"Median and Mode" Data Analysis PPT

Description

"Median and Mode" data analysis PPT, 27 pages in total.

Part One: Learning Objectives

1. Master the meaning of median and mode. (emphasis)

2. Be able to make preliminary judgments on the data based on the differences between the mean, median and mode. (difficulty)

Median and mode PPT, part 2: teaching new lessons

Median and Mode

Thoughts: Ah Q recalled his job search experience after graduating from college ten years ago. He began to want to find a job with a monthly salary of more than 1,700. That day he saw a recruitment advertisement at the door of Sanmao Company, which read: We are looking for an employee due to business needs. , interested parties are welcome to apply. At that time Ah Q walked in...

Definition of median and mode:

Generally, n data are arranged in order of size, and the data in the middle (or the average of the two middle data) is called the median of this set of data.

We call the data that appears most frequently in a set of data the mode of this set of data.

Median and Mode PPT, Part 3: Practice in class

1. The monthly salary statistics of 56 employees in a company are as follows:

Monthly salary/yuan 5000 4000 2000 1000 600 500

Number of people 1 2 5 12 30 6

Find the mean, median and mode of the company’s employees’ monthly wages

2. If the mode of data 80, 81, 79, 68, 75, 78, x, 82 is 81, then ( )

A.x=79 B.x=80 C.x=81 D.x=82

3. During the "Eleventh Day" Golden Week, the statistics of the number of people traveling to the mountains every day during the seven-day holiday in a certain scenic spot are as follows: The median and mode are ( ) respectively.

A.1.2, 2 B.2, 2.5 C.2, 2 D.1.2, 2.5

Median and Mode PPT, Part 4: Class Summary

Median: The middle number, or the average of the two middle numbers.

Mode: The number that occurs most often.

Characteristics of mean, median, and mode: The mean is the most commonly used indicator, which represents the "general level", the median represents the "moderate level", and the mode represents the "majority level".

Keywords: Beijing Normal University edition eighth grade mathematics PPT courseware free download, median and mode PPT download, data analysis PPT download, .PPT format;

For more information about the "Data Analysis Median and Mode" PPT courseware, please click the Data Analysis PPT Median and Mode PPT tab.

"Median and Mode" data analysis PPT teaching courseware:

"Median and Mode" data analysis PPT teaching courseware, 14 pages in total. Part One: Knowledge Points Basic Knowledge Point 1 Median 1. A set of 6 numbers: 15, 16, 18, 20, 22, 22, then the median of this set of data is (C) A.22 B. 20 C.19 D.18 2.1..

"Median and Mode" data analysis PPT download:

"Median and Mode" data analysis PPT download, 20 pages in total. The first part of the content: Learning target median mode... ... ... Median and mode PPT, the second part of the content: Understanding new knowledge points Median 1. Definition: Generally, n numbers ..

"Median and Mode" Data Analysis PPT Courseware 3:

"Median and Mode" Data Analysis PPT Courseware 2 Review Introduction What is the median? 1. Median: Arrange a set of data in order from small to large (or large to small), then the number in the middle is the median of this set of data; if the data...

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Update Time: 2024-09-29

This template belongs to Mathematics courseware Beijing Normal University Edition Eighth Grade Mathematics Volume 1 industry PPT template

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