Quartiles Study guides, Class notes & Summaries
Looking for the best study guides, study notes and summaries about Quartiles? On this page you'll find 406 study documents about Quartiles.
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MATH 112 Shape of the Distribution
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Department of Mathematics and Natural Sciences 
Shape of the Distribution 1/1 
Measures of Shape 
Skewness measures the deviation from the symmetry. 
SK = 3(µ median) 
 
(1) 
SK = 3(¯x median) 
s (2) 
Example 
The scores of the students in the Prelim Exam has a 
median of 18 and a mean of 16. What does this indicate 
about the shape of the distribution of the scores? 
Math031 - Mathematics in the Modern World 2 
Boxplot 
A boxplot is also called a box - and - whisker plot. It 
is a graphical...
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WPC 300 FINAL EXAM| 100 Questions| With Complete Solutions
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Which of the following describes the standard deviation? correct answer: It is the square root of the variance. 
 
When two variables are highly positively correlated, the correlation coefficient will be _______. correct answer: close to 1 
 
According to statistical notation, what does ∑ stand for? correct answer: to act as a summation operator 
 
The ________ is the observation that occurs most frequently. correct answer: mode 
 
The difference between the first and third quartiles is re...
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QMB 3200 Final Exam Bliss Questions & Answers 100% Accurate!
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Excel's __________ can be used to construct a cross tabulation. 
 
Answers: 
a. COUNTIF function 
b. SUM function 
c. PivotTable Report 
d. Chart Tools - ANSWERSC. PivotTable Report 
 
To construct a pie chart using Excel's Chart Tools, choose __________ as the chart type. 
 
Answers: 
a. line 
b. column 
c. scatter 
d. pie - ANSWERSd. pie 
 
Excel's __________ function can be used to compute the sample covariance. 
 
Answers: 
a. COVARIANCE.S 
b. VAR 
c. CORREL 
d. MAX - ANSWERSa. COVARIA...
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statistics exam 1 study guide ( chapters 1-4)Questions & Answers GRADED A)
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(Range, interquartile range, variance and standard deviation, Z-scores/Outliners) -ANSWER variation 
 
(Skewness & Kurtosis) -ANSWER shape 
 
Mean 
Median 
Mode 
Midrange 
Quartiles -ANSWER central tendency 
 
The average of the smallest and largest observations in a set of data -ANSWER midrange 
 
(Xsmallest+Xlargest)/2 -ANSWER midrange 
 
Obtain measures that divide a distribution or data set into quarters -ANSWER quartiles 
 
(N+1)/4 -ANSWER Q1 
 
2(n+1)/4 -ANSWER Q2 
 
3(n+1)/4 -ANSWER Q3 
 ...
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WPC 300 Final Exam Questions & Answers 2023/2024
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WPC 300 Final Exam Questions & Answers 2023/2024 
 
 
For a normal distribution mean is _______ to median. 
-not equal 
-greater than 
-equal 
-less than - ANSWER-equal 
 
Which of the following describes a positively skewed histogram? 
-a histogram with large kurtosis 
-a histogram for which mean and mode values are the same. 
-a histogram that tails off towards the right 
-a histogram that has no fluctuation in mass - ANSWER--a histogram that tails off towards the right 
 
Which of the followi...
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Review Final Exam for WPC 300 2024/2025 questions with A-graded answers
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Review Final Exam for WPC 300 
2024/2025 questions with A-graded 
answers 
Which of the following describes the standard deviation? - CORRECT ANSWER-It is 
the square root of the variance. 
When two variables are highly positively correlated, the correlation coefficient will be 
_______. - CORRECT ANSWER-close to 1 
According to statistical notation, what does ∑ stand for? - CORRECT ANSWER-to act 
as a summation operator 
The ________ is the observation that occurs most frequently. - CORR...
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QMB 3200 Actual Exam with Questions and Answers|100% Solution
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The standard deviation of a point estimator is the - standard error 
Cluster sampling is - a probability sampling method 
The interquartile range is the difference between the - first and third quartiles 
A __________ can be used to graphically present quantitative data. - both a histogram and a 
stem-and-leaf display are correct
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GED Math Study Guide Practice Exam 2024
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GED Math Study Guide Practice Exam 2024 
Box plot - ANSWER a way of graphically depicting groups of numerical data through their quartiles 
 
Consecutive - ANSWER one following the other, for example, 19 and 20 are consecutive numbers 
 
Data - ANSWER a collection of facts, such as numbers, words, measurements, observations or even just descriptions of things 
 
Dot plot - ANSWER a graphical display of data using dots 
 
Event - ANSWER a set of possible outcomes resulting from a particular exper...
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UCF QMB 3200 Final Exam Verified Questions with Correct Answers Graded A+
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UCF QMB 3200 Final Exam Verified Questions with Correct Answers Graded A+ 
Categorical Data 
Uses categories with specified characteristics. 
Ratio Data 
are continuous and have a natural zero point. Most business and economic data, such as dollars and time, fall into this category. Age, length of residency/time. 
Ordinal Data 
Can be ordered or ranked according to some relationship. Examples: Overall Satisfaction, Quality of Schools, Sport Rankings. 
Interval Data 
Interval data are ordinal but...
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AP Stat - Chapters 1-4 - Multiple Choice - Cumulative Test 2023/2024 already passed
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AP Stat - Chapters 1-4 - Multiple Choice - Cumulative Testthe following histogram represents the distribution of acceptance rates (% accepted) among 25 business schools in 1997, what % of schools have an acceptance rate above 40% - correct answer know how to read a histogram (variable vs. freq, fraction -> %) 
 
you want to use numerical summaries to describe a distribution that is strongly skewed to the left, which combination of measure of center and spread would be the best to use (mean an...
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