When Y,,Y,.,Y, is a random sample from N(u,0), we learned in class that the has t distribution with n-1 degrees of freedom, where Y and S are statistic T = S/ n-1 the sample mean and sample standard deviation, respectively. Write out the form of T² and show algebraically that T2 can be written as the ratio of two independent x random variables, each divided by their respective degrees of freedom. What is, therefore, the distribution ofT?

Q: Given the sample statistics n= 13, E F;= 138, L; = 577, SFL = -43, SFF = 1735, estimate the expected…

A:

Q: 1. Compute the margin of error E: CL= 99%, s 21, n = 8

A: As per company guidelines I solved only First questions .thank you

Q: Assume the population data in this scenario is normally distributed. a. What is the probability that…

A: Let X be the random variable from Normal distribution with mean (μ) = 120, standard deviation (σ) =…

Q: A local restaurant claims that the waiting time for its patrons to be served is the lowest in the…

A:

Q: a. Complete the table (Use 4 decimal places when applicable) b. What is the cumulative relative…

A: here given ,  frequency table for # of times floss per week (x)

Q: 72% of all Americans are home owners. If 49 Americans are randomly selected, find the probability…

A: Given that  n=49 , p=72%=0.72 Note: According to bartleby experts question answers guidelines an…

Q: The side effect of flu syndrome was reported by 8 people taking Botox and 2 people taking a placebo.…

A: Fishers exact test is used to test the independence of attribute for two nominal variable. It helps…

Q: You are given the following information: random sample of independent, normally distributed…

A: Given: n = 26 σ= 6 μ= 40 α= 0.05

Q: State the null and alternative hypothesis for this test. Ho: p =v Determine if this test is…

A:

Q: cupons was distributed to cyclists passing through an enterance gate. In the previous study, out of…

A:

Q: B. Compute the z for the given word problem. 1. Newborn babies are more likely to be boys than…

A: From the provided information, Sample size (n) = 25468 From which 13173 were boys. Sample proportion…

Q: ogit model with 20 observations, 1 independent variable whose values are natural numbers between 1…

A: odds(x+1)odds=1.136p = 0.52odds = p1-p=0.521-0.52=0.520.48=1.0833log(odds) = ln p1-p=ln…

Q: The school registrar estimates that the dropout rate of senior high schools in Cavite is 47%. Last…

A: We have given that p = 47% = 0.47 n = 187x = 10p̂ = x/n = 10/187 =  0.0535Significance level (α)  =…

Q: Costco sells paperback books in their retail stores and wanted to examine the relationship between…

A:

Q: A soda company distributes diet cola in bottles label 32 oz. The Department of Trade and Industry…

A: Hello! As you have posted 2 different questions, we are answering the first question. In case you…

Q: The percentage of titanium in an alloy used in aerospace castings is measured in 51 randomly…

A:

Q: The median of the probability distribution of a random variable X is that value m which makes the…

A:

Q: Find the 14th percentile, P14, from the following data 12 15 16 18 28 29 32 33 39 47 55 56 57 58 62…

A: Given that  The data are…

Q: Each year, Hudson's Bay Company sets up a gift-wrapping station to assist its customers with holiday…

A:

Q: An LED light bulb manufacturer claims that the average lifespan of its 60-watt LED light bulbs is…

A:

Q: Mode = 35.4 a) Find the value of Pearson's Coefficient of skewness 1 and 2. (0.19,0.58) b) Determine…

A: Given that ; Average = 64.6 Mode = 35.4 Median = 34.3 Variance = 24432.1 By using the Pearson's…

Q: Identify a product of Rebisco with 15 pieces and 495 grams. Measure the weight (g) or length (cm) of…

A: Each hypothesis test used to determine the mean significance. Each hypothesis test has two…

Q: Suppose that you observe a random sample (z., )}N, from the model where e, independent of z. Ee, =…

A: Suppose (x1,y1),(x2,y2),...(xN, yN) be a random sample from the model yi=βxi+ui and ui=h(xi)∈i Where…

