Two computer users were discussing tablet computers. A higher proportion of people ages 16 to 29 use tablets than the proportion of people age 30 and older. The table below details the number of tablet owners for each age group. Test at the 1% level of significance. (For subscripts let 1 = 16-29 year old users, and 2 = 30 years old and older users.) 16–29 year olds 30 years old and older Own a Tablet 69 231 Sample Size 635 2,302 NOTE: If you are using a Student's t-distribution for the problem, including for paired data, you may assume that the underlying population is normally distributed. (In general, you must first prove that assumption, though.) State the distribution to use for the test. Round four decimals P’1-P’2 ~ N (____,___)

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A: P(musician is a female AND had private instructor)

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A: I hope this is helpful.

Q: Question 6 Compute the population mean. ( Round your answer to the nearest hundredth ). Blank 1…

A: (6) Obtain the value of population mean.   The value of population mean is obtained below as…

Q: What term is used to explain the natural difference between a sample mean the overall population…

A: What term is used to explain the natural difference between a sample mean the overall population…

Q: How is a sample related to a​ population?

A: Population is set of all elements about which we want to know. While the sample is a part of such…

Q: How much difference is there between the mean for the treated sample and the mean for the original…

A: Definition Sample Mean x It is the mean of all the values of a sample.   Population μ It is the mean…

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A: Given: The data given is shown below Excellent Good Fair Poor 94 75 70 68 90 68 73 70 85…

Q: Distance Traveled to Attend College 4 34 36 80 26 38 42 18 24 46 36 48 50 36 86 24 40 Q1 %3D Q2 %3D…

A:

Q: Please answer this one.Thanks! Given the sample data below: x  46  37  40  33  42  36  40  47  34…

A: Given : Sample size (n) = 10 x 46 37 40 33 42 36 40 47 34 45

Q: Use ANOVA to determine if student A is the brightest among the four senior students of XYZ…

A: INTRODUCTION :  Completely randomised design.: The mathematical model for one way classified data…

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A:

Q: how does the sample and population relate?

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Q: A survey (sample ) of 300.  112 favor Republican candidate.  Construct the 98%CL for the true…

A: Given that,   The sample proportion is,

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A: There are two cases: 1. the GPA's of students in an honors college with a prestigious university, 2.…

Q: In a survey of 400 items in a production line, it was discovered that 10% are defective. What is the…

A: Given the survey of 400 items in a production line.The percentage of defectives is 10%,Let n = 400…

Q: Explain the Representative Sample from a Population in Which the Variables Are Related?

A: The population is the area of interest for which, one want to inquire the characteristics or trend.…

Q: In an Adecco staffing survey of 1000, adults in the US, 140 said the salary was the most important…

A: From the provided information, The sample size is 1000 which is sufficiently large and out of which…

Q: Explain the difference between an independent and dependent sample. Give an example of each.

A: Dependent samples:The two samples are said to be dependent if there exist an effect of one on…

Q: You are the operations manager for an airline and you are considering a higher fare level for…

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Q: Find the value of the test statistic. Find the p-value. (Round your ans

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Q: d. The degrees of freedom = e. The test-statistic for this data = (Please show your answer to three…

A: d. Degrees of freedom: df=number of categories-1   =4-1   =3

Q: Pages were randomly selected from one book each from authors A, B, and C. The accompanying table…

A: Given :

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A:

Q: if the 90% Ci for the population mean is (-4.58, 6.54) what is the sample mean O a. can't be found O…

A: According to the given information, we have 90% C.I. for the population mean = (-4.58, 6.54)

Q: Does the sample size have an effect on the mean of all possible sample means? Explain your answer.

A:

Q: Is the sample mean always the most frequently occurring value? If so, explain why. If not, give an…

A: No, Sample Mean is not the most frequent Occuring Value.   Mean= Sum of Observations / No.of…

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A:

Q: Explain the EFFECT OF SAMPLE SIZE.

A: The size of our sample defines how much information we have and thus, in part, decides our precision…

Q: What is the difference between Sample and Population? Provide an example of each.

A: Population -whole number of individuals Sample - a part of population taken randomly

Q: Explain about if larger the sample size, what does this reflects.

A:

Q: our population? W

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.