describe the sampling distribution of the sample means in the histogram

Q: If n=580 and ˆpp^ (p-hat) =0.59, find the margin of error at a 95% confidence level Give your answe...

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A: From the given information, xt=0.2+0.32xt-1+0.41xt-2+ut There are 65 observations for the time serie...

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Q: he table below shows the color and the model of cars purchased by 160 randomly selected customers at...

A: Given: Observed frequency table:   Toyota Hyundai Total Red  17 19 36 White 25 35 60 Black ...

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Q: x' +y? ; 0<x<2, 1<y<4 fxy(x, y) 50 ; otherwise.

A: As per the Bartleby guildlines we have to solve first three subparts and rest can be reposted indivi...

Q: Suppose approximately 80% of all marketing personnel are extroverts, whereas about 55% all computer ...

A: Given that  For Extrovert  Probability =0.80 Number of observation =15 We have to find the probabili...

Q: Find the area between: P(-14.875 < z < -5.125)  Using microsoft excel. Pls show the steps.

A:   We have given that.   X~N( μ , ?^2 )   μ =0 , ? =1  ( for standard normal)   Z-score =( x - μ )/? ...

Q: a) The table below presents data used to test whether the fidelity and the selectivity of 190 radios...

A: Here data is given ( Fidelity, selectivity) for low, Average and high N= 190 test statistic = 52.72 ...

Q: Consider the following linear regression model that relates income per capita in thousand dollars of...

A: Given Information: Consider the given regression model.       GDPper capitai=β0+β1PAi+ui Here,     G...

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Q: Number of medals 1. Number of scouts 1-2 3-5 7 8-11 12-15 16-20 21-30 10 16 42 12 10 40 48 12 10 Con...

A: To draw histogram we represents class intervals (no. Of medals) on X axis and frequencies (no. Of sc...

Q: The mean age when smokers first start is 13 years old with a population standard deviation of 1.9 ye...

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Q: There are 16 applicants for a job. Among them 10 are poșt graduates. If 3 applicants are chosen at r...

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Q: 26. During war 1 ship out of 9 was sunk on an average, in making a certain voyage. What is the proba...

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Q: If the standard deviation of hole diameter exceeds 0.01 millimeters, there is an unacceptably high p...

A: For the given data select the correct choice

Q: Dependent variables are not affected by other variables. O True O False

A: Dependent Variable :   It is a a variable that is affected by other variables.   Its the one (or m...

Q: The average McDonald's restaurant generates $3.6 million in sales each year with a standard deviatio...

A: In this question given that survey of 27 restaurant Find out a null and alternative hypothesis deter...

Q: 1) Sketch scatter graphs to illustrate the following correlation coefficients, describe your graphs ...

A: Note: According to Bartleby guidelines expert, solve only one question and maximum 3 subpart of the ...

Q: Music Sex rock classical jazz male 20 18 12 female 9 19 25 a) Select and compute the appropriate sta...

A: Note: As per our company guidelines we are supposed to answer only first three sub-parts. Kindly rep...

Q: The trade magazine QSR routinely checks the​ drive-through service times of​ fast-food restaurants. ...

A: We have given that,  The 95% confidence interval is,  Lower bound = 155.7, upper bound = 160.9 Then,...

Q: The following table shows the time spent by 200 students in watching television programs during in m...

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Q: Lastly, the nutritionist wants to determine if the satisfaction levels (measured from 1-10, 10 being...

A: One of the assumptions of parametric test is normality condition. Let us check the normality for Fem...

Q: There are two independent random variables X and Y. X has mean 4 and standard deviation , and Y also...

A: Given  E(X)=mean of X=4 and E(Y)=mean of Y=4  X and Y are independent   

Q: In arranging books, 3 Algebra books, 5 Geometry books and 4 Differential Equation books on a shelf, ...

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Q: In the past, 44% of those taking a CPA qualifying exam pass the exam on their first try. With the ma...

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Q: Paired data is best done with a column graph. O True O False Type here to search OH Cn O 44w V17 DO ...

A: Here we know that when we have paired data then, we have to find difference between them and solve. 

Q: Let X represent the full height of a certain species of tree. Assume that X has a normal probability...

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Q: For a hypothesis test, significance level, alpha, = 0.05 The computed P-Value = 0.067 Should the n...

A: For a hypothesis test, significance level, alpha, = 0.05   The computed P-Value = 0.067   Should the...

Q: A line graph is not good for graphing data over time. O True O False

A: Introduction: A graph is a diagram that depicts the associations between two or more variables or ob...

Q: a. What is the decile distribution of income?e b. What is the quintile distribution of income?e c. W...

A: Note: As per the guidelines, answer to first three subparts will be provided in case of multiple sub...

Q: "I really want to breast feed since i know breast milk has unique health benifits for the baby.But I...

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A: Given information- We have given that in an engineering company 3 positions are there and 8 job-seek...

Q: A psychologist is interested in the mean IQ score of a given group of children. It is known that the...

A: Sample size (n) = 70Sample mean (x̅) = 100Standard deviations (σ) = 11Significance level (α) = 1 - 0...

Q: obtained the following data on the time (in minutes) needed to mix the material. Manufacturer 3. 16 ...

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Q: The manager of a computer software company wishes to study the number of hours senior executives by ...

A: Given that ;  A anova ( analysis of variance) table is given by using anova concept we solve the mis...

Q: The following table gives the yields on 15 sample plots under three varieties of seeds : A В 20 18 2...

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Q: A study found that the mean amount of time cars spent in drive-throughs of a certain fast-food resta...

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Q: A barangay chairman claims at least 85% of the residents in his barangay have household pets. To tes...

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Q: Question 7 Which of the following formulas for calculating the subjects sum of squares for a within-...

A: The formula for calculating the subjects sum of squares for a within-groups ANOVA is :  

Q: Q10. This question is based on: RSS TSS = RSS + ESS & R? TSS Where TSS, ESS and RSS are sum of squar...

A: First of all, we know that TSS is the total sum of square RSS is the residual sum of square ESS is t...

Q: The following table gives you the distribution of marks secured by some students in an examination :...

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

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Q: In a survey of 300 random households in a particular village, mothers have been asked if they use ce...

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Q: i) Find the value of k which make the following function a pdf (15 + -2sys0 64 64 fW) = {3 + ky 0<ys...

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Q: Two couples​ (Adam/Brenda and​ Carl/Darlene) have bought tickets for four adjacent seats to see a mu...

A: Given,no.of women=2no.of men=2Total no.of people=4

Q: Suppose that several people try to quantify their belief about the unknown probability parameter p, ...

A: Given information: fx|p=1-px-1·p on x=1, 2, 3 ........

Q: Express the confidence interval 367.1<μ<452.5367.1<μ<452.5 in the form of ¯x±MEx¯±ME

A: We have given that that the confidence interval is  367.1 &lt; μ &lt; 452.5