A researcher wanted to know which local brewery had the best IPA. Each participant tried a sample from all three different breweries (Ore Dock, Black Rocks, and Barrel + Beam) and was asked to rate each one on a scale of 0-100. Use the six steps of hypothesis testing to determine if there was a significant effect of brewery on IPA popularity ratings. participant ore dock black rocks Barrel + Beam 1 40 30 53 2 42 45 65 3 30 38 64 4 37 32 43 5 23 28 38   What is the SS between?

Q: ording to the Bureau of Labor Statistics (BLS), the median weekly earnings for men in the sales and…

A: Given data :  $627, $617, $732, $735, $639, $569, $494, $566, $648, $767, $683, $604, $727, $896,…

Q: A local pizza company ran a taste test with 3 different sauce recipes. The study consisted of 60…

A: It is given that a local pizza company ran a taste test with 3 different sauce recipes.

Q: A recent drug survey showed an increase in the use of drugs and alcohol among local high school…

A: Statistical hypothesis testing is an important method in inferential statistics. It is used to test…

Q: Researchers reported a study in which 396 domestic violence defendants were randomly assigned to…

A: The number of people arrested within 12 months in the counselling group is 48 out of 224.

Q: A hospital found out that there is a higher incidence of food poisoning in adults than in children.…

A: Given that, A hospital found out that there is a higher incidence of food poisoning in adults than…

Q: Compute the value of the test statistic. (to 2 decimals)  What is the p-value?

A: The test statistic is, t=x¯1-x¯2s12n1+s22n2=6.82-6.250.64216+0.75210=0.570.28609439=1.9923≈1.99…

Q: Candidate T wants to determine if there is a difference in his popularity between men and women.  To…

A:

Q: Past studies have indicated that the percentage of smokers is estimated to be about 33%. Given the…

A:

Q: Which of the following situations is appropriate for a two-factor (also called two-way) ANOVA test?…

A: Which of the following situations is appropriate for a two-factor (also called two-way) ANOVA…

Q: If a hurricane was headed your way, would you evacuate? The headline of a press release states,…

A: Sample size = n = 4625 Sample proportion = p̂ = 0.32

Q: Suppose Diana, an educational researcher at a local university, wants to test the impact of a new…

A: Diana selects a simple random sample of 68 freshmen and divides them into 34 pairs. we have given,…

Q: The Bangor Humane Society tracks cat adoptions closely, and in the past has seen 60% of people who…

A: We know if we have sample size n and number of success is X then, proportion of success is    p^ =…

Q: Three composition instructors recorded the number of spelling errors which their students made on a…

A:

Q: Health insurance benefits vary by the size of the company (the Henry J. Kaiser Family Foundation…

A: a:For the given data, the chi-square test for association is appropriate.Null Hypothesis:H0: The…

Q: A new soft drink is being market tested. A sample of 400 individuals participated in the taste test…

A: a)Rules to construct hypothesis :- we know that null hypothesis always contain sign ≤, ≥,=and…

Q: A hospital found out that there is a higher incident of food poisoning in adults than in children.…

A:

Q: Online customer service is a key element of online retailing. According  to the WSJ Market Data…

A: The given values are:Proportion of Priceline customers who take advantage of online customer…

Q: 18 b.  What is the null hypothesis?    c. What is the value of  t obtained.  d. What is the…

A: Step 1 of 4 16. A governmental ecology agency hired a nurse to investigate the impact of a lead…

Q: The success status of 300 students who took the university exam from 3 different cities is as…

A:

Q: If you have a study design that requires a single sample exposed to different levels of the…

A: Independent samples are taken from two different populations.

Q: A local pasty company ran a taste test with 3 different pasty recipes. The study consisted of 60…

A: Choice of Statistical Test depends on several factors.

Q: In order manufacturer is claiming that its new 2021 SUV model will have better gas mileage than the…

A: (a) The null and alternative hypothesis is, H0:u=30H1:u>30              (right tailed/one tailed)…

Q: In June 2012 the Gallup organization conducted a pollusing a random sample of 1004 adults, aged 18…

A: From the given information, we have confidence Interval is 95%  Sampling error is 4 percentage…

Q: Random samples of 110 homes in Kingston, Ontario (₁) and 100 homes in Owen Sound, Ontario (1₂) were…

A: sample size of homes in kingston(n1)=110sample size of homes in Owen sound(n2)=100presence of…

Q: Sally, a recent graduate of the University of Arkansas, accepted a position as an event coordinator…

A: Given Data : For Sample 1 x̄1 = 1629.90476 s1 = 11.1803 n1 = 25 For…

Q: A marketing survey involves product recognition in New York and California. Of 200 New Yorkers…

A: Given, A survey involves product recognition 50 knew the product out of 200  n1=200, x1=55 77 knew…

Q: the 1920's about 97% of the U.S. colleges and universities required a physical education course for…

A:

Q: What is the sample space for an experiment?

A: An experiment is an activity which has observable values. The results obtained from the experiment…

Q: A software company is interested in improving customer satisfaction rate from the 80% currently…

A: Given that  Sample size n =243 Favorable cases x =205 Sample proportion p^=x/n  =205/243 =0.8436…

Q: is it a cluster sample

A: Cluster Sampling: A heterogeneous population is divided into homogeneous groups and which is used…

Q: A professor wants to know which type of instructional mode students had more satisfaction.  The…

A: Given : Online(1) Hybrid(2) Face to Face(3) 3 1 2 3 3 2 4 1 2 3 3 1 3 2 3

Q: To study how water pollution has affected fishery, a scientist randomly selected 8 lakes of Florida.…

A: Given: Mercury Alkalinity 1.3 6 0.7 27 0.2 84 0.2 67 1.3 3 0.5 25 0.5 30 0.3 82

Q: Four scenarios of statistical studies are given below. Decide which study uses a population…

A:

Q: who live within 20 miles of the coast in high hurricane risk counties of eight southern states. In…

A: It is given that sample size (n) is 4,625 and p hat value is 1-0.32 = 0.68.

Q: Give an example of a study for which the one sample z-test would the appropriate test statistic to…

A: The objective is to give an example of a study for which the one sample z-test would the appropriate…

Q: In a random sample of missions flown by B-17’s, 38 returned and 24 were lost. In a random sample of…

A: Statistical hypothesis testing is an important method in inferential statistics. It is used to test…

Q: The National Football League (NFL) is conducting a survey of fan behavior by collecting a random…

A: Null and alternative hypotheses: The investigator is specifically interested to test whether the…

Q: For each scenario listed below, determine whether the scenario represents an Samples or Dependent…

A: The matched pairs study is a study where the same participants are tested more than once in the…

Q: If you have a study design that requires two different samples, what sort of test might you…

A: Matched pair t test is used  to test for same experimental unit.

Q: Explain if there was a statistically significant difference between the group means. did you arrive…

A: Test is that whether there was a difference between the three means. Level of significance = 0.01