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Measures of Variability
Page 2
Questions (205)
What is the mean absolute deviation (MAD) for the following set of data? (2, 5, 7, 1, 2)
A. 3.4 B. 2 C.2.08 D. 5
3 answers
asked by
helooo
865 views
9) A specific score in a distribution of data minus the mean and divided by the standard deviation produces a value known as
3 answers
asked by
Linda
646 views
Calculate SS, variance, and standard deviation for the following sample of n=9 scores:2,0,0,0,0,2,0,2,0.(Note: The computational
4 answers
asked by
Tracy
1,227 views
Describe a scenario where you expect a set of data to have
A.) a large standard deviation B.) a small standard deviation The
3 answers
asked by
Jenny
2,117 views
2,2.5,3,3.5,4
Analyze Data Shape and Context Quick Check 3 of 53 of 5 Items Question Use the image to answer the question. For
4 answers
asked by
//////////////////////////////////////////////////
74 views
Analyze Data Shape and Context Quick Check
3 of 53 of 5 Items Question Use the image to answer the question. A number line ranges
4 answers
asked by
//////////////////////////////////////////////////
61 views
Which measure of variability—range or IQR—best describes the spread of the dataset?
For a statistics assignment, Shayna
2 answers
asked by
unkown
89 views
The job coordinator at Martin Luther King Magnet School surveyed 16-year old students on their hourly wages (in $) for their
4 answers
asked by
Muntasir Zarif
104 views
Miniature golf scores for a group of friends follows:
30, 32, 36, 40, 44, 45, 46, 48, 55, 58, 59, 60, 76, 82, 90 Which measure of
2 answers
asked by
Muntasir Zarif
70 views
Analyze Data Shape and Context Quick Check
3 of 53 of 5 Items Question Use the image to answer the question. A number line ranges
2 answers
asked anonymously
87 views
Which measure of variability—range or IQR—best describes the spread of the dataset?
For a statistics assignment, Shayna
2 answers
asked anonymously
67 views
Which measure of variability—range or IQR—best describes the spread of the dataset?
Social studies group project grades (out
2 answers
asked by
no name
88 views
Which measure of variability—range or IQR—best describes the spread of the dataset?
For a statistics assignment, Shayna
2 answers
asked by
???
61 views
What is the mean absolute deviation of the following dataset: 4.8, 5.9, 6.2, 10.8, 1.2, 6.4? Round the answer to the nearest
4 answers
asked by
Muntasir Zarif
49 views
Use the image to answer the question.
A number line ranges from 2 to 9.5 in increments of 0.5. A boxplot is placed above the
2 answers
asked anonymously
41 views
Question
Maria surveyed girls on the amount (in $) they spent on a dress for the middle school spring fling: 79, 79, 79, 82, 84,
2 answers
asked anonymously
54 views
Which measure of variability—range or IQR—best describes the spread of the dataset?
Social studies group project grades (out
2 answers
asked anonymously
53 views
What is the sum of the absolute deviations in the following dataset: 68, 51, 75, 78, 94, 35?
2 answers
asked anonymously
50 views
Which measure of variability—range or IQR—best describes the spread of the dataset?
Social studies group project grades (out
2 answers
asked by
andrew michal mcmahon
67 views
why might s be more commonly used than s squared as a measure of variability?
1 answer
asked by
Anonymous
376 views
Explain what it means to have a deviation score of -18
1 answer
asked by
Matt
324 views
73 72 67 74 78 84 79 71 76 76
79 81 75 80 78 76 78 In terms of differences in heart rates, interpret these data using the
1 answer
asked by
melissa
355 views
What is the best measure to describe the total variability in a population or sample?
1 answer
asked by
Dany
305 views
The "standard deviation of the sample score" divided by the "square root of the sample size" is the formula for computing the
2 answers
asked by
Stacie
1,034 views
What explains the difference between the propagated uncertainty and the standard
deviation?
