inches. Measurement Scale for battery life is hours.
Q 3).
Ans a). Average cost of the tablets = (599+299+499+860+668+899+530+590+525+360)/10
= 582.9 $
Ans b). Percentage of tablets using android operating system = (Total tabltes using android Operating system/ total tablets using any operating in the dataset)*100
= (3/10)*100
= 30%
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