What if the researcher decided to ignore the random selection procedures as described in the example (e.g. pulling names from a hat, using a computer program to generate random numbers)? How would this affect the results of the study?

Q: A bag contains a green ball, yellow ball, and red ball. A ball is drawn at random from the bag and…

A:

Q: Last year, Groton, Georgia, had 512 burglaries. The police chief wants to know the average economic…

A: Given, the average economic loss associated with burglaries in Groton. n=10 a). The required sample…

Q: The table below shows the results of a survey that asked 2882 people whether they are involved in…

A: FrequentlyOccasionallyNot at allTotalMale2284577941479Female2094507441403Total43790715382882

Q: in order to conduct an experiment, 5 subjects are randomly selected from a group of 34 subjects. How…

A: given data select 5 subjects from group of 34 subjects   No. of different groups of 5 subjects…

Q: Lysann Damish and her colleagues (2010) wanted to find out if belief in luck improved performance.…

A: Introduction: Denote μ1, μ2 as the true average number of successful putts in 10 trials for the…

Q: Maris wants to learn more about fine art.  Select the option below that will result in Maris taking…

A: Maris wants to learn more about fine art.  Select the option below that will result in Maris taking…

Q: A pharmeceutical company tests the effectiveness of a new drug used to treat migraines. The company…

A: Given info: Based on the experiment conducted, the company concluded that 62% the drug has a 62%…

Q: Researchers conducted a study to examine the mental health and stress experiences of people living…

A:

Q: Assume that we want to identify a simple random sample of 12 of the 372 doctors practicing in a…

A: It is required to select 12 random sample from the table of random numbers.Randomization is the…

Q: In order to conduct an experiment, 5 subjects are randomly selected from a group of 43 subjects. How…

A: GivenNo.of subjects(n) =43No.of subjectes to be selected(r)=5

Q: The president of the student council wants to survey the student population about parking. She…

A: Answer Yes, because each student and sample of 100 has the same chance of being selected.

Q: A physicist intended to select three out of the rainbow colour in an experiment, what are the…

A: Given: We need to select three out of the rainbow colors .

Q: In order to conduct an experiment, 5 subjects are randomly selected from a group of 36 subjects. How…

A: The formula for combination is nCr= n! / [r! (n – r)!] = [n (n – 1) … (n – r + 1)] / r!.…

Q: According to AccuData Media Research, 30% of televisions within the Chicago city limits are tuned to…

A: Solution: Given information: p= 0.30 Population proportion Eyewitness News  n = 3000  Sample size of…

Q: an environmental company is studying water samples from 80 lakes for pollution. five of the lakes…

A: Given, an environmental company is studying water samples from 80 lakes for pollution five of the…

Q: Last year, 40% of the students at GGC were in the School of Business, 10% of the students were in…

A: Null and alternative hypotheses: Null hypothesis is a nullified statement about population parameter…

Q: Suppose you want to pick 7 people out of 20 people to take part in a psychology experiment. How many…

A:

Q: The school district sets up two locations to help students with technical difficulties over the…

A: Given, The school district sets up two locations to help students with technical difficulties over…

Q: Although painful experiences are involved in social rituals in many parts of the world, little is…

A: Given information: No pain group Pain group 3.43 4.71 4.86 4.86 1.71 4.14 1.71 1.29…

Q: How many ways can 7 out of 15 patients with the same illness be randomly selected to receive an…

A: The question is asking for the number of ways to choose 7 patients out of 15. This is a problem of…

Q: Lysann Damish and her colleagues (2010) wanted to find out if belief in luck improved performance.…

A: Introduction: From the given information it is observed that μ1 the true average number of…

Q: aren is investigating the Influence of sleep on college students’ academic performance. She…

A: The null and alternative hypothesis will be:H0: There is no linear relationship b/w between sleep…

Q: Suppose you have 3 red marbles, 2 blue marbles, and 4 yellow marbles in a bag. What is the sample…

A: Given that the bag contains 3 red marbles  and 2 blue marbles  and 4 yellow marbles . We have to…

Q: The top 40 qualified applicants for a scholarship are identified and 4 are selected at random to…

A:

Q: An airline company uses a random selection method to select who boards first, second, etc. for its…

A:

Q: Out of 50 items, 6 are defective.  A sample of 3 items is chosen at random.  How many such samples…

A:

Q: Below are the data from the study described in lecture about assessing whether Beagles or German…

A: The random variable digging follows normal distribution. There are two independent samples which are…

Q: Find the probabilty that a  randomly sampled person either  uses  a  debit card or does not get a…

A: Consider the following events, A=customer uses debit cardB=customer uses cashC=customer gets vanilla…

Q: n order to conduct an​ experiment, 5 subjects are randomly selected from a group of 40 subjects.…

A: Given data, Total number of subjects n=40 Number of randomly selected subjects r=5 How many…

Q: An environmental education club has 318 members. Select all methods that would select a sample of 20…

A: the process of taking out some part of the population is called sampling. there are some techniques…

Q: A community college has 7656 students currently enrolled in classes. To gain the​ students' opinions…

A: In conclusion, the following steps were taken in order to choose an 8-student simple random sample…

Q: A Grade 11 student wants to make a study on the opinions of Grade 8 students concerning the use of…

A:

Q: There is money to send four of seven student council members on a trip to Washington DC. All want to…

A: Given Information: Number of members = 7  Number of members to be send for trip = 4

Q: Find the five‑number summaries for the pain and no‑pain groups. (Enter your answers rounded to two…

A:

Q: For a school project, 3 students need to produce a sample of students at their school.  Which of the…

A: Given: A sample of students for a school project needs to be produced by 3 students.To find: The…

Q: A researcher studies the effects of guilt on memory. First, subjects perform a very boring task for…

A: Matched pairs design: In matched pair design two treatments are assigned randomly to the same…

Q: In order to conduct an experiment,  5 subjects are randomly selected from a group of 43 subjects.…

A: It is given that there are 5 subjects (s), and all the subjects are randomly selected from a group…

Q: Sleep researchers were trying to understand the impact of cell phone use before bedtime on the…

A: