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Measures of Central Tendency and Dispersion
Page 4
Questions (309)
a population of score has u=50 and standard devidation =10 if every score in the population is multipied by 2 the new mean and
1 answer
asked by
mary
356 views
Indicate whether the given statement could apply to the data set consisting of 1000 values that are all different.
1. The 29% is
3 answers
asked by
Sonia
406 views
the mean and standard deviation of the grades of 500 students who took an maths exam were 69 and 7 respectively. if the grades
1 answer
asked by
lisa
714 views
if 5% of all calculators are defective, find the mean, variance, and standard deviation of a lot of 400 calculators. round your
2 answers
asked by
Megan
506 views
what is the mean and the standard deviation of the data in the table given? round your answer to 2 decimal places
value: 4.8,
2 answers
asked by
Anonymous
542 views
what is the mean and the standard deviation of the data in the table given? round your answer to 2 decimal places
value: 4.8,
2 answers
asked by
Anonymous
490 views
solv the following
a)mean b)mode c)median d)standard deviation observation Frequency 5 14 10 22 15 47 20 17
1 answer
asked by
Anonymous
347 views
make pu a data set of at least 12 numbers that have the following landmarks maximum 18 mode 7 range 13 median 12
4 answers
asked by
kathleen
452 views
3. Indicate whether the given statement could apply to a data set consisting of 1,000 values that are all different.
a. The 29th
2 answers
asked by
Trina
492 views
the mean is 3.5. dtandard deviation is .5. sally's score is 1.5 on test. how many standard deviations is she from the mean?
billy
2 answers
asked by
dee
1,214 views
Please tell me if this is correct...Finding the mean, the average deviation from the mean, the standard deviation from the mean,
3 answers
asked by
London
498 views
A distribution with a mean of 200 units, a standard deviation of 40 units, a minimum value of 4 units and a maximum value of 245
5 answers
asked by
Adria
1,301 views
For the following scores, find the (a) mean, (b) median, (c) sum of squared deviations, (d) variance, and (e) standard
2 answers
asked by
mary sweazie
560 views
3. For a particular sample of 50 scores on a psychology exam, the following results were obtained.
Mean = 78 Mode = 84 Median =
2 answers
asked by
Nina
576 views
what is the mean, median and mode also range of stem and leaf Plots?
2 answers
asked by
mary
505 views
I'm reviewing for my final exam can anyone give me some tips on this I know what this means but I just to know someone eles
4 answers
asked by
Selena
457 views
find the range
1,3,4,5,8,9,10
1 answer
asked by
athina
148 views
A club has 50 members. If there is a 10% absentee rate per meeting, find mean and standard deviation: How do you do the problem
2 answers
asked by
ce
718 views
The annual sales, in millions of dollars, for 28 toy department stores is listed.
38 35 43 27 24 40 38 21 34 27 35 36 24 33 27 33
3 answers
asked by
Jodine
391 views
the ages of the members of a gym have a mean of 44 years and a standard deviation of 12 years. what can you conclude from
3 answers
asked by
dianne
2,258 views
1) Find the missing parameter
1.mean 15, 30.15 %, above 50; what is the standard deviation 2.mean 75, 5.05% below 30; what is the
4 answers
asked by
LT
2,238 views
Scores on a test have a mean of 66 and Q3 of 81. The scores have a distribution that is approximately normal. Find the standard
4 answers
asked by
Abby
1,719 views
The distribution of scores on a test is mound-shaped and symmetric with a mean score of 78. If 68% of the scores fall between 72
3 answers
asked by
MJ
1,623 views
In these set of discrete, ungrouped data: 60, 62, 63, 65, 59, 59, 58, 60, 62, 62, 63, 63, 59, 61, 60, 64, 62, 64, 61, 63. Find
7 answers
asked by
Raven
52 views
Find the minimum, first quartile, median, third quartile, and maximum of the data set below.
