In your oun wordh, dferetate the following stateical terminologen uth same eampie a Popuation Parameter and Semple Statistic Deserptive Statnses and interential Sathea E Nominal Sale and Ordinal Scae 4 Primary Deta Sourn and Secondary Data Source
In your oun wordh, dferetate the following stateical terminologen uth same eampie a Popuation Parameter and Semple Statistic Deserptive Statnses and interential Sathea E Nominal Sale and Ordinal Scae 4 Primary Deta Sourn and Secondary Data Source
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.2: Representing Data
Problem 22PFA
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Step 1
Introduction
Statistics is a field which involves collection, arrangement and analysis of the data to draw meaningful insights from it.
Step 2
a.
Population Parameter | Sample Statistic |
1. It describes sample. | 1. It describes population. |
2. The numerical value can vary and it is known. | 2. The numerical value is fixed and unknown. |
3. Population mean is denoted by . | 3. Sample mean is denoted by . |
4. Population sd is denoted by . | 4. Sample sd is denoted by s. |
5. Ex: The pop. mean income is $27,000 | 5. Ex: The sample avg. weight of 10 students is 62 kg. |
Step 3
b.
Descriptive statistics | Inferential statistics |
1. It summarizes the target pop. | 1. It makes inferences from the sample and then generalizes them to the pop. |
2. The purpose is to describe the situation. | 2. The purpose is to explain the possibility of occurrence of an event. |
3. The results are in the form of tables, charts or graphs. | 3. The results are in the form of probabilities. |
4. Ex: 60% of employees are male. | 4. Ex: A CI can provide a range in which the pop. parameter is likely to fall. This information make generalization about the pop. |
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