Three admission test preparation programs are being evaluated. The scores obtained by a sample of 20 people who used the programs provided the following date. Use the Kruskal-Wallis test to determine whether there is a significant difference among the three test preparation programs. Use ∝= .05

Three admission test preparation programs are being evaluated. The scores obtained by a sample of 20 people who used the programs provided the following date. Use the Kruskal-Wallis test to determine whether there is a significant difference among the three test preparation programs. Use ∝= .05

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

See similar textbooks

Related questions

Q: To test the intelligence of 10th class boys and girls in a Higher Secondary School, a sample of 83…

A: We have given that Sample size n1=95 , n2=83 Sample mean xbar1 =29.91 xbar2 =40.92 Standard…

Q: Random samples were drawn from three independent populations. The accompanying data file shows the…

A: The question is about non parametric testGiven :To find :Value of test statistic H

Q: 0% IC'O7 crushed walnuts 14.29%

A: A test for two paired samples is a hypothesis test that attempts to make a claim about population…

Q: a. What is the mearn the original samples have n = 4 scores? b. What is the mean for the combined…

A: From provided information; one sample has a mean M1= 8 and second sample has mean M2=16, two samples…

Q: A local steel pipe manufacturing company makes pipes. In a quality control assessment, a total of…

A: Given: The number of samples is k=5. The number of observations in each sample is n=4. The provided…

Q: Given the following scores of 21 students in the Science exam:…

Q: Find the Zc value for a 92% confident interval when the sample sizes 27

Q: Given the sample −1−1, 1010, 00, 1111, add one more sample value that will neither change the mean…

A: Given data : −1−1, 1010, 00, 1111 n= number of data = 5

Q: A software company is interested in improving customer satisfaction rate from the 69% currently…

A: Given Hypothesized pop. proportion, p0=0.69Favorable cases,x=146Sample size,n=193Sample…

Q: The life spans of three randomly selected tires are 32,100 miles, 41,900 miles, and 37,000 miles.…

A: By empirical rule: it says that for a normal distribution all observed data lies within three…

Q: During a barangay census, the following information was acquired. 15 children out of 23 are…

A: Given that During a barangay census, the following information was acquired. 15 children out of…

Q: third

A: Please refer to the image below

Q: You work in the admissions department for a college and are asked to recommend the minimum SAT…

A: Consider the given data:…

Q: For this study, which statements are true? A variable is the number of individuals from Minnesota…

A: A survey is being conducted

Q: Convert the following to z-score: a. Raw score of 100; mean of 60; SD of 15 b. Raw score of 95; mean…

A: Z=x-µσ This is the formula for z-score. x= raw score µ= mean σ= standard deviation (SD)

Q: The 3rd quartile of the ages of 300 students of Math class is 22 years. Which of the following…

Q: Given the sample −1, 10, 0, 11, add one more sample value that will neither change the mean nor the…

Q: b.Twenty means were piotted on a control chart. An analyst counted 13 runs above/below the median,…

Q: In each part, specify what type of analysis you might use. a. To study the effect of one factor on…

A: The study is an effect of one factor on the mean of a response variable.

Q: A local steel pipe manufacturing company makes pipes. In a quality control assessment, a total of…

A: The value of D3 corresponding to sample size 4 is 0, and value of D4 corresponding to sample size 4…

Q: A study claims that a normal female body has a temperature of 98.6 degrees Fahrenheit. The body…

A: The t test are used to make mean significant between the sample and population. It also used to make…

Q: A recent study by the u.s. census bureau determined that the median monthly housing rent was $641.…

A: The median is middle value of the observations, above or below which 50% of the observations lie.…

Q: The test statistic is 7.368. Can you draw a conclusion and interpret the decioion?

A: Solution: Given information: k= 4 categories α= 0.10 Level of significance

Q: The number of AIDS cases reported for Santa Clara County, California is broken down by race in the…

A: Given: Race Cases White 2290 Hispanic 1109 Black 478 Asian/Pacific Islander 235 Total…

Q: Describe an assumption that we are making about the distribution of the beans after “frolicking,”…

A: When marked beans are added back to the population in the cup, the researcher ask to 'frolic' or mix…

Q: A software company is interested in improving customer satisfaction rate from the 66% currently…

A: From the provided information, A software company is interested in improving customer satisfaction…

Q: Use these results from a USA Today survey in which 510 people choseto respond to this question that…

Q: The goals scored per game by a soccer team represent the first quartile for all teams in a league.…

Q: 4. Claim: Fewer than 90% of adults have a cell phone. In a reputable poll of 1059 adults, 84% said…

Q: Q10. The length of parts produced by which lathe machine satisfies the normality assumption based on…

A: Hi! Thank you for the question, As per the honor code, we are allowed to answer one question at a…

Q: A sample consists of the following n = 6 scores: 5, 5, 5, 8, 8, 8 What is the Z-score for the raw…

Q: Determine the quartiles. Q1= ______ mpg

A: Data is given We have to calculate, quartile Excel formula = QUARTILE.INC( VALUES, QUARTILE) Lower…

Q: . What statistical test should he use to analyze the data?

