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Measures of Central Tendency and Variation
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Questions (121)
1.it has been reported that 83% of government employees has been migrated onto the single-spin salary structure.if a sample of
1 answer
asked by
Ras
420 views
A sample has a mean of M = 73 and a standard deviation of s = 5
1 answer
asked by
dj
442 views
test has a 500 mean with a sd of 150; with a score of
.13% both negative and postive 2.14%
1 answer
asked by
Anonymous
348 views
Two sets of data are shown.
Data Set A: 30, 38, 42, 42, 43, 47, 51, 51, 57, 59 Data Set B: 38, 39, 40, 42, 44, 46, 47, 50, 51, 52
3 answers
asked by
Lettuce?
59 views
Suppose that the average weight of students in a statistics class is 75.5 kilograms with a standard deviation of 10.3 kilograms.
2 answers
asked by
Anonymous
500 views
Consider a football team for whom the numbers on the active players’ jerseys are 29, 41, 50, 58, 79,…, 10
(listed in
2 answers
asked by
Lori
494 views
Consider the ages of 5 brothers: 32, 26, 28, 30, 28. Determine which of the following are true if a new brother is adopted at
1 answer
asked by
Jordan
355 views
can you check if i have this right?
i need to find the mean median, mode and range for : 0,1,1,2,2,3,3,3,4,6 mean i got: 2.5
9 answers
asked by
marko
563 views
The monthly rents for the apartments in a building are listed below. $425, $550, $550, $550, $650, $650, $650, $650, $800, $900
P
3 answers
asked by
jenny
737 views
Find the range,median,mode,and mean.
97,88,93,90,85,100 range:_ median:_ mode:_ mean:_
10 answers
asked by
lidia
626 views
10. For questions 10-13, use the following data:
13 29 41 60 89 14 26 53 7 14 What is the arithmetic mean of the data? (Points:
1 answer
asked by
Anonymous
473 views
Random of size 2 are taken from a finite population which consist of the measurement 6,7,8,9,10 and 11
A: show that mean and that
1 answer
asked by
Ayodeji
360 views
salary study conducted. mean for men = $42,000. Std deviation = $9,000. mean for women = $39,000. Std dev for women = 8,000. If
2 answers
asked by
Julia
733 views
The average and SD of a set of 50 scores are 30 and 7, respectively. If each of these scores is increased by 10, then which of
1 answer
asked by
Anonymous
396 views
I am having some trouble figuring out these two problems.
1. Calculate the mean, median, mode, range, and midrange for the data
2 answers
asked by
Rayna
568 views
Data on the highest and lowest number of hits by three
baseball teams within a specified period of time are described by the next
2 answers
asked by
Deidre
706 views
3 students brought collection of cards the mode is 125 the range is 26 what are two possibilities for the number of cards in
3 answers
asked by
dakota
238 views
medians, least and greatest values, where can I get help the homework makes no sense
1 answer
asked by
jean
149 views
The number of patients treated at Dr. Artin’s dentist office each day was recorded for nine days. These are the data: 6, 6, 6,
4 answers
asked by
m
1,732 views
The closing prices, in dollars, of two stocks for the first five days in February are shown below. What are the range and mean
1 answer
asked by
sara
37 views
Find the median mode and range for each set of data.
1.11,18,19,20,20,23 Median=19.5 Mode=20 Range=12 2.52,56,60,67 Median=58
5 answers
asked by
Jerald
1,342 views
What is the minimum, lower quartile, upper quartile, maximum of these numbers?
45 52 52 68 71 71 75 77 82 84 89 90 90 94 96
4 answers
asked by
Dawn
1,094 views
Find the minimum, first quartile, median, third quartile, and maximum of the data set below.
4.5 3.1 6 5.2 4.8 5.1 6.1 4.2 11.8
1 answer
asked anonymously
35 views
write a set of data with this following description
there are 7 numbers in the data set the minimum is 17 the range is 45 the
2 answers
asked by
mina
989 views
One of the tallest living men has a height of 263 cm. One of the tallest living women is 245 cm tall. Heights of men have a
2 answers
asked by
slomo
975 views
14.what value of n will result in a mean if 31
15.what value of n will result in a median of 23 15.what value of a will result in
2 answers
asked by
alice
956 views
For a particular sample of 80 scores on a psychology exam, the following results were obtained.
