If the Pearson correlation is r= 0.9245, SSx= 490,692.44, and SSy = 339,559.64, what is the predicted and unpredicted variability and the percentage of the variance? Please and thank you

Q: The margin of error is 0.166. (Round to the nearest thousandth as needed.) The number of individuals…

A: It is given that  Lower bound = 0.259 Upper bound = 0.591 Sample size, n = 1200 Point estimate of…

Q: Let π represent the percentage of all male students who would receive a grade of B on this test. Use…

A: It is given that the data in cross-tabulation form. Total students i.e, sample size n = 48…

Q: Assume that cans of cola are filled such that the actual amounts have a population mean of μ = 8.00…

A:

Q: is the variance of distribution?

A: It is given that the probability distribution of X in the solution of the problem. Also we have Mean…

Q: Think about a density curve that consists of two line segments. The first goes from the point (0, 1)…

A: Two lines segments (0,1) to (0.7,1) (0.7,1) to (0.9,2) If we draw it , We will get between 0.7 and…

Q: 3. We wish to compare the compressive strength: concrete for 3 different drying methods (or,…

A: Treatment Batch 1 Batch 2 Batch 3 Batch 4 A1 50 48 56 55 A2 62 58 55 66 A3 47 51 48 42 Null…

Q: The expert wants to build 3-sigma control limits for an experiment. The mean of the experiment is 12…

A: Given,sample size(n)=16population standard deviation(σ)=6sample mean(x¯)=12

Q: What is the probability that a leatherback turtle will weight more than 1000 pounds

A: Given that X follows N(mean = 760, SD = 98), then Z = (X - mean)/SD follows N(0,1)

Q: Mathematically, it must always be true that:   Saving  =a. Disposable income+Comsumption b.…

A: We know that the Disposable income = Consumption + Savings

Q: Problem 1: Assume y Binomial(n = 10, 0). Suppose that y = 1 was observed and a Beta(0, 0) prior is…

A: Given Information: y~Binomialn=10,θ, y=1 was observed The Prior on θ is=Beta0,0

Q: K A media research group uses samples of 5000 households to rank TV shows. The group reported that a…

A: Given that  n = 5000 , p = 16% = 0.16

Q: 1. According to worldometers.info, in 2010 the Philippines registered 93,966,780 population. This…

A: Given Information: The three populations are given as: In 2010 the Philippines registered 93,966,780…

Q: Find the z-scores for which 90% of the distribution's area lies between -z and z.   Please show how…

A: z be a standard normal random variable. then z ~ N(0,1)

Q: The lengths of text messages are normally distributed with a population standard deviation of 3…

A: From given data we have : n=24 population standard deviation σ=3 sample mean of 21 x=21

Q: For the set of numbers {x,y, (x+y), (x – 4y),xx, 2y], the mean of th set equals (y + 3). If x + 2y =…

A: Given: x y x+y x-4y xy 2y   Mean = y+3 x+2y=22

Q: X is a random variable with mean 30 and standard deviation 4. Y is a random variable with mean 50…

A: Given that. For X E(X) = 30 , Sd(X) = 4 , E(Y) = 50 , Sd(Y) = 8

Q: On average, a textbook author makes two word-processing errors per page on the first draft of her…

A: Given that  X~Poisson (λ) λ=2

Q: A pencil and two biros cost K1.80. Two pencils and a biro cost K1.20. What is the cost of; a) one…

A: Let p denotes pencil and b denotes biro.

Q: The accompanying data on x = current density (mA/cm²) and y = rate of deposition (pm/min) appeared…

A: Given that: x y 20 0.19 40 1.20 60 1.61 80 2.27

Q: (Y-1)². Use one decimal place accuracy.

A: Given that  Y ~ Uniform (1 , 11)

Q: (a) P(make your first sale on the fifth call) = (Round to three decimal places as needed.) (b)…

A: A discrete probability distribution X with a range of [1,+∞] that can take random values is the…

Q: The correlation between two variables is a measure of the degree to which O Data points cluster…

A: Correlation shows relationship between two variables (independent and dependent)

Q: The cumulative frequency function of a discrete variable X in group A is given by x < 12 12 < x < 32…

A:

Q: The road transport and safety agency set up a radar checkpoint and recorded the speed in kilometers…

A: Data given  40, 45, 45, 48, 50, 50, 51, 52, 52, 53, 55, 55, 55, 55, 56, 60, 60, 63, 63, 64, 64, 64,…

