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Descriptive Statistics
Page 6
Questions (1,713)
women's heights are normally distributed with a mean 63.1 in and standard deviation of 2.5. A social organization for tall
5 answers
asked by
Jenn
1,918 views
A group is studying age distribution of people living in town. The mean age is 45, the modal age is 59, the median age is 56,
3 answers
asked by
luckybee
1,183 views
In a population of exam scores, a score of X = 48 corresponds to z = +1.00 and a score of X = 36 corresponds to z = -0.50. Find
3 answers
asked by
Teresa
1,538 views
A maker has the opportunity to purchase several acres of land that is divided up into several lots for building single-family
4 answers
asked by
Ronnie
910 views
If the average price of a new single family home is $246,300 with a standard deviation of $15,000, find the minimum and maximum
4 answers
asked by
stacy
975 views
For a population with a mean of 80 and the standard deviation of 12, what is the Z score corresponding to an individual score of
4 answers
asked by
Tara
673 views
a sample of n=25 scores has a mean of M=65 and an estimated standard error of 2 points. What is the sample variance
4 answers
asked by
L
1,587 views
The test scores of students in a class test have a mean of 65 and with a standard deviation of 8. What is the probable
3 answers
asked by
Anonymous
895 views
A sample of 12 measurements has a mean of 24 and a standard deviation of 4.5. Suppose that the sample is enlarged to 14
4 answers
asked by
Nao
3,420 views
Make up a set of at least 12 numbers that have the following landmarks. Maximum: 8 Range: 6 Mode: 6 Median: 5
5 answers
asked by
michelle
516 views
a plumbing supplier's mean monthly demand for vinyl washers is 24212 with a standard deviation of 6053. The mean monthly demand
4 answers
asked by
Bill
1,283 views
I need help with this problem. I think I have some of the answers right but I'm not sure.
There is a data set consisting of 33
3 answers
asked by
Samantha
2,526 views
19. You measure how much people are initially attracted to a person of the opposite
sex and how anxious they become during their
4 answers
asked by
Jessica
707 views
Make up a data set of at least 12 numbers that have the following landmarks
Maximum 18 Mode 7 Range 13 Median 12 Make a bar graph
4 answers
asked by
Kate
519 views
find the average of 26, 42, 57, 49, and 16.
4 answers
asked by
nick
808 views
A student was asked to compute the mean and standard deviation for the following sample of n _ 5 scores: 81, 87, 89, 86, and 87.
4 answers
asked by
Liz
1,392 views
The number of hours per weeek that the television is turned on is determined for each family in a sample. The mean of the data
3 answers
asked by
Maddie
638 views
Weights of the vegetables in a field are normally distributed. From a sample Carl Cornfield determines the mean weight of a box
3 answers
asked by
Anonymous
5,312 views
Find the value of Z that is smaller than 90% of all values of Z.
3 answers
asked by
ali awan
1,034 views
A tech company develops a navigation app for smartphones that can compute the usual distance it takes to get from one location
6 answers
asked by
jessica
792 views
1. What are the minimum, first quartile, median, third quartile, and maximum of the data set?
18, 20, 11, 10, 8, 6, 12, 4 A:
4 answers
asked by
Geno
2,314 views
From a sample with n equals=24, the mean number of televisions per household is 3 with a standard deviation of 1 television.
4 answers
asked by
Addison
3,326 views
26. Flight Data: Find the range, variance, and standard deviation. Express answers using appropriate units, such as "minutes."
Re
4 answers
asked by
Alexis
2,015 views
Help me solve this please. One of the few on my hw list that I had no idea how to solve
A medical researcher is interested in the
3 answers
asked by
Somi
413 views
1. A distribution has a standard deviation of � � 12.
Find the z-score for each of the following locations in the distribution.
4 answers
asked by
Nickie
862 views
A government report looked at the amount borrowed for college by students who graduated in 2000 and had taken out student loans.
