Listed are 30 ages for Academy Award-winning best actors in order from smallest to largest. 10 22 33 59 75 11 14 25 27 39 41 48 67 69 52 76 77 16 29 45471 79 20 30 46 56 72 80 Find the percentile for age 48.

Q: In a class of students, the following data table summarizes how many students have a brother or a…

A: The data represent the number of students who has a brother or a sister.

Q: n exercise 2. 3 12 12 6 20 20 14 Y; 55 40 55 10 15 deviation of when x = 8. interval for the…

A: :Given the data set are xy355124065520101415The Equation of Simple Linear Regression :Y =β0 +β1x +…

Q: Recall the following summary statistics for our sample of white wine pH measurements. Z= z-score for…

A: Answer:- From the above information,

Q: A3 For observations 1, 2,...,n with sample average , we can use - x)² ² = 1/(x²- -Σα- n n i=1 as an…

A: The observations x1, x2, …., xn has sample average of x̄.

Q: d 00 Given that the a sample of size 100 has a mean of 5 and the population standard deviation is o…

A: Mean =5Sample size=n=100 Population standard deviation=sigma=6 Confidence level=0.95…

Q: A newspaper published an article about a study in which researchers subjected laboratory gloves to…

A: The question is about hypo. testing and Confidence intervalGiven :Total no. of vinyl glov. ( n1 ) =…

Q: Answer c ​(c) The linear correlation coefficient for the data without Car 12 included is r=−0.943.…

A: Let, x = Weightand, y = Miles per gallonThe dataset is given…

Q: Let JO, J1,..., J4 independent random variables according to the Ber (r₁) law, where i = 0, 1,...,…

A: In this problem, we are given five independent random variables, denoted as J0, J1, J2, J3, and J4.…

Q: Find the values of k for consistency: 1 k 2 1 - 세 -3 4 11 = 0 - 8

A: To find the values of k for consistency, we need to determine the values of k that make the…

Q: The table below shows the number of state-registered automatic weapons and the murder rate for…

A: Regression equation Y = 0.85x +4.05

Q: Student question   It is estimated that 82% of homes in a certain city have working smoke detectors.…

A: Let A denote the event that there was fatality in the home and B denote the event that smoke…

Q: A fish tank contains 17 goldfish, 3 angelfish, and 5 guppies. If a fish is selected at random from…

A:

Q: 5. In 1979, a random sample of 200 families in a large city was found to spend an average of $85.44…

A: Sample size, Sample mean, Sample sd,

Q: A frequency distribution is shown below. Complete parts (a) and (b). The number of televisions per…

A: The given data represents the frequency distribution of number of televisions per household in a…

Q: For the given scenario, determine the type of error that was made, if any. (Hint: Begin by…

A: The question is about errorsIntroduction :There are two types of errorsType I error :Rejecting the…

Q: If investors want portfolios with small risk (variance), should they look for investments that have…

A:

Q: a) Show the this function as density possibility like proof b)find the median value

A:

Q: Question 16: What z scores fall into the upper .15 of the distribution?  Question 18: What z scores…

A: To find the z score corresponding to the upper 0.15 of the distribution, we need to subtract 0.15…

Q: a. Test the claim using a hypothesis test. Consider the first sample to be the sample of subjects…

A: From the given information.Around, 38 of the 45 subjects are treated with echinacea developed…

Q: Please do not give solution in image format thanku Describe what is meant by each z-score. Explain.…

A: Z score is a standardized score. For standard normal distribution , mean is zero and standard…

Q: Directiong QNO1e (a) using gather for calculate central the information you Assement the measure of…

A: First, we will create a frequency distribution for the given data on rape cases.Number of cases…

Q: A paper reported that for a group of 76 college students, the average number of responses changed…

A: here z score for 0 =(X-mean)/standard deviation =(0-0.9)/1 =-0.9please try 0.9  in place of (-0.9)…

Q: 120 psychology students took a standardized test. The scores are summarized in the GFDT below.…

A: The question is about frequency distributionGiven :To find :Missing value in the cumulative GFDT

Q: Please solve f and g.

A: The regression equation is given. Part (g) is not given. We solve d, e and f.

