The number of men and women among professors two academic areas (Science or Humanities) from a simple random sample of small colleges were counted, and the results are shown in the table below.   Science Humanities Men 28 32 Women 12 28 Use the ?=0.01α=0.01 level of significance to determine whether or not the relationship between sex and academic area is statistically significant. (a) ?2=χ2=  (b) Magic number =

Q: A software company is interested in improving customer satisfaction rate from the 62% currently…

A: For the given data Find test statistic =?

Q: Magnetic surveying is one technique used by archaeologists to determine anomalies arising from…

A: Consider r be a random variable which follows binomial distribution here indicates the number of…

Q: s there an association between hair color and body type? The table below shows the results of a…

A:

Q: Biration 20,20. In a recent diet survey the following results were found in an Indian city: No. of…

A:

Q: Before Pregnant Woman After Treatment Difference Sign Treatment 1 8 3 2 10 7 3 6 5 4 8 10 5 11 10 6…

A: Given data: Pregnant woman Before treatment After treatment 1 8 3 2 10 7 3 6 5 4 8 10 5…

Q: In a science fair project, Emily conducted an experiment in which she tested professional touch…

A: Emily flipped a coin to select either her right hand or her left hand and the therapists were asked…

Q: In a random sample of 40 brown-haired people, 22 indicated that they use hair coloring. In another…

A: Given : In a random sample of 40 brown-haired people, 22 indicated that they use hair coloring. In…

Q: The types of browse favored by deer are shown in the following table. Using binoculars, volunteers…

A: The chi-square test is a statistical test which is used to check the independence between two…

Q: A study of bone density on 5 random women at a hospital produced the following results. 37 41 49 330…

A: The given data is based on a study of bone density on 5 random women at a hospital.AgeBone…

Q: Where are the deer? Random samples of square-kilometer plots were taken in different ecological…

A: Given Deer counts per square km.

Q: Calcium is essential to tree growth because it promotes the formation of wood and maintains cell…

A: From the provided information, a) The hypotheses are as follow: H0: µ = 0.12 mg/L H1: µ ≠ 0.12 mg/L

Q: What is the observed z/t-score? The Center for the Study of Violence wants to determine whether…

A:

Q: 00000 2. A study is conducted to assess the efficacy of bisphosphonate treatment in preventing…

A: The objective of this question is to determine the mathematical expression that should be used to…

Q: 3. Agraduate school committee is studying the relationship between x, an applicants' undergraduate…

A: 3.d. The correlation coefficient measures the relationship between two variables. The correlation…

Q: A A researcCher asks participants to taste each of three meals and to choose the one they like best.…

A: Given:     Low calorie Moderate Calorie High Calorie f0 17 6 7 fe 10 10 10

Q: Page 471 4. Prison Time According to a public service website, 69.4% of white collar criminals get…

A: Step 1: Suppose p is the population proportion of white-collar criminals serving prison time.The…

Q: Blood pressure in women: The three quartiles for systolic blood pressure in a sample of  1213 women…

A: The Interquartile Range (IQR) is a measure of statistical dispersion, being equal to the difference…

Q: A sample of n -9 scores is obtained from a population with u- 70 and o - 18. If the sample mean is M…

A: Given that, n=9μ=70σ=18M=76

Q: Q2.1 Colonoscopy A colonoscopy is a medical procedure used to detect abnormalities in the large…

A: Sample SizeHad a ColonoscopyColorectal Cancer3550344No Colorectal Cancer4123288

Q: Magnetic surveying is one technique used by archaeologists to determine anomalies arising from…

A: Let,   X: magnetic susceptibility reading for a randomly chosen site at an archaeological research…

Q: this is a statistical question Consider the monthly salary of all 5 employees of a company:…

A: Given monthly salaries of all 5 employees of a company is salary={20,30,22,20,16}

Q: Please answer number 13.

A: It is given that 43% had no children, 18% are had one child, 18% are have two children, 21% have…

Q: The data on the number of chocolate chips per bag for 42 bags of Chips Ahoy! cookies were obtained…

A: Solution: a. Let X be the number of chips per bag for all bags of chips Ahoy! Cookies. From the…

Q: In a science fair project, Emily conducted an experiment in which she tested professional touch…

A: The probability is the chance of occurrence of any observation can involve in the sample with equal…

Q: ❎♦️♦️♦️✅❎♦️♦️✅✅♦️♦️

A: Step 1: Given that:Emily uses a coin toss to randomly select either her right hand or left hand.The…

Q: The table below shows results from a recent General Social Survey on two variables, respondent sex…

A: Null hypothesis: Null hypothesis is the statement about parameter of population. Alternative…

Q: P(A)=0.71 P(G)=0,57 P(BUA)=0.85 P(BIA)= ニ PaB)

A: aaa

Q: scientific study was conducted to determine the hours of sleep that college students get per night.…

A: We want to calculate mean , margin of error and confidence interval  Observation: XX 1 7.7 2…

Q: Number of Jobs The U.S. Bureau of Labor and Statistics reported that a person between the ages of 18…

A: Key references: Foote, C., Nordhaus, W. D., & Rivers, D. (2020). The US Employment Situation…

Q: In a science fair project, Emily conducted an experiment in which she tested professional touch…

A: The number of trials conducted is n=289The number of therapists were correct is x=137It is required…