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Measures of Dispersion
Page 2
Questions (163)
Suppose the standard deviation is 13.1. What is the variance?
2 answers
asked by
sandra
503 views
The weights (in pounds) of a sample of five boxes being sent by UPS are: 12, 6, 7, 3, and 10.
a. Compute the range. b. Compute
4 answers
asked by
Dan
1,414 views
if the mean is 10,000 and the standard deviation is 10 what is the variance?
2 answers
asked by
azima
27 views
Raina is recording the percentages she earned on each quiz in her math class. Here are her results for the last
89,82,73,86,89,68
2 answers
asked by
Butterball
49 views
Analyze Data Shape and Context Practice
Complete this assessment to review what you've learned. It will not count toward your
2 answers
asked by
//////////////////////////////////////////////////
64 views
The variance of a data set with 10 numbers is 12. What is the standard deviation of the data set?
(1 point) Responses 1.2 1.2
2 answers
asked anonymously
67 views
Use the table to answer the question.
Group 1 20 22 14 25 18 33 28 35 43 18 Group 2 16 24 30 26 28 32 34 23 25 33 The math scores
2 answers
asked by
Muntasir Zarif
68 views
Use the following data set to answer this question:
14, 17, 13, 15, 14, 19, 2, 18 What is the interquartile range? * 4 4.5 2 2.5
10 answers
asked by
Muntasir Zarif
90 views
Find the mean absolute deviation of the following dataset: 8.4, 9.4, 14.2, 5.6, 8.3, 9.0, 10.2. Round the answer to the nearest
2 answers
asked by
no name
53 views
What is the sum of the absolute deviations in the following dataset: 68, 51, 75, 78, 94, 35? The mean is 66.8.(1 point)
Responses
2 answers
asked by
Muntasir Zarif
62 views
Find the mean absolute deviation of 8.4 ,9.4 ,14.2 ,5.6 ,8.3 ,9.0 ,10.2 round to the nearest ten
2 answers
asked anonymously
23 views
bot. What is the sum of the absolute deviations in the following dataset: 63, 25, 74, 52, 63, 12, 46? The mean of the dataset is
11 answers
asked by
noodle
67 views
Which of the following quantitative data sets would you expect to have the larger standard deviation ?
1 answer
asked by
Anonymous
44 views
What is the interquartile range for this data set: 5,28,35,56,92 ?
1 answer
asked by
seth
325 views
The standard deviation of a data set is 4. What is the variance?
3 answers
asked by
Tanyashand
79 views
The variance of a dataset is 4. what is the standard deviation?
3 answers
asked by
Tanyashand
37 views
...is how spread out the numbers are
or ... is how spread out the numbers is are or is and why?
3 answers
asked by
Anonymous
352 views
mean absolute deviation ?
3 answers
asked by
anthony awsome
463 views
What does the interquartile range tell you?
7 answers
asked by
Hannah
405 views
How can i find semi-interquartile range from grouped data?
1 answer
asked by
Angelus
437 views
If I'm asked for the average deviation, what is the unit I should use for the answer?
1 answer
asked by
Nancy
325 views
What relationship exists between the IQR of a data set and the range of that same data set?
2 answers
asked by
ghost
1,443 views
Suppose that 15 students take a quiz and everyone in the class scores an 80. The standard deviation of scores for this quiz is
2 answers
asked by
Bella
532 views
How do you find an answer to a MAD (mean absolute deviation) chart?
1 answer
asked by
Angelina
357 views
A distribution of weights is symmetric about its median. The lower quartile of the weights is 90 pounds and the median is 120
5 answers
asked by
ellas
477 views
calculate the range for 20,44,18,16,27,20,14,18,22,27,16
5 answers
asked by
dorcas
359 views
Is a coefficient of variation a better measure of dispersion than variance?
1 answer
asked by
Candy
316 views
Find variance and standard deviation for the data
35,45,30,35,40,25
2 answers
asked by
Yogesh
553 views
A company decides to investigate the amount of sick leave taken by its employees. A sample of seven employees yields the
3 answers
asked by
Anonymous
1,150 views
3-100
Matthews, Young and Associates, a Chapel Hill consulting firm, has these records indicating the number of days each of its
1 answer
asked by
Anonymous
474 views
What is an example of an interquartile range that is equal to the range
1 answer
asked by
Anonymous
333 views
Given the set of data; 25, 15, 50,18, 42,36. find the standard deviation.
1 answer
asked by
Renee
298 views
how do i set up data to find the standard deviation of the data?
3 answers
asked by
chicken littell
560 views
how do i set up data to find the standard deviation of the data?
2 answers
asked by
chicken littell
476 views
How many standard deviations away from the mean do the quartiles lie in any normal distriubiton?
1 answer
asked by
Stat B
338 views
Find the interquartile range and the semi-interquartile range of the following data:
42 51 53 53 59 61 75 100 mean=61.75=62
2 answers
asked by
Mary
632 views
A sample of n = 25 scores has M = 20 and s2 = 9. What is the sample standard deviation?
a. 3 b. 4.5 c. 9 d. 81
3 answers
asked by
Lyn
1,971 views
The following scores on the midterm exam in Chemistry 102 were recorded:
93 81 59 69 82 73 61 77 95 84 88 71 86 97 63 72 89 80 60
3 answers
asked by
JEN
1,690 views
The following are all quiz scores of a student in a statistics course. Each quiz was graded on a 10-point scale.
10,6,7,6,5,8
3 answers
asked by
apple
1,535 views
The monthly salaries (in thousands of dollars) of a sample of sales representatives are as follows:
13, 7, 10, 9, 8, 13 Find the
3 answers
asked by
Anonymous
1,436 views
When calculating the interquartile range and we hand up with a negative number as the answer, do we disregard the negative sign
1 answer
asked anonymously
14 views
A veterinarian treated 7 dogs this morning. The list below gives the weights (in pounds) of each dog.
24, 3, 29, 24, 8, 38, 62
1 answer
asked anonymously
41 views
Italian Tours offers a daily sightseeing trip around Florence. The list below gives the number of people who made the trip for a
1 answer
asked anonymously
26 views
Find the standard deviation for the given data. Round your answer to one more decimal place than original data.
2,5,47,11,13,48,3
2 answers
asked by
Ella
1,177 views
A manufacturer of television tubes has two types of tubes, A and B, respectively, the tubes have mean lifetimes of
xA = 1495
2 answers
asked by
mwk please help
1,094 views
78, 69, 45, 89, 74, 37, 99, 77, 100, 82. What is the interquartile range of these scores?
3 answers
asked by
mary
1,006 views
A purchasing agent for a trucking company is shopping for replacement tires for their trucks from two suppliers. The suppliers'
3 answers
asked by
Tykrane
1,040 views
For a set of scores, will the interquartile range always be
less than the range? Explain your answer with an example.
3 answers
asked by
thomas
1,005 views
calculate the range, variance, standard deviation,
and interquartile range for the data set given {72, 80, 80, 82, 88, 90, 96}
2 answers
asked by
please help
979 views
Can someone explain this question? For a set of scores, will the interquartile range always be less than the range? Explain your
3 answers
asked by
B.B.
959 views
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Parent Categories (7)
Data Analysis
Data Analysis and Distribution
Data and Statistics
Data collection and analysis
Descriptive Statistics
Probability and Statistics
Statistics