5. The following hypotheses are given: Ho: Forty percent of the observations are in category A, 40 percent are in B, and 20 percent are in C. Ha: The observations are not as described in Ho. We took a sample of 60, with the following results Category fo A 30 B 20 C 10 What is your decision regarding Ho? *

Q: VALENCIA COLLEGE VS SEMINOLE STATE We wanted to compared students attending Valencia College to…

A: Given that  Valencia College students report they are going to UCF X1=40 , n1=55 Seminole State…

Q: 8)  A researcher wanted to determine whether there is any difference in the popularity of football…

A: a) A null hypothesis is a statement of no difference and the alternative hypothesis is simply the…

Q: a local newspaper reported that part time students are older than full time students. In order to…

A: given data full time:x¯1  = 26s1 = 2n1 = 42part time:x¯2  = 24s2 = 3n2 = 31claim : μ1 > μ2

Q: 6, PM 0.066 18. PM 0.101

A: Given that Number of failures for business headed by womenXF=7 Number of womennF=42 Number of…

Q: A local community college has 4336 enrolled students this semester. A survey of 362 students…

A:

Q: A random sample of 1020 heads of households was taken from a customer list for a bank. The…

A: Chi-square Statistic is given by, Chi-square= summation (Oi-Ei)2/Ei Where Oi's are observed values…

Q: 6) Goofy is running for Mayor of Duckburg.  He asks  1250 ducks in Duckburg if they will vote for…

A: 6) The given sample of 1250 ducks in which 276 said that they will vote for him and a sample sample…

Q: An eye doctor keeps track of whether people who come in for testing need glasses. When she separates…

A: To check whether the eye color is independent of the need for the glasses, we will use Chi-squares…

Q: 1. Elena must take MATH 3020 next semester. She heard Dr. Instructor's class is an easy A, and she…

A: From the provided information, Sample size (n) = 35 From which 28 passed with an A.

Q: According to the M&M Mars company, 30% of M&M's are brown. A researcher thinks the claim is false…

A:

Q: When would a researcher use a judgment, or purposive, sample?

A: We know that  Judgement sampling -  It is the non probability sampling technique . Here researcher…

Q: Which of the following methods helps reduce sampling bias? O a. Take a random sample from a…

A: It is needed to find the method that reduces sampling bias.

Q: of this blend of coffee were purchased on six consecutive days from each of the six cups (measures…

A: Given, 550 354 401 610 350 358

Q: 3. A recent report stated that the proportion of teens that vape has decreased from the prior year.…

A: A group of 600 teens are randomly selected from the current year and 126 of them vape. Also group of…

Q: 3. Of U.S. residents traveling overseas, 43% were women and 57% were men. A random sample of 400…

A: Let a sample is taken The proportion of each sample is compared with the population proportion.  To…

Q: X1 = 20, n = 50, X2 = 15, n2 = 75; Ho: P1 = P2, Ha: P1 > P2, a = 0.05 ..... O A. 0.0032 O B. 0.0073…

A:

Q: Mr. Rogers believes that as people age they are less willing to spend money on clothes. He asks…

A: The objective of the question is to identify the most appropriate statistical test to analyze the…

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: f.       Interpret the p-value, according to its definition. (You are not asked to make a decision…

A: Given N=600 Mean=52.38 Standard Deviation=9.726 Standard Error (mean)=0.397 t=6.006 df=599…

Q: what decision can you make and what does that mean?  b. calculate and evaluate cohens d  c. what…

A: a. Let μ denotes the population mean. The claim of the test is that anxiety episodes in depressed…

Q: se the correct answer below. b. The test statistic is z= c. The​ P-value is enter your response…

A:

Q: Mr. Rogers believes that as people age they are less willing to spend money on clothes. He asks…

A: The objective of the question is to identify the most appropriate statistical test to analyze the…

Q: Determine the null and alternative hypotheses for the study that produced the data in the table. A…

A: The given contingency table is, Claim: Test whether there is an association exists between age and…

Q: 2. Match each p-value to the most appropriate conclusion. A 0.0245 B 0.0036 C 0.0682 "The evidence…

A: Hi there! Thanks for posting the question. As we are entitled to solve one question at a time, I…

Q: A researcher wants to see if people in California were less likely to eat turkey on Thanksgiving…

A: From the provided information,

Q: Please help me with finding the test statistic and p-value for the new information in part d. Thank…

A: Given:x̄1 = 5341s1 = 141x̄2 = 5299s2 = 191n1 = n2 = 395 d. Null Hypothesis, H0: (µ1-µ2) =…

Q: The number of successes and the sample size for a simple random sample from a population are given…

A: Given data number of success , x= 35.0 sample size, n = 50 population…

Q: An experiment yields one of five sample data points: A, B, C, D, and E. If P(A) = P(B) = P(D) = P(E)…

A:

Q: It is a fact that cities with more churches also have more murders. If I were to use that…

A: The correct answer would be "False causality." False causality, also known as a false cause or false…

Q: 1. Katerina Rogers is preparing for her Javelina throw event in the next Olympics. In 18 successive…

A:

Q: 3. There is a teacher shortage across the nation. A random sample of teachers for different school…

A: Data given    High school Middle school Elementary Total Satisfied 35 30 62 127 not satisfied…

Q: A certain company will purchase the house of any employee who is transferred out of state and will…

A: (a) The provided table can be tabulated as: The alternative hypothesis suggests that the test is…

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

A: In options A, C, D they have considered the entire population.