First quartile = 65 Third
1 answer
asked by
christy
830 views
The annual sales, in millions, for 28 toy department stores is listed.
A)Calculate the mean and standard deviation of the data.
7 answers
asked by
Jodine
477 views
What is the mode, median, range for: 2,2,4,4,7,7,7,11,12,17
4 answers
asked by
Mike
696 views
For a hypothetical normal distribution of test scores, approximately 95% fall between 38 and 62, 2.5% are below 38, and 2.5% are
3 answers
asked by
Scott F
629 views
A standardized third grade reading test, called the We Can Read Test, has a mean of 50 with a standard deviation of 10. A
3 answers
asked by
Lee
600 views
The heights in inches of 14 randomly selected adult males in LA are listed as:
71, 67, 70, 59, 71, 68, 67, 71, 80, 68, 74, 69,
2 answers
asked by
Lisa
571 views
Consider the following data on lengths of 30 pieces of metal.
18 26 15 17 7 27 24 17 10 17 23 29 28 18 10 23 16 6 12 26 5 12 23
2 answers
asked by
TINASHE
565 views
data from sample of 400 cases, variable has 95% confidence interval of 54.3 to 54.7
I found the mean- how do i find standard
1 answer
asked by
Angel
553 views
What is the minimum, lower quartile, median, upper quartile, maximum
12,14, 12, 12, 6, 1, 18, 19, 13
2 answers
asked by
Anonymous
510 views
10. For questions 10-13, use the following data:
13 29 41 60 89 14 26 53 7 14 What is the arithmetic mean of the data? (Points:
2 answers
asked by
Anonymous
525 views
The weight of 100 females aged 15 to 20 years has a mean of 120 pounds and a variance of 36 pounds. How many of the students has
3 answers
asked by
Chyrie lhu
535 views
In a statistic class, the average score of midterm is 75 and the SD is 8. The average score of final is 65 and the SD is 12. The
2 answers
asked by
prasad
504 views
if the mean of a set of data is 23.00 and 10.00 has a z-score of -1.30, then the standard deviation must be?
3 answers
asked by
John
493 views
I have 3 questions:
1. Construct a data set of 8 items that has a mean absolute deviation of 0.5 and for which the mean is 10. 2.
1 answer
asked by
Ailin
510 views
what's the mode, median, and range for this numbers (23,15,65,23,43)
2 answers
asked by
Anonymous
466 views
The data below represents the average score per game of the top 40 NBA players, rounded to the nearest whole number. Find the
2 answers
asked by
Allie
468 views
A random sample of customer incomes yields a mean income of $35000 with a standard deviation of $4500. Assume that the
2 answers
asked by
Danielle
488 views
Figure the mean, median and standard deviation for the number of words learned by seven infants. I beleive the mean is 45.5 and
2 answers
asked by
Tammy
483 views
As cars passed a checkpoint, the following speeds were clocked and recorded.
Speed (mph): 55 62 61 54 68 72 59 61 70 so the range
3 answers
asked by
please :/
479 views
What are the mean, median, mode and range of the data set given the altitude of lakes in feet: -12, -9, -14, -39, -49, -49, -18,
1 answer
asked by
Rosi
441 views
What are the values of the mean and spread for the dataset shown in the bar graph?
* Captionless Image Mean 12, Spread 3 Mean 2,
2 answers
asked anonymously
50 views
For questions 1 and 2 use the following info. The numbers are in this order: 456,306,160,363,376,935,54,349
1)Find the mean,
1 answer
asked by
Jon
464 views
Ages
A box plot showing ages of different students in maths class. outliers are 20 and 28. Median is 22.5. Lower quartile is
1 answer
asked anonymously
43 views
A county with a large population need to know what the average income is for tax purposes. A simple random sample of 1000
1 answer
asked anonymously
45 views
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Parent Categories (3)
Data Analysis
Descriptive Statistics
Statistics