The side effect of flu syndrome was reported by 8 people taking Botox and 2 people taking a placebo. For comparing these, software reports the following results: Rows: Treatment       Columns: Flu              No                     Yes Botox    397                     8 Placebo   130                   2 Fisher's Exact test: P-value=1 1) What is the explanatory variable here? What is the response variable? 2) Why was a Fisher's exact test used here? 3) What would you conclude about the association between the explanatory variable and the response variable here?

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

A: Given that  Average fast food restaurants during day time order per hour=12

Q: $2 for t = - 1.78, s, = 0.83, s2 = 0.57, n, = 33, and n2 = 34. n2 Evaluate E=t %3D - E = (Round to…

A: We have given that,  t* = -1.78, s1 = 0.83, s2 =0.57, n1 = 33, n2 =34 Then,  We will find the E = ?

Q: The probability density function of a random variable Y is given by [24y(10+2y-0.3y²) f, (y) =} ', 0…

A: Given information: a) Consider, Ey=∫010yfydy       =∫010y*24y10+2y-0.3y21000dy       =5.6…

Q: A study conducted by Columbia University compared the cognitive ability of stroke patients three…

A:

Q: By various methods of selecting variables, 7 good models are considered with following numerical…

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

Q: a. The content of brown sugar inside a packet is normally distributed with mean 250 grams and…

A: 3a) The mean is 250 grams and the standard deviation is 5 grams.

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

A:

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

A: A sample of size 3 is desired to be derived from the population of 83, 86, 89, 92, and 95 (i.e., the…

Q: Listed below are paired data consisting of amounts spent on advertising (in millions of dollars) and…

A: Let X =advertising and Y=cost profit  Data given X=3,4,5,6,7,8,9,10 Y=28,15,21,21,29,30,28,29

Q: Which of the following is not true about the standard normal distribution?     The total area…

A: Given that  Z follows standard normal distribution with mean zero and standard deviation one

Q: Complete parts (a) through (h) for the data below 30 40 50 60 70 y 80 77 73 66 52

A: Scatter diagram are useful to visually examine the slope, direction of data set.

Q: When you purchased your car, the dealer told you that your average gas mileage on your car was…

A:

Q: Recently, a random sample of 25-34 year olds was asked, "How much do you currently have in savings,…

A: Data given Class Frequency 0 - 199 344 200 - 399 93 400 - 599 65 600 - 799 24 800 - 999…

Q: Given the data set: 188 , 192 , 316 , 362 , 437, 589, a. Determine the 3 quartiles of the data set.…

A:

Q: If two pennies are flipped once, what is the probability both pennies will turn up heads? Assume…

A: Given: Two pennies are flipped once The two pennies are fair coins

Q: Test-the-claim-that-the-proportion-of-males that- exercise-is different than-the…

A:

Q: The advertised claim for batteries for cell phones is set at 48 operating hours, with proper…

A: Given that  n=5000 , X=15 , p=0.2%=0.002

Q: (a) Use these data to estimate the mean wrist extension for people using this new mouse design using…

A: Given:  n = 24 26,28,23,25,27,25,25,24,24,24,25,28,22,25,24,28,27,26,31,25,28,27,27,25

Q: A healthcare provider monitors the number of CAT scans perfomed each month in each of its clinics.…

A:

Q: E Si(0.5)-1

A:

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: The average operating life of light bulbs produced by Company A is 8100 hours and a standard…

A:

Q: X, +X2 and q = 1-p X, X2 valuate the following formula p, -p2 = 0, x, = 64, x2 = 13, n,= 290, n, =…

A: Given

Q: The Arizona Department of Transportation wishes to survey state residents to determine what…

A:

Q: Ánswer the following problems. 1. Independent random samples were selected from two populations. The…

A: The two independent random samples selected from two populations. The given table is,…

Q: A variety of variables were measured for all tornadoes in the United States in 2017. (a) Since 1950,…

A:

Q: If the omitted variable is negatively correlated with the treatment and has a positive impact on the…

A: The omitted variable must be correlated with the dependent variable. Or the omitted variable must be…

Q: confidence intervals and sample size if a sample of 48 has a sample mean of 416 and a standard…

A: From the provided information, Sample size (n) = 48 Sample mean (x̄) = 416 Sample standard deviation…

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: A biologist is attempting to determine the mean weight of African elephants. She conducts a sample…

A: It is given that sample mean is 8311 and the sample standard deviation is 127.

Q: The caloric consumption of 41 adults was measured and found to average 2147. Assume the population…

A: Givensample size(n)=41Mean(x)=2147standard deviation(σ)=258

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

A:

Q: 32 Find the z values for each of the following x values for a normal distribution with mean = 16 and…

A: Given that  Mean = mu = 16 Standard deviation = s = 3  Z score = (x - mu)/s  a) x = 12 Z score = (…

Q: The mean age of youth volunteers in a community project is 17.5 years with a standard deviation of 2…

A:

Q: 64% of adults said that they approved of the death penalty in some circumstances. The newspaper took…

A:

Q: The following data of the Taman Desa Bidara residents divided according to age Age Frequency 1-15 23…

A:

Q: 83, 86, 89, 92, 95 1. How many possible samples can be drawn? (e.g., 5) *

A: Solution-: We have sample data: 83,86,89,92,95

Q: Estimate the correlation depicted by the following scatterplot:

A: Here given the Scatter plot

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: “A study on the percentage of adults who can read was conducted in 1950’s. A record has shown there…

A: In general, retrospective study means dealing with past events over a period of time. In…

Q: If fN is the set of the first 100 positive integers, A is the set of odd numbers between 50 and 90,…

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

Q: What are the null hypothesis H, and the alternative hypothesis H, that should be used for the test?…

A: Test is that mean birth weight of babies born at full form is greater than 7.4 pounds. The type I…

Q: 2. The principal of a large senior high school wants to estimate the average age of grade 11…

A: Given Sample mean x̄=17.4, sample size=n=50, population standard deviations σ=2  Construct 95% CI…

Q: A textile fiber manufacturer is investigating a new drapery yarn, which the company claims has a…

A:

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

A: Given data is 1, 2, 2, 3, 4, 4, 5, 6, 7, 8, 8, 9, 11, 13, 15, 16, 16, 17, 19, 19 We have to find…

Q: Evaluate the following formula for p, = 0.3. p, = 0.9. p, - P2 = 0, p = 0.730664. q = 0.627298, n, =…

A: We have given that, p̂1 = 0.3, p̂2 = 0.9, p1 - p2 = 0, p̄ = 0.730664,        ǭ = 0.627298, n1 = 74…

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: 3. Two methods of teaching statistics are being tried by a professor. A class of 40 students is…

A:

Q: A survey was conducted of two types of marketers. The first type being marketers that focus…

A: Given : X1 = 518X2 = 250n1 = 589n2 = 407P1^ = 0.88P2^ = 0.61   Pooled proportion :  P = x1+x2n1+n2…

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

A: