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تحقیق آماده در مورد  آمار در قالب فایل پاورپوینت با قابلیت ویرایش 

تحقیق-آماده-در-مورد- آمار در-قالب-فایل-پاورپوینت-با-قابلیت-ویرایش 
توضیحات کوتاه و لینک دانلود
Today, in this post, for you, dear users of the Magical File website, we have prepared a research on statistics in the form of an editable PowerPoint file ready for download.

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لینک کوتاه : https://en.magicfile.ir/?p=2976
توضیحات کامل در مورد فایل

دانلود تحقیق آماده در مورد آمار در قالب فایل پاورپوینت با قابلیت ویرایش

Today, in this post, for you, dear users of the Saharamaz File website, we have prepared a ready-made research on statistics in the form of an editable PowerPoint file ready for download.

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  • عنوان: آمار چیست؟
  • فرمت: POWERPOINT پاورپونت (قابل ویرایش)
  • چاپ : بدون هیچ گونه مشکل در پرینت گرفتن
  • تعداد اسلاید: 62 اسلاید قابل ویرایش
  • زبان : فارسی

اسکرین شات تحقیق آماده در مورد آمار

Download ready-made research on statistics in the format of a PowerPoint file with the ability to edit 11

قسمتی از مطالب تحقیق در مورد آمار :

Statistics as a science examines data and information collected in different subjects. This data can be collected through surveys, scientific experiments, market research and other sources.

Statistics help us to reach accurate conclusions about various topics by analyzing these data. For example, statistics help us to analyze data collected about? A product, get results about marketing, pricing, product features and various other topics.

Statistics are divided into two categories: descriptive statistics and inferential statistics. Descriptive statistics examines and describes data in the form of mean, variance, mode, dispersion and different distributions of information. This type of statistics is mostly used to recognize and describe data.

But inferential statistics is used to draw general conclusions from observed data and also to make decisions based on observed data. This type of statistics is used for scientific research, experimental analysis, statistical modeling and risk analysis.

In statistics, probability distributions, mean, variance, sample error and other important concepts are used. Probability distributions show the probability of events occurring as a distribution function. The mean represents the middle value of the data, while the variance is an indicator of the dispersion of the data. The sample error shows the difference between the average of the sample data and the average of the total data.

آمار چیست؟
Most people are familiar with the word statistics, which is used to record and display numerical information: the number of unemployed people, the daily price of some stocks in the stock market, the number of people lost due to the spread of a disease are examples of this concept. But this concept is not consistent with the main subject of statistics. Statistics mainly deals with situations in which the occurrence of an event cannot be predicted with certainty. Statistical conclusions are often uncertain, because they are based on failure information:

Estimating the current rate of unemployment in an area based on studying a few thousand people per day, or examining a new traffic plan based on polling a number of people in an area, are examples of this issue. Other cases of uncertainty occur when repeated observations on a The phenomenon will give different results, even if we try to control the influencing factors on the phenomenon that is to be observed. For example, not all one-year pine trees have the same height, even if they are of the same seedling type and under the same light conditions. , air and soil are placed.

Statistics as a scientific subject today includes concepts and methods that are very important in all researches that require data collection through a process of testing and observation and making inferences and conclusions by analyzing these data.
تعریف آمار:
Statistics is a set of concepts and methods that are used in every field of research to collect and interpret related information and draw conclusions in conditions of uncertainty and change. The equivalent of the word statistics in English is "statistics", which historically The Latin word "status" is derived and one of the meanings of the latter word is "state".

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