Q: Find the value of the test statistic. (Round your answer to three decimal places.) Find the p-value.…

A: Let pi's be the population proportions of ABC, CBS, NBC, and Independents respectively.

Q: The amount of time a certain brand of light bulb lasts is normally distributed with a mean of 1600…

A: Solution-:Given: We want to find P(a randomly chosen light bulb will last less than 1460 hours)=?

Q: <) and on the final exam (y) are follows: rt 77 82 50 66 71 78 72 34 81 47 94 85 96 99 99 97 ate the…

A:

Q: A business magazine samples 90 individuals responsible for economic forecasting for regional banks.…

A: The sample size is 90, the sample mean is 2.7% and the population standard…

Q: Two different simple random samples are drawn from two different populations. The first sample…

A: The claim of the test is to test whether the two population proportions are equal or not.That is,

Q: (a) Draw a scatter diagram treating MRI count as the explanatory variable and IQ as the response…

A: Here Dependent variable (y) = Mental capacityIndependent variable (x) = MRISample size (n) = 10

Q: Heights (cm) and weights (kg) are measured for 100 randomly selected adult males, and range from…

A: The p-value is 0.187.The level of significance is 0.05.

Q: Please submit one excel file with answer cells that require formulas having the formulas within the…

A: The number of sick days is being predicted using the total hours of sleep, so that the number of…

Q: Use the graph on the right from a central bank that summarizes the amount of student loan obligation…

A: The pie chart shows the amount of student loan obligation of 39 million borrowers to determine how…

Q: The table summarizes results from 988 pedestrian deaths that were caused by automobile accidents.…

A: Total number of pedestrian death = 42 + 85 + 250 + 611 = 988 Number of pedestrian death that neither…

Q: Twenty different statistics students are randomly selected. For each of them, their body temperature…

A: For part a) Answer: Option C) is correctFor part b) Answer: Option C) The value of r is estimated to…

Q: The middle 55% of the data lie between Incorrect and Incorrect .

A:

Q: a. What is the distribution of X? X - N( b. What is the distribution of x? x - N( c. For a single…

A: It is given that Mean, μ = 136000Standard deviation, σ = 39000Sample size, n = 9Note: According to…

Q: A genetic experiment with peas resulted in one sample of offspring that consisted of 442 green peas…

A: The given offspring that consisted of 442 green peas and 167 yellow peas.

Q: The table to the right shows four states, their 2010 populations, and their number of seats in a…

A: Answer State         Population                SeatsA               986000                       10B…

Q: A magazine provided results from a poll of 2000 adults who were asked to identify their favorite…

A:

Q: Archeologists have studied sizes of Egyptian skulls in an attempt to determine whether breeding…

A: The the data set :-   X 128.4138.3125.9132.2142.6135.3138.7129.3

Q: der a sample entile Value 7, 25, 20, 15, 30, 34, 28, and 25 ompute the 19th, 24th, 65th,

A:

Q: Describe the differences between the stem-and-leaf plot and the dot plot in how they present data.…

A: Dot plot is used to visualize quantitative data, in which each data is plotted vertically one above…

Q: An instructor has given a short quiz consisting of two parts. For a randomly selected student, let X…

A: Solution-:Let, X= The number of points earned on the first part     Y=The number of points earned on…

Q: Let Y:{-1, 1} be a binary variable Y and consider its prediction from a variable X: →R. Prove that…

A: In the given question, we are dealing with two variables: Y, which is a binary variable taking…

Q: 1) in a regression analysis involving 18 observations and four independent variables, the following…

A: Sample size Multiple R = 0.6000R Square = 0.3600Standard error = 4.80000NOTE:  Hi there! Thanks for…

Q: We have been told that in history, the one-year returns follow approximately the normal…

A: Population mean, Population sd,

Q: 1. Scores on a particular test are normally distributed in the population, with a mean of 100 and a…

A: The mean =100The standard deviation = 15

Q: Find the mean, variance, and standard deviation of the binomial distribution with the given values…

A: Solution-:Given: n=122,p=0.52We want to find the mean, variance and standard deviation.

Q: Use a number between 0 and 1. Round using 2 decimal places) A box contains 2 red marbles and 8 blue…

A: To find the standard error (SE) for the percentage of red marbles drawn when the draws are made with…