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№1 слайд![Descriptive Statistics](/documents_6/699f05e383b276a777ec98c13d933894/img0.jpg)
Содержание слайда: Descriptive Statistics
№2 слайд![Section .](/documents_6/699f05e383b276a777ec98c13d933894/img1.jpg)
Содержание слайда: Section 2.1
№3 слайд![Frequency Distributions](/documents_6/699f05e383b276a777ec98c13d933894/img2.jpg)
Содержание слайда: Frequency Distributions
102 124 108 86 103 82
71 104 112 118 87 95
103 116 85 122 87 100
105 97 107 67 78 125
109 99 105 99 101 92
№4 слайд![Frequency Distributions](/documents_6/699f05e383b276a777ec98c13d933894/img3.jpg)
Содержание слайда: Frequency Distributions
№5 слайд![Frequency Distributions](/documents_6/699f05e383b276a777ec98c13d933894/img4.jpg)
Содержание слайда: Frequency Distributions
№6 слайд![Construct a Frequency](/documents_6/699f05e383b276a777ec98c13d933894/img5.jpg)
Содержание слайда: Construct a Frequency Distribution
№7 слайд![Other Information](/documents_6/699f05e383b276a777ec98c13d933894/img6.jpg)
Содержание слайда: Other Information
№8 слайд![Frequency Histogram](/documents_6/699f05e383b276a777ec98c13d933894/img7.jpg)
Содержание слайда: Frequency Histogram
№9 слайд![Frequency Histogram](/documents_6/699f05e383b276a777ec98c13d933894/img8.jpg)
Содержание слайда: Frequency Histogram
№10 слайд![Relative Frequency Histogram](/documents_6/699f05e383b276a777ec98c13d933894/img9.jpg)
Содержание слайда: Relative Frequency Histogram
№11 слайд![Relative Frequency Histogram](/documents_6/699f05e383b276a777ec98c13d933894/img10.jpg)
Содержание слайда: Relative Frequency Histogram
№12 слайд![Frequency Polygon](/documents_6/699f05e383b276a777ec98c13d933894/img11.jpg)
Содержание слайда: Frequency Polygon
№13 слайд![Frequency Polygon](/documents_6/699f05e383b276a777ec98c13d933894/img12.jpg)
Содержание слайда: Frequency Polygon
№14 слайд![Ogive](/documents_6/699f05e383b276a777ec98c13d933894/img13.jpg)
№15 слайд![Ogive](/documents_6/699f05e383b276a777ec98c13d933894/img14.jpg)
№16 слайд![Section .](/documents_6/699f05e383b276a777ec98c13d933894/img15.jpg)
Содержание слайда: Section 2.2
№17 слайд![Stem-and-Leaf Plot](/documents_6/699f05e383b276a777ec98c13d933894/img16.jpg)
Содержание слайда: Stem-and-Leaf Plot
102 124 108 86 103 82
71 104 112 118 87 95
103 116 85 122 87 100
105 97 107 67 78 125
109 99 105 99 101 92
№18 слайд![Stem-and-Leaf Plot](/documents_6/699f05e383b276a777ec98c13d933894/img17.jpg)
Содержание слайда: Stem-and-Leaf Plot
6 |
7 |
8 |
9 |
10 |
11 |
12 |
№19 слайд![Stem-and-Leaf Plot](/documents_6/699f05e383b276a777ec98c13d933894/img18.jpg)
Содержание слайда: Stem-and-Leaf Plot
6 | 7
7 | 1 8
8 | 2 5 6 7 7
9 | 2 5 7 9 9
10 | 0 1 2 3 3 4 5 5 7 8 9
11 | 2 6 8
12 | 2 4 5
№20 слайд![Stem-and-Leaf with two lines](/documents_6/699f05e383b276a777ec98c13d933894/img19.jpg)
Содержание слайда: Stem-and-Leaf with two lines per stem
6 | 7
7 | 1
7 | 8
8 | 2
8 | 5 6 7 7
9 | 2
9 | 5 7 9 9
10 | 0 1 2 3 3 4
10 | 5 5 7 8 9
11 | 2
11 | 6 8
12 | 2 4
12 | 5
№21 слайд![Dot Plot](/documents_6/699f05e383b276a777ec98c13d933894/img20.jpg)
Содержание слайда: Dot Plot
№22 слайд![Pie Chart Circle Graph Used](/documents_6/699f05e383b276a777ec98c13d933894/img21.jpg)
Содержание слайда: Pie Chart / Circle Graph
Used to describe parts of a whole
Central Angle for each segment
№23 слайд![Pie Chart](/documents_6/699f05e383b276a777ec98c13d933894/img22.jpg)
Содержание слайда: Pie Chart
№24 слайд![Pareto Chart](/documents_6/699f05e383b276a777ec98c13d933894/img23.jpg)
Содержание слайда: Pareto Chart
№25 слайд![Scatter Plot](/documents_6/699f05e383b276a777ec98c13d933894/img24.jpg)
Содержание слайда: Scatter Plot
№26 слайд![Time Series Chart Line Graph](/documents_6/699f05e383b276a777ec98c13d933894/img25.jpg)
Содержание слайда: Time Series Chart / Line Graph
№27 слайд![Section .](/documents_6/699f05e383b276a777ec98c13d933894/img26.jpg)
Содержание слайда: Section 2.3
