"Average" Data Analysis PPT Courseware 4

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"Average" Data Analysis PPT Courseware 4

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1. The average of data 2, 3, 4, 1, and 2 is ________, and this average is called the ________ average.

2. The highest temperature statistics of a certain city in late July are as follows:

(1). Among these ten data, the weight of 34 is _____, and the weight of 32 is ______.

(2) The average maximum temperature in the city in mid-July is _____, and this average is the ________ average.

3. The average weight of the male students in Xiaoming’s class is 45kg, and the average weight of the male students in Xiaoliang’s class is 42kg. The following judgment is correct ( )

A. Xiao Ming’s weight is 45kg

B. Xiao Ming is 3kg heavier than Xiao Liang

C. Xiao Ming’s weight cannot be determined

D. Xiao Ming and Xiao Liang have the same weight

If the average of x1, x2...xn is a

(1) Then the average of the data x1+3, x2 +3…xn +3 is ________.

(2)Then the average of the data 10x1,10x2…10xn is ________.

Xiaoying's family's food expenses last year were 3,600 yuan, education expenses were 1,200 yuan, and other expenses were 7,200 yuan. The three expenditures of Xiaoying's family this year have increased by 9%, 30%, and 6% compared with last year. What is the percentage increase of Xiaoying's total expenditure this year compared with last year?

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For more information about the "Analysis of Data Average" PPT courseware, please click the "Analysis of Data PPT Average PPT" tab.

"Average" data analysis PPT teaching courseware:

"Average" data analysis PPT teaching courseware, 15 pages in total. Part One: Knowledge Points Basic Knowledge Point 1 Arithmetic mean 1. The average of a column of numbers 4,5,6,4,4,7, x is 5, then the value of x is (B) A.4 B.5 C.6 D.7 2. (Original) A set of known...

"Average" data analysis PPT download (Lesson 2):

"Average" data analysis PPT download (Lesson 2), 15 pages in total. Part 1: Calculation of type weighted average of numbers 1. 1,500 fish of a certain species were stocked in the fish pond of Lao Wang's family. After a few years, they were going to be salvaged and sold. In order to estimate the number of fish in the fish pond...

"Average" data analysis PPT download (Lesson 1):

"Average" data analysis PPT download (Lesson 1), 24 pages in total. The first part of the content: Learning objectives Arithmetic mean Weighted average (weight expressed in proportion or percentage) ... ... ... Average PPT, the second part of the content: Understanding new knowledge Knowledge points...

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Update Time: 2024-09-08

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

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