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Descriptive Statistics
Page 10
Questions (1,573)
The following is a list of 12 measurements:
50, 57, 85, 34, -28, 68, -17, -33, 81, -12, -70, -17 Send data to Excel Suppose that
2 answers
asked by
Anonymous
567 views
Giving a test to a group of students, the grades and gender are summarized below
A B C Total Male 17 5 2 24 Female 7 11 12 30
4 answers
asked by
Anonymous
1,298 views
A set of data with a mean of 64 and a standard deviation of 5.9 is normally distributed. What value is within +3 standard
1 answer
asked by
Samantha
363 views
Suppose a Normal model describes the fuel efficiency of cars currently registered in your state. The mean is 27 mpg, with a
3 answers
asked by
Ali
719 views
The time until recharge for a battery in a laptop computer under common conditions is normally distributed with mean of 270
3 answers
asked by
Sarah
1,427 views
From the length(in seconds) of 80 randomly chosen U2 songs, the mean determined was 289.6986295 and standard deviation was
2 answers
asked by
Jenny
989 views
A group of 894 women aged 70-79 had their height and weight measured. The mean height was 159 cm with a standard deviation of 5
4 answers
asked by
Candice
2,237 views
Statistics Find The Mean and Median Question 28.
IQ Scores: Use the listed IQ scores. IQ tests are designed so that the mean IQ
4 answers
asked by
Lexus
616 views
A firm produces batteries that have a lifetime which is normally distributed with a mean of 360 minutes and a standard deviation
2 answers
asked by
Sam
582 views
Suppose that a principal of a local high school tracks the number of minutes his students spend texting on a given school day.
2 answers
asked by
Lui
694 views
Using the following data set
a. Calculate the mean, mode, median, standard deviation, minimum, maximum and range b. Draw the
1 answer
asked by
ABDULA YUSUF
441 views
The average monthly attendance to the senior citizen bowling league is 67 with a stdev of 6.5. What is the probability that a
1 answer
asked by
Max
374 views
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
Quick questions. Can you please put a website where I can find what Mode, Range, Median , and mean. Also I need some examples,
1 answer
asked by
Girl with questions.
382 views
A "Friendliness Test" has a mean of 50 and a standard deviation of 9. Treat these values as parameters. A sample of 9
1 answer
asked by
Jasmine
377 views
Find the standard devation of 4,6,8,10 and 12
1 answer
asked by
Olatunde Enoch
321 views
) Determine the number(range) of chocolate chips in a bag that make up the middle 99% of bags.
2 answers
asked by
regi
568 views
Explain the general rationale behind using a z-score for describing how an individual performed on an exam compared to just
1 answer
asked by
slomomo
611 views
What is deviation?
And what is the definition of frequency distribution & how would I solve a problem in 8th grade math with this
4 answers
asked by
Aayla
662 views
A sample has a mean of M = 73 and a standard deviation of s = 5
1 answer
asked by
dj
441 views
Suppose that weights for women in their 20’s average 125 lb., with a standard deviation of 14 lb. For a sample of size 50 how
1 answer
asked by
Anonymous
417 views
Without calculating values of z, tell which of these sample means will have the most extreme standardized score and which will
1 answer
asked by
Debbie
423 views
Instructions for the Experiment / Data Collection regarding questions 1-4: Collect data regarding the caffeine content in a 16oz
2 answers
asked by
Nisa (Please Help me)
527 views
For a population with a mean of 80 and a standard deviation of 12, what is the Z score corresponding to an individual score of
1 answer
asked by
Anonymous
371 views
numbers given are: 3.5, 2.6, 3, 3.1, 2.6, 2.8,
range is 0.9 z-score of 3.1 is Okay I am lost
1 answer
asked by
Patricia
289 views
The population (in millions) and the violent crime rate (per 1000) were recorded for 10 metropolitan areas. The data are shown
1 answer
asked by
Rustie
452 views
find the z-scores for which 92% of the distribution's area lies between -z and z
3 answers
asked by
Carolyn
1,479 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
347 views
The mean (μ) of the scale is 55 and the standard deviation (σ) is 7. Assuming that the scores are normally distributed, what
2 answers
asked by
johnny
503 views
i need help with this Question
The following data represents Total Credit Hours from our class survey. 90 54 98 45 65 43 12 48 56
3 answers
asked by
JOJO
513 views
use the z score table to find the floolwing:
a) p(1.2<z<2.4) b) p(z>1.675) please show working out
1 answer
asked by
jay
405 views
Annual per capita consumption of milk is 21.6 gallons (Statistical Abstract of the United States: 2006). Being from the Midwest,
1 answer
asked by
Vanessa
1,057 views
If a measured distribution has an average of 65 and a variance of 16 and the standard
deviation of the random error is 4
1 answer
asked by
sas
387 views
Annual per capita consumption of milk is 21.6 gallons (Statistical Abstract of the United States: 2006). Being from the Midwest,
1 answer
asked by
Mia
807 views
Annual per capita consumption of milk is 21.6 gallons (Statistical Abstract of the United States: 2006). Being from the Midwest,
1 answer
asked by
Alejandra
627 views
Annual per capita consumption of milk is 21.6 gallons (Statistical Abstract of the United States: 2006). Being from the Midwest,
2 answers
asked by
Mia
538 views
Commuters were asked how many times a week they stop for coffee on their way to work. A survey found a mean of 3 times a week
3 answers
asked by
brewster
526 views
A random sample of 50 households in community A has a
mean household income of �X =Rs. 44,600 with a standard deviation s =Rs.
2 answers
asked by
Anonymous
656 views
The following data represent the number of live births in the United States in 2007 for women 15 to 49 years old.
Age Live Births
2 answers
asked by
Sarah
507 views
Descriptive statistics are widely used in qualitative research. When establishing if a population is normally distributed
2 answers
asked by
maureen
587 views
For 3 and 4 find the range, variance, and standard deviation. Round to the nearest tenth.
3. Twelve students were given an
4 answers
asked by
Artmisha
985 views
A survey of 1500 college students found that 675 stay on campus in a dorm. Find the mean and standard deviation of the
1 answer
asked by
Anonymous
412 views
In testing a new drug, researchers found that 20% of all patients using it would have a mild side effect. A random sample of 25
2 answers
asked by
Netta
502 views
What is the mean of the sample means?
What is the standard deviation of the sample means?
2 answers
asked by
emma
495 views
A random sample of mid-sized cars tested for fuel consumption gave a mean of miles per gallon with a standard deviation of miles
3 answers
asked by
Anonymous
1,422 views
the average placement test score of a sample of 64 students out of 1000 registered at a community college is 70 with a standard
2 answers
asked by
D
1,209 views
Allen's hummingbird (Selasphorus sasin) has been studied by zoologist Bill Alther.† Suppose a small group of 17 Allen's
3 answers
asked by
Alexus
1,538 views
Suppose that the average weight of students in a statistics class is 75.5 kilograms with a standard deviation of 10.3 kilograms.
5 answers
asked by
Tracy
504 views
Suppose that the average weight of students in a statistics class is 75.5 kilograms with a standard deviation of 10.3 kilograms.
4 answers
asked by
Tracy
573 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
707 views
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