1 answer
asked by
Nour
337 views
A population has a standard deviation ó of 28 units. (Give your answers correct to two decimal places.)
(a) Find the standard
1 answer
asked by
Sue 71
946 views
If Professor Wilson found that the test scores of his students had a variance of 4.4, what is the standard deviation? Type a
3 answers
asked by
racquel
1,002 views
Why must you square the deviation scores when computing a standard deviation using the definitional formula?
Why is the
1 answer
asked by
kelly
433 views
how do i find the standard deviation and sample variance for $7448, $4911, $9051, $6374, $4227
1 answer
asked by
amirah
311 views
12) Suppose you know that the standard deviation of a variable is 10, and you have 100 observations, the standard deviation of
1 answer
asked by
Alyson
394 views
a population of n = 100 score has u = 30 and standard deviation =4 what is the population variance
2 answers
asked by
mary
751 views
find sample variance and standard deviation.8,45,16,50,34,25,32,31,30,27.s^2=
1 answer
asked by
chelsea
352 views
220514130014401434210 find the variance
1 answer
asked by
Dianne
266 views
TUTORIAL ACTIVITY
1. What are the 4 main measures of variability? Define each. State when you will use them. 2. Professor Dublin
1 answer
asked anonymously
41 views
Why are measures of variability essential to inferential statistics?
1 answer
asked by
jean
423 views
does anyone know anyting about standard deviation...
I have no idea what it is! http://en.wikipedia.org/wiki/Standard_deviation
1 answer
asked by
Kaz
464 views
What is the coefficient of variation and how do I calculate it from a dataset?
coefficient of variation is simply the standard
1 answer
asked by
weldon
467 views
For a set of scores, will the interquartile range always be
less than the range? Explain your answer with an example.
5 answers
asked by
Anonymous
949 views
Find the standard deviation of the data set to the nearest tenth:
(21, 13, 18, 16, 13, 35, 12, 8, 15) Answer: 16.8 thanks
2 answers
asked by
Lucy
566 views
An animal trainer obtained the following sample data (Table A) in a study of reaction times of dogs (in seconds) to a specific
2 answers
asked by
Anonymous
759 views
what is the standard deviation if 12 randomly chosen students were asked how many times they had missed class during a certain
2 answers
asked by
clemencia
895 views
{-1, 0, 1, 2, -1, 0, 1, 2, -1, 0, 1, 2, 1, 1, -2} I need to find the standard deviation of this set of numbers please help!!!
2 answers
asked by
Anna
642 views
If the average number of textbooks is 16, the standard deviation is 5, and the average age of a professors is 43, with a
2 answers
asked by
ann
670 views
Find the standard deviation for the given data. Round your answer to one more decimal place than the original data.
10) {15, 13,
2 answers
asked by
Anonymous
633 views
The following data represents the percentage of family income allocated to groceries for a sample of 50 shoppers
Table 3
3 answers
asked by
jr
632 views
What is the mean absolute deviation of the following data set?
{5,12, 14, 18}
1 answer
asked by
llc
27 views
Here is the height, in inches, of 10 randomly selected members of the girls' dance team and 10 randomly selected of the girls'
2 answers
asked by
Liz
531 views
What is the Mean Absolute Deviation of the following set
{2, 10, 7, 12, 8} 7.8 2.64 5 13.2 ... ...
1 answer
asked anonymously
17 views
What is the Mean Absolute Deviation of the following set
{3, 8, 1, 5, 6} 4.6 10.4 5 2.08
1 answer
asked anonymously
13 views
Which measure of variability—range or IQR—best describes the spread of the dataset?
For a statistics assignment, Shayna
1 answer
asked by
Sunshine124
60 views
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Parent Categories (11)
Data Analysis
Data Analysis & Probability
Data Analysis and Interpretation
Data Analysis or Statistics
Descriptive Statistics
Inferential Statistics
Mathematics
Measurement and Data Analysis
Statistical Measures
Statistics
Statistics and Data Analysis