Q: video games showing alcohol use were observed. duration time Thirty-seven test of the claim that the…

A: given data sample size n = 37one sample t test. claim : μ &gt; 88what does df denote and what is its…

Q: Suppose that the TSH (Thyroid Stimulating Hormone) levels among healthy individuals are normally…

A: given data,normal distributionμ=3.3p(x&lt;5.9)=0.95∴p(Z&lt;zc)=0.95       ∴ zc    =1.645 [ from…

Q: Two distributions of data are being analyzed. Distribution A has a mean of 125 and a standard…

A: Given For A mean=125, standard deviations=50 For B mean=10, standard deviations=2

Q: this was completely wrong, and it took me more than hour

A: Given that We have to find  a.. Compute the mean and standard deviation of the random variable X,…

Q: The following data set shows the daily demand for Panadol syrup at a pharmacy

A: Arrange the given data values in ascending order: 0, 0, 0, 0, 1, 1, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3,…

Q: If the expected return on the market is 8% and the risk free rate is 4% and the expected return is…

A: Expected return on the market=8% Risk free rate = 4% Expected return= 12%  Market risk premium=?

Q: Suppose the time a child spends waiting for the bus is exponentially distributed with mean 4…

A:

Q: A router is used to cut locating notches on a printed circuit board. The vibration level at the…

A: step 1 We're studying six factors( A, B, C, D, E, and F) in a full factorial design. therefore we've…

Q: An article reported data from a study in which both a baseline gasoline mixture and a reformulated…

A: Scatter plot of Emissions versus Age: Excel Procedure: Enter the data for Age and Baseline in Excel…

Q: Suppose that X is a random variable with mean 30 and standard deviantion 4. Suppose Y is a random…

A: Given that  For X E(X) = 30 , Sd(X) = 4 For Y E(Y) = 50 , Sd(Y) = 8 Corr(X,Y) = 0.50

Q: McDonald's was famously known for burning hot coffee in the 90s and early 2000s. However, after…

A: Hint: Set up the alternative hypothesis first which is our area of interest.

Q: Reading Improvement Program To help students improve their reading, a school district decides to…

A:

Q: A factory manufactures cars with a warranty of 5 years on the engine and transmission. An engineer…

A: Givensample size(n)=40Mean(x)=4.8standard deviation(s)=0.5

Q: A student organization of 12 wants to select a president, a vice-president, and a treasurer. How…

A: A student organization of 12 wants to select a president, a vice president, and a treasurer.i.e.…

Q: The management of Brinkley Corporation is interested in using simulation to estimate the profit per…

A: Given information: Procurement Cost($) Probability  Labor Cost($) Probability  Transportation…

Q: We wish to estimate what percent of adult residents in a certain county are parents. Out of 600…

A: Given that  n = 600 , X = 162

Q: Let X₁,..., Xn be exponential with parameter X. Calculate the MLE of X.

A: It is needed to find the male of λ.

Q: Problem 1) Suppose that a cellular plan costs $20 per month with 30 minutes of use included and that…

A: $20 per month with 30 minutes of use  Additional charge = $0.5 per minute  Number of minutes =…

Q: 12) Construct a 99% confidence interval for the population mean, μ. Assume the population has a…

A:

Q: the physics majors, six are minoring in math. Find the probability that a randomly selected student…

A: Let P =physics M=maths  n(M)=17, n(P)=14

Q: A manufacturer of lightbulbs wants to estimate the proportion of defective lightbulbs within ±0.1…

A:

Q: 8. The p-value in hypothesis testing represents which of the following: Please select the best…

A: According to the given information in this question We need to identify the correct option

Q: X is a normally distributed variable with mean μ = 35 and standard deviation σ = 5. Find a) P(x 21)…

A: Given problem Given that   X is a normally distributed variable with mean μ = 35 and standard…

Q: The data set provides measurements of 5 different samples.  Answer the following questions if you…

A: The control limits for X bar chart is defined as shown below                 LCL = x-A2RCL…

Q: Which statement is incorrect.    A. The F-test is used in ANOVA  B. When ANOVA is used and the null…

A: It is given that the statement about to the ANOVA. Here, need to find out the incorrect statement.

Q: Groups of adults are randomly selected and arranged in groups of three. The random variable x is the…

A: We have given the following probability distribution table x P(x) 0 0.358 1 0.448 2 0.168…