Q: MEGA 6 is one such game. In the game a player selects 6 numbers from 1 – 28. If you match all 6…

A: MEGA 6 is one such game. In a game, a player selects 6 numbers from 1-28. If you match all 6…

Q: Consider the following regression model wage 0+3male+imale edut Bedutu where wage is the hourly wage…

A: From the given information, The regression model is, wage=β1+β2male+β3male*edu+β4edu+u Here,…

Q: The following data shows the volume of 60 cans of soda taken at random. 120.5 120.2 120.4 119.7…

A:

Q: Consider results of 20 randomly chosen people who have run a marathon. Their times, in minutes, are…

A: For the given sample of values sample mean=213.75, from the excel function, =AVERAGE(L1:L20) sample…

Q: ACTIVITY 2 - STATISTICAL ANALYSIS I. Follow the steps in testing hypothesis to answer the problem:…

A:

Q: Calculate the total area (m2) of a cross section using Simpson's 1/3 Rule. Consider the following…

A:

Q: 6. State your obtained F from the SPSS output, the dfs, and your significance level (p-value). 7.…

A: Anova is a type of parametric test and follows the equality of variance assumption. It used to…

Q: The accuracy of the experimental method was assessed by the results of the t-test. How would this…

A: Precision for a dataset means how closely the observations are clustered around the mean of the…

Q: A construction company wants to estimate how likely it is that one of the screws they use for their…

A:

Q: Complete parts (a) through (h) for the data below. 3. 4 7 8 12 17 20 (c) Graph the line found in…

A:

Q: b. It has been reported that the average credit card debt for the newly employed is $3350. The…

A:

Q: The following data shows the volume of 60 cans of soda taken at random. 120.5 120.2 120.4 119.7…

A: The histogram made with R software

Q: sampling?

A:

Q: Assuming that the samples come from the normal distributions, find the margin of error E and the…

A: We have given that the samples come from the normal distributions. The sample mean, sample standard…

Q: SOLVE FOR THE FOLLOWING with complete solution:  1, 2, 2,  3, 4, 4, 5, 6, 7, 8, 8, 9, 11, 13, 15,…

A:

Q: Express the confidence interval (75.7 % , 86.5 % ) in the form of p + E. %土

A:

Q: Calculate the p-value for each of the given hypothesis test scenarios below. For each test, assume…

A: As per guidelines expert have to answer first question only dear student please upload other…

Q: SOLVE FOR THE FOLLOWING with complete solution:  1, 3, 4, 5, 5, 6, 8, 8, 8, 9 A. 1st Quartile B.…

A:

Q: About how many participants do you need for 80% power in each of the planned studies to the right…

A:

Q: (c) Food delivery order received by a fast food restaurant during day time follows Poisson…

A: Let X be the food delevery order received  X~Pois(λ=12)

Q: 2. The blood groups of 200 people are distributed as follows: 40 have type A blood, 75 have type B…

A: Here AS PER NOTE GIVEN I HAVE CALCULATED Q 2 AND 3 Here use basic probability and poission process

Q: Latino Yes No Total 1645 Experience emotional stress Yes Count 263 1382 % within hispanic 17.4%…

A: The contingency table are used to understand the frequency of the categorical variable. It is also…

Q: Suppose that 20% of all copies of a particular textbook fail a certain binding strength test. Let X…

A:

Q: A random sample of 2300 adult women indicated that 1341 of them asked for medical assistance last…

A:

Q: A random sample of 50 suspension helmets used by motorcycle riders and automobile race-car drivers…

A:

Q: Sketch a normal distribution/bell curve with a mean of 60 and a standard deviation of 20.  What…

A: Given that  X~Normal( μ=60 , σ=20 )

Q: Construct all random samples consisting of three observations from the given data. List all the…

A: Given Information: No. of samples (x)=05 Let, x1=83x2=86x3=89x4=92x5=95