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Summary Statistics & Box Plots 2025 EXAM box plot - CORRECT ANSWERSA graph that displays the highest and lowest quarters of data as whiskers, the middle two quarters of the data as a box, and the median lower quartile - CORRECT ANSWERSThe median of the
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---1april 20252024/2025A+
- Summary Statistics & Box Plots 2025 
EXAM 
box plot - CORRECT ANSWERSA graph that displays the highest and lowest quarters 
of data as whiskers, the middle two quarters of the data as a box, and the median 
lower quartile - CORRECT ANSWERSThe median of the lower half of a set of data. 
Median - CORRECT ANSWERSthe middle score in a distribution; half the scores are 
above it and half are below it 
upper quartile - CORRECT ANSWERSThe median of the upper half of a set of data. 
Outlier - CORRECT...
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ericmunenewarui
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Stats Practice Test Exam Questions And Answers ( Verified And Updated )
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--3juni 20242023/2024A+Beschikbaar in een bundel
- Stats Practice Test Exam Questions And 
Answers ( Verified And Updated ) 
If one wanted to calculate summary statistics for salaries at a large company where there are 
many people with modest salaries and a few with very high salaries, which would be the most 
appropriate measures of center and spread? 
a. median and IQR 
b. Mean and IQR 
c. Mode and Range 
d. Mean and Standard Deviation - answera 
Mr. Jones' class of 32 students had a mean score of 72.4% while Mr. Roberts' class of 29 
stude...
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sirjoel
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Statistics Exam Questions With 100% Correct Answers
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--1juni 20242023/2024A+Beschikbaar in een bundel
- Statistics Exam Questions With 100% 
Correct Answers 
35 - answerWhat is the IQR (Q3-Q1) for this data set: 52, 72, 96, 21, 58, 40, 75? 
40 - answerWhat is Q1 for this data set: 52, 72, 96, 21, 58, 40, 75? 
75 - answerWhat is Q3 for this data set: 52, 72, 96, 21, 58, 40, 75? 
58 - answerWhat is the median for this data set: 52, 72, 96, 21, 58, 40, 75? 
4 - answerWhat is the IQR (Q3-Q1) for this data
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sirjoel
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Statistics Summary Ch 4 Exam With Complete Solutions
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--3juni 20242023/2024A+Beschikbaar in een bundel
- Statistics Summary Ch 4 Exam With 
Complete Solutions 
Mean - answerThe arithmetic average of a data set. Most common measure of central 
location. 
To calculate the mean - answerAdd up all the values in the data set and then divide by the 
number of observations. 
Notation - answerseries or system of written symbols used to represent numbers, amounts, or 
elements in something such as music or mathematics. 
Numerical summaries of shape are - answernot covered because they are seldom used in 
pr...
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sirjoel
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Intro to Summary Statistics Exam With Complete Solutions
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--2juni 20242023/2024A+Beschikbaar in een bundel
- Intro to Summary Statistics Exam With 
Complete Solutions 
summary statistics - answercollection, evaluation, and interpretation of data, statistical 
analysis of measurements can verify the quality of a design process 
central tendency - answermean, median, mode 
Variation - answerspread of values around the center 
range, standard deviation, IOR - answerexamples of variation 
distribution - answersummary of the frequency of values 
frequency tables, histograms, normal distribution - answerexam...
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sirjoel
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Summary statistics Exam Questions With 100% Correct Answers
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--3juni 20242023/2024A+Beschikbaar in een bundel
- Summary statistics Exam Questions 
With 100% Correct Answers 
Summary statistics - answer- The first thing you want to do in Data analysis 
- describe data sets or relationships between variables with one or a few numbers: 
- What is the central value? 
- How widely are values spread from the center? 
- Are there data that are very atypical? 
- Are variables related? 
Why central tendency? - answer- You can't report the 1000 values to your boss! 
- Describe a whole set of data with a single val...
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sirjoel
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STA2023: Summary Statistics Exam Questions And Answers ( Verified And Updated )
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--4juni 20242023/2024A+Beschikbaar in een bundel
- STA2023: Summary Statistics Exam 
Questions And Answers ( Verified And 
Updated ) 
A number that arises from a set or sample of data is a what? - answerStatistic 
R = range = ? - answermax - min 
IQR = Interquartile Range = ? - answerQ3 - Q1 
Lower Fence = ? - answerQ1 - (1.5 * IQR) 
Upper Fence = ? - answerQ3 + (1.5 * IQR) 
x-bar = ? - answerAverage/mean 
Σx = ? - answerTotal value 
Σx^2 = ? - answerTotal squares 
Sx = ? - answerSample standard deviation 
σx = ? - answerPopulation standard d...
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sirjoel
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STA 2023: Lecture 3 Summary Statistics Exam Questions And Answers ( Verified And Updated )
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--2juni 20242023/2024A+Beschikbaar in een bundel
- STA 2023: Lecture 3 Summary Statistics 
Exam Questions And Answers ( Verified And 
Updated ) 
objectives of summary statistics - answer-measuring center: mean and median 
-measuring spread: Quartiles 
-measuring spread: standard deviation 
-choosing measures of center and spread 
mean (arithmetic average) - answerthe most common measure of center 
-to find, add the values and divide by the number of observations 
-cannot resist the influence of extreme observations 
(add values and divide by the...
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sirjoel
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Summary Statistics Exam Questions And Answers ( Verified And Updated )
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--2juni 20242023/2024A+Beschikbaar in een bundel
- Summary Statistics Exam Questions And 
Answers ( Verified And Updated ) 
Standard Deviation - answerThe average distance that each value in a data set is away from 
the mean 
Variance - answerAverage squared deviations from the mean 
Range - answerThe difference between the maximum value and the minimum value of a data 
set 
What does a low standard deviation indicate about a data set as opposed to a high standard 
deviation? - answerA low standard deviation indicates the values in a data set te...
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sirjoel