№28 слайд![Measures of Central Tendency](/documents_6/699f05e383b276a777ec98c13d933894/img27.jpg)
Содержание слайда: Measures of Central Tendency
Mean: The sum of all data values divided by the number of values
For a population: For a sample:
№29 слайд![An instructor recorded the](/documents_6/699f05e383b276a777ec98c13d933894/img28.jpg)
Содержание слайда: An instructor recorded the average number of absences for his students in one semester. For a random sample the data are:
An instructor recorded the average number of absences for his students in one semester. For a random sample the data are:
№30 слайд![An instructor recorded the](/documents_6/699f05e383b276a777ec98c13d933894/img29.jpg)
Содержание слайда: An instructor recorded the average number of absences for his students in one semester. For a random sample the data are:
An instructor recorded the average number of absences for his students in one semester. For a random sample the data are:
№31 слайд![Suppose the student with](/documents_6/699f05e383b276a777ec98c13d933894/img30.jpg)
Содержание слайда: Suppose the student with 40 absences is dropped from the course. Calculate the mean, median and mode of the remaining values. Compare the effect of the change to each type of average.
Suppose the student with 40 absences is dropped from the course. Calculate the mean, median and mode of the remaining values. Compare the effect of the change to each type of average.
№32 слайд![Suppose the student with](/documents_6/699f05e383b276a777ec98c13d933894/img31.jpg)
Содержание слайда: Suppose the student with 40 absences is dropped from the course. Calculate the mean, median and mode of the remaining values. Compare the effect of the change to each type of average.
Suppose the student with 40 absences is dropped from the course. Calculate the mean, median and mode of the remaining values. Compare the effect of the change to each type of average.
№33 слайд![Shapes of Distributions](/documents_6/699f05e383b276a777ec98c13d933894/img32.jpg)
Содержание слайда: Shapes of Distributions
№34 слайд![](/documents_6/699f05e383b276a777ec98c13d933894/img33.jpg)
№35 слайд![](/documents_6/699f05e383b276a777ec98c13d933894/img34.jpg)
№36 слайд![](/documents_6/699f05e383b276a777ec98c13d933894/img35.jpg)
№37 слайд![](/documents_6/699f05e383b276a777ec98c13d933894/img36.jpg)
№38 слайд![Section .](/documents_6/699f05e383b276a777ec98c13d933894/img37.jpg)
Содержание слайда: Section 2.4
№39 слайд![Two Data Sets](/documents_6/699f05e383b276a777ec98c13d933894/img38.jpg)
Содержание слайда: Two Data Sets
№40 слайд![Two Data Sets](/documents_6/699f05e383b276a777ec98c13d933894/img39.jpg)
Содержание слайда: Two Data Sets
№41 слайд![Measures of Variation](/documents_6/699f05e383b276a777ec98c13d933894/img40.jpg)
Содержание слайда: Measures of Variation
№42 слайд![Measures of Variation](/documents_6/699f05e383b276a777ec98c13d933894/img41.jpg)
Содержание слайда: Measures of Variation
№43 слайд![](/documents_6/699f05e383b276a777ec98c13d933894/img42.jpg)
№44 слайд![Population Variance](/documents_6/699f05e383b276a777ec98c13d933894/img43.jpg)
Содержание слайда: Population Variance
№45 слайд![Population Standard Deviation](/documents_6/699f05e383b276a777ec98c13d933894/img44.jpg)
Содержание слайда: Population Standard Deviation
№46 слайд![Sample Variance and Standard](/documents_6/699f05e383b276a777ec98c13d933894/img45.jpg)
Содержание слайда: Sample Variance and Standard Deviation
№47 слайд![Interpreting Standard](/documents_6/699f05e383b276a777ec98c13d933894/img46.jpg)
Содержание слайда: Interpreting Standard Deviation
№48 слайд![Summary](/documents_6/699f05e383b276a777ec98c13d933894/img47.jpg)
Содержание слайда: Summary
№49 слайд![Empirical Rule - - . Data](/documents_6/699f05e383b276a777ec98c13d933894/img48.jpg)
Содержание слайда: Empirical Rule (68-95-99.7%)
Data with symmetric bell-shaped distribution have the following characteristics.