Q: A random sample of 72 households was selected for a phone survey. The key question asked was, "Do…

Q: 1.-The following data are the top 40 men's finish times (rounded to nearest minute) in the 2022 LA…

A: Given information: Participant Time Adolfo Carvalho 149 Agustin Musa 230 Alexander Fiorito…

Q: In a test of the quality of two television commercials, each commercial was shown in a separate test…

A: a)

Q: In independent sample tests, what is the best way to ensure equivalence between samples?…

A: Given A multiple choice question based on independent tests. Please find the below attachment for…

Q: A food service director for a national corporation suspects that people are more likely to order…

A: Chi square χ2 test: Chi square test is used to test whether the distributions of categorical…

Q: 11. 1,200 people visited the most recent car show in Atlanta. A company there wanted to do a survey…

Q: A national study report indicated that 20.5% of Americans were identified as having medical bill…

A: Given: n= 400 ,x= 95.0 p= 0.205 p̂= 95 / 400

Question

Program
B
C
540
400
450
540
400
410
600
490
530
630
580
490
490
610
480
370
550
590
620
570

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step 3

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 3 steps with 1 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

$Chi-squared Tests$

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, probability and related others by exploring similar questions and additional content below.

Similar questions

A researcher asks a sample of brothers and sisters to rate how positive their family environment was during their childhood. In this study, the differences in ratings between each brother and sister pair were compared. Type type of design described here would be _____ A. Repeated-measures design B. Matched-samples design C. Both
Identify BOTH the populationand the samplefor thesituation below.A survey of 21pharmacists from Philadelphiafound that 87% of them are vaccinated
If Ashley wants to test for GPA differences among first-, second-, third-, and fourth-year college students, which of these difference tests should she use? a. chi square test of independence b. between-subjects, two-way ANOVA. c. chi square goodness of fit test d. between-subjects, one-way ANOVA.
A reviewer checks to see if a bag of candy weighs less than advertised (e.g., 100 grams). What is the appropriate test statistic for each scenario a. One sample Z-test b. One sample t-test c. two related samples t-test d. two indepdent samples t-test
In a population of 150 pea plants, there are 89 tall-purple plants, 25 short-purple plants, 28 tall-white plants, and 8 short-white plants. In order to test if the two traits are experiencing independent assortment researchers would perform a chi squared test. What is your calculated Chi Squared statistic? What is the corresponding P value?
if the 90% Ci for the population mean is ( -2.58, 7.54) what is the sample mean О a. 2.48 Оb. 10.12 O c. 5.06 O d. can't be found
A nutritionist claims that children 13 to 15 years old are consuming less than the recommended iron intake of 20.5 mg. To test the nutritionist's claim of iron deficiency, a random sample of children 13 to 15 years old will be obtained. Assume that the data for iron intake follows the normal distribution with a standard deviation of 4.75 mg. Find the size of the sample that you should take if you want to estimate the true mean iron intake to within 1 mg with 99% confidence. 62 149 O 150 O 61
Determine what the key terms refer to in the following survey. To determine the average number of classes Oxnard College students were taking, a group of 26 Oxnard College students answered the following question: How many classes you are taking this semester? Link the following terms to the appropriate statement. | Sample | Population Statistic Parameter a. The average number of classes of all students in Oxnard College is 2.9 b. The 26 Oxnard College students who were surveyed c. The average number of classes of those 26 students in the sample is 2.3 d. All students in Oxnard College
Compute the following values and find the following: • Mean: • Median: • Mode: • Third Quartile: • Seventh Decile:
An instructor wanted to know if his students are better at math or writing. He had students take both a math and then a writing test and he compared the results using SPSS. He found the following results: ( look at graphs ) a. What test was done?b. Report results in APA style.
If Ashley wants to test for GPA differences among first-, second-, third-, and fourth-year college students, which of these difference tests should she use? A. chi-square test of independence B. between-subjects, two-way ANOVA C. between-subjects, one-way ANOVA D. repeated-measures ANOVA
Given the following scores of students in a test: 5,7,11,12,13,18 a) add 8 to each score then find the standard deviation. b) multiply each score by 7 then find the standard deviation