what is the value of the mean and median if the data is normally distributed

Q: REVIEWING PSYCHOLOGICAL STATISTICS CONCEPTS Note: All participants are randomly assigned to the…

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Q: The overall proportion of variation of y accounted by x1 and x2 is

A: It is given that Multiple R =0.978724022 R Square =  0.957900711  Adjusted R Square = 0.952287472

Q: A set of 11 data pairs (x,y) were collected and were found to have a linear relationship given by: y…

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Q: If the sample size is 180 and a sample proportion 0.87, find the margin of error at a 95% confidence…

A: Given:  Sample size n=180  Sample proportion p=0.87  To find margin of error at 95% confidence level…

Q: Consider the following training set for a regression task. Length Width Output 25 25 120 15 30 95 20…

A: Let us consider a linear regression model with an intercept term: Y=β0+β1X+ε where Ynx1= Dependent…

Q: Exercise 2. Water samples were taken at four different locations in a river to determine whether the…

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Q: Illustration 20.17. The figures given below are (a) the obsérved frequencies of a distribution, and…

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Q: 2. Fom the family budgets of two middle class families given below, draw a suitable diagram. Family…

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Q: 2. During the pandemic people have become more health conscious, especially in eating red meat. In…

A: Given Information: Hypothesized value of population mean is μ0=51 (the mean consumption of meat in…

Q: A product engineer wants to optimize the cutting of strips of wood, which are used to make plywood.…

A: 1) The objective is to test whether there is a significant difference in mean of torque force for…

Q: Given the situation or problem, determine what is being asked. A random sample of size n = 16 was…

A: Givensample size(n)=16Mean(μ)=32standard deviation(σ)=5

Q: 1. A biologist knows that the average length of a leaf of a certain plant is 4 inches. The standard…

A: Given  Population mean μ=4, standard deviations σ=0.6, n=20, sample mean x̄=4.2, level of…

Q: Illustration 6.3. Draft a form of tabulation to show: (a) Sex, (b) three ranks – supervisors,…

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Q: Inferential statistical procedures, such as regression, are used to make conclusions. When there are…

A: Given Information: Consider the given study in which the torque is the response variable which can…

Q: 1. The grades of a class of 9 students on a midterm report and on the final examination are as…

A: By correlation we mean the association or interdependence between two variables. If two variables…

Q: he St. Lucian Government is interested in predicting the number of weekly riders on the public buses…

A: Given   The St. Lucian Government is interested in predicting the number of weekly riders on the…

Q: A product engineer wants to optimize the cutting of strips of wood, which are used to ma plywood. To…

A: 1) The objective is to test whether there is a significant difference in mean of torque force for…

Q: 3. Let X and Y be continuous random variables with a joint pdf of the form [k(x+y), 0< x <y<1 0,…

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Q: Solve the following problems and answer the following questions, based upon the following context,…

A: Given information: Level of significance: α=1%=0.01 Number of groups is 4. df=number of…

Q: A newspaper poll found that 52 percent of the respondents in a large random sample of likely voters…

A: We have given that the 95% confidence interval for the population proportion was computed to be 0.52…

Q: density function. (a) Calculate the moment generating function for X. (b) Use the moment generating…

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Q: Q3 Let N(t) be the number of failures of a computer system on the interval [0, t]. We suppose that…

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Q: Fit the exponential trend for the following data and find the trend values Year : 1958 1968 1978…

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Q: Calculate the 95% confidence limit for the data set given below. Do not enter units, and do not…

A: From the given information, the data set is given below. The sample mean is, The sample standard…

Q: . The new cases of COVID 19 in the Philippines as of February 21, 2021, are as follows: REGION NEW…

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

Q: O 9R the ddath core unteraly distributeed in the gwervel CHUrn) then n 2n+n M it prove 2+n pMx

A: Given that  We have given  Deaths are uniformly distributed in interval (x, x+n ) then we have to…

Q: Q/ In the vehicle speed test, the results are given in the table below: Find 1. ArithmeticC mean 2.…

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Q: domly summary statistics for nfidence level. Are these results very different from the confidence…

A: The sample size is 246; n=246 x=32.9s=6.3 α=0.01

Q: Due to stress, many patients who undergo major elective surgery experience an increase in blood…

A: It is needed to find the appropriate statistical test.

Q: 14. Employees at Jamba Juice have different ages. Assuming a Normal Distribution with a mean age of…

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Q: f(x, y) = 105r (1 – 1)°e=#I(o.1)(x)[(0,»)(y) Calculate E[Y ].

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Q: A claim is made that 10% of college students major in Psychology. You believe that this claimed…

A: When testing the hypothesis for population proportion, it is often assumed that the sample…

Q: A set of 11 data pairs (x.y) were collected and were found to have a linear relationship given by: y…

A: Given the standard error of thefit for given equation  is 0.755 . We need to calculate the value of…

Q: if level of significance is not stated, therefore it is 0.05   pls do 5 step hypothesis testin

A: From the given information, Choices Frequency Percentage 1 0 0% 2 0 0% 3 2 11.8% 4 6…

Q: simple random sample of 10 pages from a dictionary is obtained. The numbers of words defined on…

A: Given that  Sample size n =10 Sample mean =56.7 Standard deviation =15.5

Q: A store only sells two types of products: type A and type B. If a customer only buys product A, the…

A: The probability of an event is the chances of occurrence of the event. The value of probability lies…

Q: Name of Friends Weight in kilogram Arianne 90 Sunshine 75 Sushi 58 Gemini 63 Eliot 88 Saskei 54…

A: The quantile are points that seperated the data into equal parts. Quartile that seperate the data…

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

A: Given Information: Selling price is $45 Procurement cost ($) Probability Total=(Procurement cost…

Q: Compute the probabilities for each random varlable x. (decimal form: hundredihs) L Given the…

A: We have given that the random variable X and the frequency of its occurrence.

Q: We know that the wage distribution in the US is not normally distributed. It is closer to a pareto…

A: We have given the random sample of 1000  Individuals we know that the wage  distribution in the US…

Q: The National Assessment for Educational Progress (NAEP) is a U.S. government organization that…

A: Scatter plot is the graphical representation of the relationship between two variables of a…

Q: Suppose X has a Poisson distribution with parameter A and suppose the conditional distribution of Y…

A: Solution

Q: A multiple regression analysis produced the following tables. Summary Output…

A: The intercept value is 1959.709718.

Q: Let X and Y be two random variables with joint density function give. f(r, y) = 105xr*(1 –…

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Q: . If the net single premium of a 20-year term insurance policy, issued to (50), with a death benefit…

A: Given  Insurance Type : Term insurance policy  Duration : 20 years     The net single premium  :…

Q: A fully discrete 20 - year endowment insurance of $1 is issued to (40). The contract provides for…

A: Given that a fully discrete 20-year endowment insurance of $1 is issued to (40). The contract…

Q: d) An ELT is randomly selected and tested. If the test indicates that the ELT is defective, find the…

A: Let us define some events A : an ELT is manufactured by Altigauge company. B : an ELT is…

Q: The Joint Distribution of the Minimum and Maximum EX2: Pyoot Fxa.X(n) (x, y) = P(X(1) < x, X(n) y) =…

A: We need to prove the joint distribution of the Minimum X(1) and Maximum X(n) , such that:

Q: Find the 14th percentile, P14, from the following data 1 2 3 6 10 11 12 13 15 18 20 21 22 24 26 30…

A: To calculate- the 14th percentile of the given data

Q: From the following observations, relating to the number of seeds germinated out of 10 seeds on damp…

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