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Random Sampling
Page 3
Questions (305)
Using the telephone numbers listed in your local directory as your population, randomly obtain 20 samples of size 3. From each
3 answers
asked by
Anonymous
406 views
A random sample of n=16 scores is obtained from a population with a mean of ยต= 80 and a treatment is administered to the
2 answers
asked by
delaney
1,239 views
Determine which sampling method was used in each scenario.
on a particular day 5 flights are selected at random and all of the
1 answer
asked by
Taylor
461 views
Determine which sampling method was used in each scenario.
on a particular day 5 flights are selected at random and all of the
1 answer
asked by
Melissa
367 views
Macintosh users make up about 5% of all computer users. A computer training school that wants to attract Macintosh users mails
2 answers
asked by
Amy
597 views
Macintosh users make up about 5% of all computer users. A computer training school that wants to attract Macintosh users mails
1 answer
asked by
Amy
490 views
Arandomly selected sample of a population for study is one in which:
1 answer
asked by
Sandra
265 views
How would the researcher randomly select files? (What does the process look like?)
2 answers
asked by
janice
1,045 views
Suppose we want to estimate the average number of purchases in a given hour in a local convenience store. Using this example,
1 answer
asked by
Anonymous
469 views
The vice-president of a business firm has reviewed the records of the finn's personnel
and found that 70% of the employees read
1 answer
asked by
tim
412 views
10. Using a table of random numbers, select six names from the following list of 10: Michael Susan Sara Kent Selma Harriet
1 answer
asked by
Lindsey
394 views
In testing a new drug, researchers found that 10% of all patients using it will have a mild side effect. A random sample of 14
1 answer
asked by
Jen
434 views
A researcher wants to attain a random sample of young drivers who have received DUIs within the last year. Using the PREP
7 answers
asked by
Jill
503 views
A personal trainer wants a random sample of her clients. She gets the list of all her clients from the gym manager and assigns
4 answers
asked by
Jill
398 views
what is it called when all the items in the population have the same chance of being selected for the sample?
1 answer
asked by
Tim
399 views
A statistician needs to survey a sample of 50 people that is representative of voters in his community. He prepared a list of
2 answers
asked by
Anonymous
618 views
How could picking three dates at random in the month of April be simulated using a random digit table? (Please show and explain)
1 answer
asked by
Lori
302 views
when is random sampling not the best approach to sample selection?
1 answer
asked by
anette
333 views
sometimes it is difficult or impossible to determine the population size before selecting a random sample. describe how you
1 answer
asked by
Anonymous
466 views
Does random sampling give you a representative sample of a population?
1 answer
asked by
rain on your party
47 views
Jonte is trying to determine the amount of money 7th graders spend on candy each month. He thinks he can poll a random sample by
1 answer
asked by
rain on your party
62 views
A doctor wants to know if her patients are happy with her. She decides to survey a sample of her clients. What method would be
1 answer
asked by
Raishawn
1,291 views
You want to find out what the favorite hot lunch in the school cafeteria is among the high school students. At an assembly for
4 answers
asked by
Steve
1,263 views
The father of a junior high school student wants to determine the most popular book among junior high students. Select the
4 answers
asked by
Amy
1,206 views
can you explain the following in a simpler way:
To sample values A, B, C, D based on their assigned probabilities, you need to
1 answer
asked anonymously
19 views
Identify the sampling method.
You want to determine the number of text messages students at your school send in a month. You go
2 answers
asked by
Lana
948 views
Scenario 1: On Saturday, Kira stood outside the bowling alley from the time it opened until the time it closed. She asked the
2 answers
asked by
Nakoa The Rainbow
876 views
Randomly select 100 purchases from your checkbook or 100 credit card purchases that you have made in the past year. Do not mix
1 answer
asked by
Anonymous
857 views
Data shows that 88% of the people in a certain population are right-handed. A group of 7 people from this population are
2 answers
asked by
Anonymous
843 views
1. At your summer job with a research company, you must get a random sample of people from
your town to answer a question about
16 answers
asked by
YOLO
2,400 views
1. You want to survey people about their favorite exercise. Which sample below is more likely to be random? (1 point)You ask
5 answers
asked by
NIKE
1,440 views
the best example of the use of random sampling to determine who will be elected as your school president would involve
a. asking
4 answers
asked by
jere
1,226 views
10. A random sample of n=36 scores is selected from a normal distribution with a mean of u=60. After a treatment is administered
2 answers
asked by
Anonymous
711 views
drawer contains 50 bolts and 150 nuts. Half of the bolts and half of the nuts are rusted. If one item is chosen at random, what
2 answers
asked by
RAJESH
689 views
A teacher is collecting data about students. Which of the following is a random sample.
A.Students known by the teacher
2 answers
asked by
Anonymous
630 views
A ball pit contains 10 yellow balls and 14 green balls. What is the probability of randomly picking 3 green balls (replacing
2 answers
asked by
Crystal
632 views
Suppose there are two full bowls of cookies. Bowl #1 has 10 chocolate chip and 40 oatmeal, while bowl #2 has 30 chocolate chip
2 answers
asked by
James King
617 views
In a Gallup poll, 1003 adults were called after their telephone numbers were randomly generated by a computer. What type of
2 answers
asked by
Anonymous
612 views
Suppose a different student reaches in the bag, randomly selects their twenty chips, and estimates that 60% of the students are
3 answers
asked by
Layla
610 views
Scenario 1: On Saturday, Kira stood outside the bowling alley from the time it opened until the time it closed. She asked the
2 answers
asked by
Nakoa The Rainbow
591 views
400 draws are made at random with replacement from 5 tickets that are marked -2, -1, 0, 1, and 2 respectively. Find the expected
4 answers
asked by
AmmanJordan
603 views
Consider a bowl containing 36 different slips of paper. Ten of the slips of
paper each contain one of the digits from the set 0
2 answers
asked by
Tyga
582 views
A survey was mailed to a total of 400 students; 100 were randomly selected from each of the freshman, sophomore, junior and
3 answers
asked by
Amy
561 views
Looking for someone to verify my homework answers on identifying the sample and population......
1) A group of 50,000 randomly
3 answers
asked by
Carmen
553 views
a dairy farmer has black and brown milking cows. The farmer wants to know how much milk is produced on his farm daily. The
2 answers
asked by
Niki
561 views
A bag contains five purple ("P") blocks and one yellow ("Y") blocks. Without looking into the bag you reach in, take out a
2 answers
asked by
Anonymous
520 views
which of the following is true of a random sample
1. its the only way to sample a population 2. each member of the sample is a
4 answers
asked by
Freaky friday on a monday
520 views
For a scavenger hunt, Chessa put one coin in each of 10 small boxes. Four coins are quarters, 4 are dimes, and 2 are nickels.
2 answers
asked by
kimie
517 views
In order to subject their cash registers to random audit, suppose we want to select a random sample of three people from this
2 answers
asked by
Allie
507 views
Using the county auditor's list of households the researcher randomly selected 100 homes and contacted the residents. Of the 100
1 answer
asked by
jessica
513 views
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Parent Categories (25)
Audience Survey
Conditional probability
Data Analysis
Data collection
Data Collection and Sampling
Expected Value
Experimental Probability
Independent Events
Library Statistics
Pharmaceutical Studies
Probability
Probability and Sampling
Probability and Statistics
Sample Selection
Sampling
Sampling and Data Collection
Sampling Method
Sampling Methods
Sampling Techniques
Statistics
Survey methods
Survey Sampling
Surveying
Tracking
Valid Inference