3 answers
asked by
karen
1,365 views
A recent survey found that 72% of all adults over 50 wear glasses for driving. In a random sample of 100 adults over 50, what is
9 answers
asked by
Sheila
2,797 views
Suppose a tire manufacturer wants to set a mileage guarantee on its new XB 70 tire. Life tests revealed that the mean mileage is
4 answers
asked by
Brea
3,175 views
A scale measuring prejudice has been administered to a large sample of respondents. The distribution of scores is approximately
3 answers
asked by
Brady
814 views
For a population with µ = 70 and ó = 20, find the z-score that corresponds to each of the following X-values
3 answers
asked by
Anonymous
579 views
. In a sample of n = 6, five individuals all have scores of X = 10 and the sixth person has a score of X = 16. What is the mean
3 answers
asked by
toonie
1,802 views
Determine: minimum, maximum, median, 1st quartile, and 3rd quartile
10,12,7,9,4,15,20,21 Minimum: _______ Maximum: _______
4 answers
asked by
fornothing
478 views
what is the standard deviation of the following...
2.82 3.49 3.28 3.25 3.26 2.87 3.16 3.4 2.84 3.72 3.22 3.44 3.65 3.02 3.03 3.8
2 answers
asked by
Michelle
933 views
3) A company that manufactures oil seals found the population mean to be 49.15 mm (1.935 in.), the population standard deviation
3 answers
asked by
Cr
1,079 views
Cookies are made in a factory with an average mass of 22 grams and a standard deviation of 4 grams. some cookies are packed in a
1 answer
asked by
Anna
444 views
You are trying to be a YouTube star and are tracking the number of views on your videos. Below
are the number of views on your
4 answers
asked by
𝓜𝓘𝓐
457 views
Let the random variable X represent the number of people living in a household in a certain town. The standard deviation of X
is
4 answers
asked by
Anonymous
4,162 views
The following table gives the percentage of on-time arrivals in U.S airports from 2004 through 2013.
Year 2004 2005 2006 2007
3 answers
asked by
emily
715 views
a sample consists of the following n =6 scores: 2, 7, 4, 6, 4, and 7 compute the mean and standard deviation for the sample
5 answers
asked by
Bridget
2,945 views
the test marks for 29 students studying STSA 1624 produced a mean of 72,8% and a variance of 275,56%. If the distribution of the
3 answers
asked anonymously
48 views
The test marks for 29 students studying STSA 1624 produced a mean of 72,8% and a variance of 275,56%. If the distribution of the
3 answers
asked anonymously
48 views
Assume heights and weights are normally distributed with the given means and standard deviations from the table below.
Strata
3 answers
asked by
Sara
981 views
From the following list of number of discharges each day in September, compute the mean, median, mode, and range. Round the mean
3 answers
asked by
John
791 views
Fill in the blanks with the appropriate raw scores, z-scores, T-scores, and percentile ranks. NOTE: the Mean = 50, SD = 5.
______
4 answers
asked by
Judi
1,419 views
Whats the difference between creating a z score from a single score and creating one fron a sample mean?
3 answers
asked by
Brittany
611 views
Here are some statistics using GSS 2008 data:
RACE OF RESPONDENT n 2023 Mean 1.32 Median 1.00 Mode 1.00 Standard deviation 0.631
4 answers
asked by
stewie
1,469 views
make up a set of at least twelve numbers that has the following landmarks. minimum:50 median:54 maximum:57 mode:56
5 answers
asked by
jimmy
1,330 views
1) A scale measuring prejudice has been administered to a large sample of respondents. The distribution of scores is
3 answers
asked by
Mich
1,116 views
For an ungrouped data set with an odd number of observations that have been sorted or arrayed from smallest to largest values,
3 answers
asked by
Anonymous
1,140 views
A test consists of 90 mulitiple choice questions, each with five possible answers, only one of which is correct. Find the mean
3 answers
asked by
chalulu
1,927 views
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