#3 A special fat reducing diet is tested on 16 women. The results of the test indicated that the mean weight loss was 12 pounds. If the standard deviation was 1.8 pounds, construct a 90% confidence interval for u, the true mean weight loss.

Q: 4) The file contains the cost (in cents) per 1-ounce serving for a sample of 13 chocolate chip…

A: 4) Given data: 54, 22, 25, 23, 36, 43, 7, 43, 25, 47, 24, 45, 44

Q: In one study of smokers who tried to quit smoking with nicotine patch therapy, 37 were smoking one…

A: We have given thatn = 67x = 30p̂ = x/n = 30/67 = 0.4478Significance level (α) = 0.10

Q: What is the value of the –intercept? Write a sentence to interpret the  –intercept in context. Does…

A: Regression equation has two regressors, they are slope and intercept. Slope is the changing variable…

Q: 28 Actress (years) 30 30 Actor (years) 63 41 39 The ages are matched according to the year that the…

A:

Q: b) Suppose that X₁, X₂, ..., X, denotes a random samples from a gamma distribution f(x; a, B). i)…

A: We have to find the minimum sufficient estimator for β from gamma distribution f(x,ɑ,β)

Q: 132,000 189,000 270,000 324,800 269,000 340,000 222,000 135,000 169,900 310,000 142,900 86,000…

A: Given information: x 132000 324800 222000 310000 285000 189000 269000 135000…

Q: If a binomial distribution satisfies the criterion for using the normal approximation with p = 0.15,…

A:

Q: The percent of fat calories that a person in America consumes each day is normally distributed with…

A: GivenMean(μ)=36standard deviation(σ)=9

Q: The following data represent the means for each treatment condition in a two factor experiment. Note…

A: Given The data is as follows:   B1 B2 A1 10 25 A2 40 ?

Q: a) Let X₁, X2, X3,..., Xn be a random sample of size n from population X. Suppose that X follows an…

A: Note: According to Bartleby guidelines expert solve only one question and maximum three subpart of…

Q: Provide an example of a random variable with variance of 0

A: Given that We have provide example of random variable with variance of 0

Q: The annual salaries of six employees of a company are as follows:  $22.000 $35,000 $22,000 $46,000…

A: Given data is 22000,35000,22000,46000,57000,90000

Q: The following data were obtained from an independent-measures research study comparing three…

A:

Q: Construct a scatterplot and identify the mathematical model that best fits the data. Assume that the…

A: X (pounds of oranges) 4321 5012 5239 5366 8978 25413 Y (gallons of Orange juice) 341.3 391.5 399.6…

Q: Compute the standard error for the sample mean \bar xxˉ from a SRS of 16 observations with sample…

A:

Q: (a) Suppose the sample of chickens from Supplier A contained 100 ppb of arsenic. Use the…

A: Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Q: (a) Write the regression equation. ŷ= -11.320 +0.788x₁ +0.151x2 ✓ (b) Interpret the coefficients of…

A: Given that, Dependent variable (y) = Sales Independent variables: x1 = Advertising expenditures x2 =…

Q: Use the Table of Descriptive statistics, correlation (r), the standard error of the correlation…

A: From the computation r = 0.724224 zr=0.5ln1+r1-r=0.5 ln1.72420.2758=0.9164 SEzr =1n-3=112-3=0.33 The…

Q: In a random sample of 200 students at a university, 166 stated that they were nonsmokers. Based on…

A: given data, x=166n=200CI=0.99α=1-0.99=0.01p^=Xn=166200=0.83

Q: How would i find:  the 90​% confidence interval is enter your response here <(p1−p2)< enter your…

A:

Q: xperiments. In each case, it was known if the subject lied or not, o the table indicates when the…

A: Solution: Claim:  Subjects lies are independent of the polygraph test indication.

Q: compute η2

A: η2  is given by : η2=SSbetweenSStotal

Q: e claim that the type of crime is independent of whether the criminal was a stranger. ick here to…

A: Solution: Claim: The type of crime is independent of whether the criminal is a stranger.

Q: What is the function to got variance sigma 40?

A: Variance σ 2=1600                  σ =√1600  Standard deviation σ=40  In function form…

Q: What is the t-statistic for the sample mean difference? B) How many degrees of freedom are there…

A: From the given information we conduct hypothesis test.

Q: On June 28, 2012 the U.S. Supreme Court upheld the much debated 2010 healthcare law, declaring it…

A: Given: n = 1012 P(Constitutional) = 0.46 P(Constitutional) = 1 - P(Constitutional) P(Constitutional)…

Q: Using the artofstat.com website, click on Web Apps, Permutation Test.You should be on the tab at the…

A: The objective is to find the p-value for the Permutations test.

