Use the given categorical data to construct the relative frequency distribution. Natural births randomly selected from four hospitals in a highly populated region occurred on the days of the week (in the order of Monday through Sunday) with the frequencies 54, 65, 68, 56, 59, 43, 55. Does it appear that such births occur on the days of the week with equal frequency? Construct the relative frequency distribution. Day Relative Frequency Monday Tuesday Wednesday Thursday Friday Saturday Sunday % % % % % % %

Q: regression analysis should limited in an applied business setting

A: Regression analysis method  can be used to establish  relationship between different variables by…

Q: Use the t-distribution to find a confidence interval for a mean u given the relevant sample results.…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Chi-square distribution Suppose that χ2 follows a chi-square distribution with 11 degrees of…

A: Given: Degrees of freedom(df): df=11

Q: ind the critical F-value for the following two-tailed Test the difference between variances α= 0.05,…

A:

Q: Chapter 9 10) Making sure that the scales used by businesses in the United States are accurate is…

A: From the provided information, Sample size (n) = 45 Sample mean (x̄) = 999.4 Population standard…

Q: The mean of the dataset is equal to: * The data below represents the ages of a sample of individuals…

A: Given that data  11, 3, 15, 22, 26, 28, 15, 11, 6, 11, 4, 22, 5 Mean = sum of all observations/total…

Q: The​ p-value is

A: It is given that the one-sample left-tailed or lower tail hypothesis test. ZSTAT, z = -2.23

Q: How many workers are employed? O A. O B. O C. 16.5 20.5 58.5 O D. 28.5 O E. 38.5

A: Given: Total population is 60 million. Working age population, non-institutionalized, non military…

Q: You are the manager of a restaurant for a​ fast-food franchise. Last​ month, the mean waiting time…

A: Given datan=81x¯=3.59s=0.9μ=3.7

Q: d.  What approximate distribution can be used for X? Provide all characteristics. Check all…

A: Given: The probability that the patients in the study experienced weight gain as a side effect,…

Q: Determine the relative frequency for the third class as a simplified fraction.

A: It is given that the frequency table representing the distribution of hours students spend on…

Q: L6Q4.If A and B are dependent events, to find the probability that the two dependent events would…

A: Dependent events:Two events are said to be dependent when the outcomeof the first event influences…

Q: Find the sensitivity and the specificity

A: here given , A medical research team wished to evaluate a proposed screening for diabetes. The test…

Q: in a sample of n=14 selected from a left​-skewed ​population, X=66 and S=25​, would you use the t…

A:

Q: he average birthweight of newborns at a local hospital have a normal distribution with a mear 7.6 lb…

A: Given data,Mean μ=7.6sd    σ=2.4P(X>7.9)=?

Q: Assume that a sample is used to estimate a population proportion p. Find the 95% confidence interval…

A:

Q: No distibilor believes the amount of beer in a 12-ounce can of beer has a normal ibution with a mean…

A: A beer distributor believes that amount of beer in a 12 ounce can of beer has a normal distribution…

Q: A diet guide claims that you will get 120 calories in a serving of vanilla yogurt. Consumer Reports…

A: Parametric test are used when the population follow any distribution. Some of the example of…

Q: L6Q1. What is the probability of choosing a yellow ball and a green ball from the box with…

A:

Q: Employment data at a company reveal that 76% of employees are married, and 54% of employees are…

A:

Q: Test the claim that there is correlation between (Consumer Price Index) CPI and Cost of Pizza with ?…

A: The following information has been given: CPI (x) Cost of Pizza (y) 30.2 0.15 48.3 0.35…

Q: Pretend that you buy a $200 dollar stock. A. If the price goes up 10% on Monday, up 5% on Tuesday,…

A:

Q: X has a standard normal distribution. Derive the mean, variance, cdf and pdf of |X|. Show working

A: Given: X has a standard normal distribution i.e., X∼N(0,1) Required: To derive the mean, variance,…

Q: A fair, six-sided die is rolled 5 times. What is the probability of rolling a 3 on just one of the…

A:

Q: You have to examine the relationship between the age and price for used cars sold in the last year…

A: Given : No. of observation (n) = 11 Car Age (in years) Price (in dollars) 4 6300 4 5800 5…

Q: A large sports team claims that, on average, 13000 fans attend a game at their stadium. A company…

A: Given information Sample mean x̅ = 14900 Population mean µ = 13000 Sample size n = 19 Standard…

Q: Which of the following plots is most useful for de O Box and whiskers plot O Frequency polygon O…

A: It is given that the statement about to the plot. Here, need to find out the correct choice for the…

Q: ovide a written description of how s of performance. In your respons= bad" item. EXAMPLE: "This iten…

A: The Given figure is To provide a written description of how test the given items.

