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Biased sample: A sample drawn in such a way that one or more parts of the populationare  favored by others

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5# summary
Max : 8
Q3 : 7
Med : 4.5
Q1 : 1
Min : 1

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A biased example is a rigged example

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An unbiased sample is selected so that it is accurately represents the entire population.

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when It asked you if it is valid or not you the words baiesd and unbiased should come up

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A biased sample is one or mare parts of the population are favored over others.

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Convenience Sample: A convenience sample consists of members of the population that are easily accessed.

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Use this for extra practice

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Words to study

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Sample is a part of the group your studying

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Population is the whole group you are studying

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Statistics involve collecting, organizing and interpreting data.

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This is a bar graph

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What is the range of 10, 14, 17 And 81

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Cluster: data grouped closely together.

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Median = 3.5 Q1 = 3 Q3 = 4.5 Max = 6 Min = 2

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This is a line plot/dot plot

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19,10,20,77,And 12

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This is a box plot

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Symmetric: left and right of the distribution look similar.

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The median is the middle number of a data set
1234567
The median for this data set is 4

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Q3 is 7 and Q1 is 3 did anyone else get this

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Line plot: shows how many times each number occurs in the data

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Bar graph: shows the number of items in a specific category.

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Make a histogram

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Find the mean
1,7,24,19,1,0,98,12,16,

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line plot mostly is used to find the mode

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Frequency table are used to mostly find frequency

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Box plot is 5 number summary laid out on a line

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A line graph shows change over a period of time.

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7 peaks

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Range is the difference between the biggest number and the smallest number

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A histogram shows frequency of data divided into equal intervals.

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5

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How many peaks...... Aya.

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3,5,8,9,10,10
To find the IQR you first find the median which is 8.5 and then you find the Q1 and Q3 which are 5 and 10and then you subtract Q1 from Q3 and you get 5 and that is the IQR

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5,7,8,13,40 the five number summary the Do you find the outlier we have to find the IQ are want to be fine I QR are then we can subtract Q1 from Q3

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GAP is a gap in data

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Mode:5

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døt pløts

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Cluster is data grouped close together

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MAD is the distance between the median and the numbers in the data set

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3 peaks

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What is the mode of 5,2,6,3,5,7,5,2,6,8,5

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What is the Q1 of 10 3 5 And 18

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3 peaks

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5,6,7,8,9,20
The outlier for this data is 20 because it is really far away from all the others
How to find the outlier is you first find the IQR. Then you times the IQR by 1.5. Then you subtract Q1 with that number and add Q3 to the number. That is the range and for this data is 1.5 and 13.5 so 20 is an outlier

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I.Q.R is the range of the 3rd and 1st quartiles.

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How many peaks

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The mean is when you add up all the numbers and divide by the number of numbers

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What is the mean of 29, 30, 21, 15 And 30

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5 Number summary is The minimum, Q1, Median, Q3, maximum

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The 5# summary is the minimum, 1st quartile, median, 3rd quartile, and maxim.

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112233445566778899
Find Q3 and Q1

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What is the Range of 10, 15, 18, 30, 20, And 10

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measures of center are used to find the center of the data set

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How much someone is scoring per game is a statistic

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Find the 5 # summery
546785463211

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Statistics are things like line plots, histograms and box plots

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Histograms are used mostly to find intervals

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Mean median and mode

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A histogram is a math thing

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Mean ,median ,mode, outliers, interquartile range, Q1,Q3, box plots, line plots, histograms,MAD, max, min.