Refer to Table 1.6 a. What is the average cost for the...

Name: Problem 3, Chapter 1: Essentials of Modern Business Statistics
Uploaded: 2022-09-17T17:56:35-08:00
Duration: 5 min
Channel: Terrisa R
Description: Refer to Table 1.6 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. c. What percentage of tablets use a CPU manufactured by TI OMAP? d. What percentage of tablets use an Android operating system?

Refer to Table 1.6 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. c. What percentage of tablets use a CPU manufactured by TI OMAP? d. What percentage of tablets use an Android operating system?

Refer to Table 1.6
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.
c. What percentage of tablets use a CPU manufactured by TI OMAP?
d. What percentage of tablets use an Android operating system?

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Key Concepts

Comparative Analysis

Comparative analysis involves examining two or more groups within a data set to identify differences or similarities. This process is essential when comparing averages or percentages between groups defined by specific characteristics, such as operating systems or CPU manufacturers.

Percentage Calculation

Percentage calculation is a technique used to express a part of a whole as a fraction of 100. This concept is crucial when determining what portion of a dataset meets a certain condition, as it allows for easy comparison and understanding of proportions.

Data Interpretation

This concept involves analyzing and extracting information from data presented in a structured format, such as tables. It requires understanding what the rows, columns, and values represent, and being able to use this information to answer specific questions about the data set.

Arithmetic Mean Calculation

The arithmetic mean, or average, is a fundamental statistical measure used to summarize a set of numerical values. It is computed by adding all the numbers in a data set and then dividing the sum by the number of values, which helps to provide a central value of the data.

Transcript

00:03 We're going to use the following table dealing with tablets to answer the following questions.

00:08 The first one is what is the average cost of the tablets? so if i find the average cost of the tablets, you want to add all the costs together, which is what we do here.

00:23 This is all the cost added together, which is 5 ,829.

00:28 Then you're going to divide by the total number of tablets, which is 10.

00:34 If you count them all up, there's 10 tablets total.

00:37 Divide that by 10 and you get 582 and 90.

00:43 So the total average cost of the tablets is $582 .90.

00:56 Then we want to compare the average cost of the windows operating system to the android.

01:02 Operating system for each tablet.

01:05 So if i add up all the windows which is 599, 860, 668, 899 and 890 which is done right here you get 3 ,616.

01:20 That's five total tablets so i divide it by five to find the average it's 72380.

01:27 So the average cost for windows is $723 .20.

01:43 Then we want to find the average cost for android.

01:48 So i'm going to take $2 .99 plus 530 plus 525 plus 360, which we do right here and get 1 ,714.

02:01 Since there's four values i added together, i'm going to divide by four to find the average, which is $4 ,28...

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