Q: What is the value of SP for the following set of data? X         Y 2          1 4          2 9…

A: X       Y       X Y 2 1 2 4 2 8 9 8 72 ∑x=15 ∑Y=11 ∑XY=82

Q: K A simple random sample of front-seat occupants involved in car crashes is obtained. Among 2752…

A: We have given thatn1 = 2752 , x1 = 28n2 = 7604 , x2 = 19Significance level (α) = 0.01

Q: A study was conducted to determine the proportion of people who dream in black and white instead of…

A: The question is about hypo. testing Given : Total no. of people over the age of 55 ( n1 ) = 321 No.…

Q: 3. The following data represent the length of time, in days, to recovery of patients randomly…

A: We have to find the 90% confidence interval estimate for the difference of means.

Q: An exercise scientist wants to know if there is a relationship between explosive leg power and…

A: Given that, The excercise scientist wants to know if there is relationship between explosive leg…

Q: The owner of a new pizzeria in town wants to study the relationship between weekly revenue and…

A: From the given ANOVA table we have to find adjusted coefficient of determination Ra2

Q: Determine E (X) and V(X) x -1.0 -0.5 0.5 1.0 a. E(X) = 1/8 V(X) = 0.4219 b. None O c. E(X) = 0 V(X)…

A: E(x) = (-1 x 1/3) + (-0.5 x 1/6) + (0.5 x 1/6)             + ( 1 x 1/3)        = (-1/3) + (-1/12) +…

Q: Scores 2 4 6 8 10 12 Mean 7.2 What is A? Frequency 4 A-3 A 16 A A-7

A:

Q: hat should the APA Results section look like?

A: Given Group Statistics                         Protein              Body Fat %                  Mean…

Q: 0.10 Complete the following. (If necessary, consult a list of formulas.) (a) Find the expectation E…

A: It is given that the random variable X with probability distribution function.

Q: A set of X and Y scores has SSX = 8, SSY = 15, and SP = 40. What is the slope for the regression…

A: given data SSx = 8SSy = 15SP = 40

Q: A sample of 100 people is classified by gender (male/female) and by whether or not they are college…

A: Given that, A sample of 100 people is classified by gender and by whether or not college graduates.…

Q: Create a distribution of 1000 simulated sample statistics we might expect to see if the null…

A: The objective is to describe the shape, center, and variability of the distribution of simulated…

Q: our company wants to improve sales. Past sales data dicate that the average sale was $200 per…

A: Given that  Sample size n =9 Sample mean=250 Standard deviation =36

Q: where y = Bo + B₁x₁ + ₂x₂ + 3x3 + E X₁ = number of competitors within one mile X₂ = population…

A: Given regression equation is, y^=10.9-4.2x1+6.8x2+15.9x3

Q: ANOVA df Total SS Regression 2 121.0625 60.5312 50.1910 Residual 9 10.8542 1.2060 11 131.9167 MS…

A: Solution: Given information: n= 12 observation  k= 1 independent variables

Q: 1. In a sample of 20 bolts, the average breaking torque was 89.7J with a standard deviation of 8.2…

A: Given: In a sample of 20 bolts, the average breaking torque was 89.7 J with a standard deviation of…

Q: Before changes to its management staff, an automobile assembly line operation had a scheduled mean…

A: Given,sample size(n)=60sample mean(x¯)=12.4population standard deviation(σ)=1.2and α=0.05

Q: QUESTION 18 The degrees of freedom for a table with 7 rows and 4 columns is a. 28. O b. 11. O c. 9.…

A: Degrees of freedom for the table with r rows and s columns is (r-1)*(s-1) Here number of rows is r=…

Q: A seasonal ARMA model can be written as X₁ = Xt-12 + Zt+ 0 Zt-24. Determine which of the following…

A: Given, a seasonal ARMA model can be written as            Xt=ΦXt-12+Zt+Θ Zt-12

Q: According to a recent article about individuals who have credit cards, the mean number of cards per…

A: Here, the significance level, α=0.05 The sample mean and sample standard deviation are computed as…

Q: Best Actress 27 30 30 58 33 31 42 Best Actor 40 43 49 49 58 48 36 44 30 63 22 46 56 39 53 43 34 Find…

A: From the above data. The independent variable X is Best Actress  The dependent variable Y is Best…

Q: A study was done on proctored and nonproctored tests. The results are shown in the table. Assume…

A: Given n1=34 n2=32 S1=11.89 S2=22.86