Q: In a random sample of 400 ​items, 70 are defective. If the null hypothesis is that 21% of the items…

A: Givensample size(n)=400No.of defecctive(x)=70Null hypothesis  H0:p=0.21

Q: A statistics class weighed 20 bags of grapes purchased from the store. The bags are advertised to…

A: Confidence interval has two limits, they are upper and lower limits. Confidence interval middle…

Q: 1. Pretend that in a certain city the number of new cases of COVID was reported to be 200 new cases…

A:

Q: Verify the following identities. (a) A\B=A\(ANB) = An B (b) B (BNA) U (BNA) = (c) B\A= BnA (d)…

A:

Q: The dean of students at a large college is interested in learning about their opinions regarding the…

A: Experiment is the study used to understand something about the population. In an experiment,…

Q: Two balls are drawn successively without replacement from a box which contains 4 white balls and 3…

A: Answer:- Two balls are drawn successively without replacement from a box which…

Q: A random sample of 40 binomial trials resulted in 16 successes. Test the claim that the population…

A:

Q: Determinations of saliva pH levels were made in two independent random samples of seventh-grade…

A: Given data: A 7.14 7.11 7.61 7.98 7.21 7.16 7.89 7.24 7.86 B 7.36 7.04…

Q: For this problem, carry at least four digits after the decimal in your calculations. Answers may…

A: Given,n=66x=45α=1-0.95=0.05α2=0.025Z0.025=1.96       (from Z-table)

Q: orms/d/e/1FAIpQLSfwjvZCJ6AjDdOt5bsxVgqr8s-ytVsd Tjfkgg TATxs9csBxtA/formResp The variance is equal…

A: Given data X:11,3,15,22,26,28,15,11,6,11,4,22,5 n=13 So, ΣX=179 ΣX2 =3327 Xbar =ΣX/n =179/13…

Q: You wish to test the following claim (Ha) at a significance level of a = 0.001. Η :μ = 66.8 Ha: μ >…

A: Given information Sample mean M = 74.9 Population mean µ = 66.8 Sample size n = 8 Standard deviation…

Q: Use the t-distribution to find a confidence interval for a mean given the relevant sample results.…

A:

Q: What are the hypotheses for the​ t-test? Let population 1 be weights before therapy and let…

A: Given data: Before After 82.1 93.0 84.7 89.1 81.3 91.7 85.4 99.5 78.4 77.0 86.0 98.4…

Q: The time it takes me to wash the dishes is uniformly distributed between 12 minutes and 20 minutes.…

A: uniform distribution is also known as rectangular distribution. All the values of uniform random…

Q: For the distribution N(10,4) match the probabilities below:  Group of answer choices P(X -1.25)…

A: Given distribution is normal distribution Let X~N(μ=10, σ=4) Then Z=X-μσ follows standard normal…

Q: Researchers are comparing the proportion of Penn State University Park students who are Pennsylvania…

A:

Q: Three investors are dividing a piece of land worth $175,000. Each investor's value in thousands for…

A: From the given information, three investor's value in thousands for each of the three pieces of the…

Q: onsider the following data. 14,6,−11,−6,5,1014,6,−11,−6,5,10 Copy Data Step 1 of 3:  Determine…

A: data: 14,6,−11,−6,5,10,14,6,−11,−6,5,10 we have to find mean = ?

Q: Which of the following would decrease the margin of error?

A: Here Given  Sample Size=100 95% Confidence Interval of true proportion of animals adopted each month…

Q: f, in a sample of n=107 selected from a right​-skewed ​population, X=62 and S=21​, would you use the…

A: The following information has been given: The sample size is n=107. The sample mean is x¯=62. The…

Q: Which questions would you pair to form a cross tabulation to uncover the following relationships?…

A: The following are the pairs of questions used to form a cross tabulation from a set of data that…

Q: Salaries of 42 college graduates who took a statistics course in college have a mean, Click here to…

A: Given datan=42x¯=$68700σ=$18646