4.4 3.1 5.6 4.5 4.8 5.2 6.3 3.8 11.9
1 answer
asked anonymously
33 views
In the third week, the athletes add an additional 10 min to their training times from the second week. For the second week, the
1 answer
asked by
sara
30 views
heights of young adult u.s women are approximatelynormal with mean 64 inches and standard deviation 2.7 inches. What proportion
5 answers
asked by
Diana
1,392 views
A normal population has a mean of 21 and a standard deviation of 5.
Compute the z value associated with 24 What proportion of the
2 answers
asked by
Barbara
1,318 views
Listed below are the duration's (in hours) of a simple random sample of all flights of a space shuttle program. Find the range,
4 answers
asked by
slomo
1,329 views
According to the National Center for Health Statistics, the mean height of an American male is 69.3 inches and the mean height
1 answer
asked by
Smith
1,282 views
There are 200 students in a sample. How many of these students will have scores that fall under the score of 41? Mean is 45,
2 answers
asked by
Vicki
1,140 views
The table below shows the LOS for a sample of 11 discharged patients. Using the data in the table, calculate the mean, range,
4 answers
asked by
Anonymous 11/11/13
1,166 views
What are the minimum, first quartile, median, third quartile, and maximum of the data set below?
95 85 75 85 65 60 100 105 75 85
1 answer
asked by
sara
28 views
Data Set : 25,8,10,35,5,45,40,30,20
what is the median of the given data set? A.10 B.22.5 C.25 D.27.5 I think its C what is the
7 answers
asked by
I am a girl and don't mess it up
1,089 views
The average amount of time people spend on facebook each day is 71 minutes, with a standard deviation of 4.7 minutes. Are you
2 answers
asked by
Ashley
1,066 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,
13 answers
asked by
abrah
1,078 views
Using the data in the table, calculate the mean, range, variance, and standard deviation, and then answer questions e and f.
1 answer
asked by
Anonymous
1,005 views
Find the minimum, first quartile, median, third quartile, and maximum of the data set below.
4.1 2.9 6.3 5.5 5.1 5.2 6.5 3.7 11.8
1 answer
asked anonymously
32 views
using excel find the variance of a sample of 30 observations selected randomly. Given that the median is 14.7, the mode is 11
1 answer
asked by
nora
970 views
the distribution of scores on a test is mound shaped and dsymmetric with a mean score of 78. if 68 percent of the scores fall
3 answers
asked by
Josh
950 views
For the following scores, find the (a) mean, (b) median, (c) sum of squared deviations, (d) variance, and (e) standard deviation
4 answers
asked by
Donna
953 views
A class obtained the following scores on a test. Find the mean, the median, the mode, and the range for the class.
Test Score
3 answers
asked by
Anonymous
940 views
For a particular sample of 63 scores on a psychology exam, the following results were obtained.
First quartile = 47 Third
1 answer
asked by
Celest
928 views
An examination was conducted for 100 students and the results are given in the below
50,51,52,53,54,55,55,55,56,56,56,57,57,57,58
1 answer
asked anonymously
33 views
The physical plant at the main campus of a large state university receives daily requests to replace florecent lightbulbs. The
2 answers
asked by
Anonymous
885 views
1. I took a sample of the grade point averages for students in my class. For 25 students, the standard deviation of grade points
3 answers
asked by
CHIMI
890 views
Using the data in the table, calculate the mean, range, variance, and standard deviation, and then answer questions e and f.
2 answers
asked by
Anonymous
916 views
Make up a set of 7 numbers having the following landmarks: mode: 21, median: 24, maximum: 35, range: 20
3 answers
asked by
Tricia
876 views
You survey 1000 new home buyers and find that the mean price was $185,000 and the standard deviation was $20,000. How many paid
2 answers
asked by
Eric
861 views
For classes of 273 students, find the mean and standard deviation for the number born on the 4th of July, Ignore leap years. For
2 answers
asked by
slomomo
879 views
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