№50 слайд![Using the Empirical Rule The](/documents_6/699f05e383b276a777ec98c13d933894/img49.jpg)
Содержание слайда: Using the Empirical Rule
The mean value of homes on a certain street is $125,000 with a standard deviation of $5,000.
The data set has a bell shaped distribution.
Estimate the percent of homes between $120,000 and $135,000.
№51 слайд![Using the Empirical Rule The](/documents_6/699f05e383b276a777ec98c13d933894/img50.jpg)
Содержание слайда: Using the Empirical Rule
The mean value of homes on a certain street is $125,000 with a standard deviation of $5,000. The data set has a bell shaped distribution. Estimate the percent of homes between $120,000 and $135,000.
№52 слайд![Chebychev s Theorem For any](/documents_6/699f05e383b276a777ec98c13d933894/img51.jpg)
Содержание слайда: Chebychev’s Theorem
For any distribution regardless of shape the portion of data lying within k standard deviations (k > 1) of the mean is at least 1 – 1/k2.
№53 слайд![Chebychev s Theorem](/documents_6/699f05e383b276a777ec98c13d933894/img52.jpg)
Содержание слайда: Chebychev’s Theorem
№54 слайд![Chebychev s Theorem](/documents_6/699f05e383b276a777ec98c13d933894/img53.jpg)
Содержание слайда: Chebychev’s Theorem
№55 слайд![Standard Deviation of Grouped](/documents_6/699f05e383b276a777ec98c13d933894/img54.jpg)
Содержание слайда: Standard Deviation of Grouped Data
№56 слайд![Estimates with Classes](/documents_6/699f05e383b276a777ec98c13d933894/img55.jpg)
Содержание слайда: Estimates with Classes
№57 слайд![Section .](/documents_6/699f05e383b276a777ec98c13d933894/img56.jpg)
Содержание слайда: Section 2.5
№58 слайд![Quartiles](/documents_6/699f05e383b276a777ec98c13d933894/img57.jpg)
Содержание слайда: Quartiles
№59 слайд![Quartiles](/documents_6/699f05e383b276a777ec98c13d933894/img58.jpg)
Содержание слайда: Quartiles
№60 слайд![Finding Quartiles](/documents_6/699f05e383b276a777ec98c13d933894/img59.jpg)
Содержание слайда: Finding Quartiles
№61 слайд![Interquartile Range IQR](/documents_6/699f05e383b276a777ec98c13d933894/img60.jpg)
Содержание слайда: Interquartile Range (IQR)
№62 слайд![Box and Whisker Plot](/documents_6/699f05e383b276a777ec98c13d933894/img61.jpg)
Содержание слайда: Box and Whisker Plot
№63 слайд![Percentiles](/documents_6/699f05e383b276a777ec98c13d933894/img62.jpg)
Содержание слайда: Percentiles
№64 слайд![Percentiles](/documents_6/699f05e383b276a777ec98c13d933894/img63.jpg)
Содержание слайда: Percentiles
№65 слайд![Standard Scores](/documents_6/699f05e383b276a777ec98c13d933894/img64.jpg)
Содержание слайда: Standard Scores
№66 слайд![Standard Scores](/documents_6/699f05e383b276a777ec98c13d933894/img65.jpg)
Содержание слайда: Standard Scores
№67 слайд![Calculations of z-Scores](/documents_6/699f05e383b276a777ec98c13d933894/img66.jpg)
Содержание слайда: Calculations of z-Scores
№68 слайд![Standard Scores](/documents_6/699f05e383b276a777ec98c13d933894/img67.jpg)
Содержание слайда: Standard Scores