The following dataset shows the AP History scores of 10 students: 3, 4, 3, 2, 3, 5, 2, 4, 1, 2 a) Find the sample mean b) Find the sample standard deviation c) Compute a 95% confidence interval for the population mean and interpret it properly.

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A: Given: 11, 11,10, 4, 6, 12, 17, 10, 12, 4

Q: If X = 117, o=24, and n = 30, construct a 99% confidence interval estimate of the population mean, µ

A: It is given that Sample size n = 30 Sample mean = 117 Population SD = 24

Q: The following random sample was selected from a normal distribution: 11, 11,10, 4, 6, 12, 17, 10,…

A: Given: 11, 11,10, 4, 6, 12, 17, 10, 12, 4

Q: .The following data represent the respective ages of 20 students pursuing graduate studies: 33…

A: Given data is: 33                    37                    25                    40…

Q: Complete the following and construct a 95 percent confidence interval for the population mean μ…

A:

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A: Given data is10,8,12,15,13,11,6,5sample size(n)=8sample mean(x¯)=10standard…

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A:

Q: Construct a 99% confidence interval estimate for the population mean, N = 36, ?̅= 135, σ = 24

A: As the population standard deviation σ is not known, we will use z-distribution.  The value of z at…

Q: Construct the confidence interval for the population mean μ. c=0.90​, x=16.9​, σ=8.0​, and n=

A: If the population standard deviation is known we can use z test for computing confidence interval…

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A: I will use the excel function "=STD.S()"to answer this question since the question requires accurate…

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A: G? ?

Q: Calculate 95 percent confidence intervals for the means of the following set of numb 15,9, 18, 10,…

A: Given data, 15,9,18,10,14,23,14,11,15,11,18,14,18,15,13   From the given data. n=15 The sample mean…

Q: Given the data from ten (10) randomly selected European females about their foot length. 22.5  24.7…

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Q: Construct the indicated confidence interval for the population mean . Assume c = 0.98, = 101.3, =…

A:

Q: The following random sample was selected from a normal distribution: 4, 6, 3, 5, 9, 3. A.…

A: 90% Confidence Interval is given as:

Q: Construct the confidence interval for the population mean y. C= 0.90, x=16.6, o= 10.0, and n= 80

A: Here, C=0.90, x=16.6, σ=10.0, and n=80.

Q: Use the given confidence interval to find the margin of error and the sample mean . (12.9, 20.1)

A: See the handwritten solution

Q: The monthly incomes for 12 randomly selected​ people, each with a​ bachelor's degree in​ economics,…

A: Obtain the 90% confidence interval for the population mean. The 90% confidence interval for the…

Q: Set 1 Set 2 Set 3 121.771 121.784 121.752 121.787 121.758 121.784 121.765 121.803 121.765 121.781…

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Q: The following sample data are from a normal population: 10, 8, 12, 15, 13, 11, 6, 5. a) What is the…

A:

Q: Which of the following confidence levels and significance levels are appropriate for using a…

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A: A confidence interval of population mean, µ, in terms of sample mean and margin of error, can be…

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Q: If Xbar=93​, σ=13​, and n=62​, construct a 99​% confidence interval estimate of the population​…

A: Given that  Sample size: n=62 Sample mean: x¯=93 Population standard deviation: σ=13 Confidence…

Q: Construct 90%, 95%, and 99% confidence intervals to estimate μ from the following data. State the…

A: It is given that required confidence intervals are 90%, 95% and 99% to estimate population mean µ.…

Q: Shown below are four confidence intervals created from the same sample data. Which of these…

A:

Q: Consider the following data set below. Find the UPPER INTERVAL of the population mean at 80%…

A: Thank you for posting the question. As your question has more than 3 parts, as per the policy, we…

Q: For each combination of sample size and sample proportion, find the approximate margin of error for…

A: Given (a) n = 100, p̂ = 0.57 (b) n = 200, p̂ = 0.57.   (c) n = 200, p̂ = 0.40.

Q: The following small data set represents a simple random sample from a normally distributed…

A: From the provided information, The data values are as follow: 43, 63, 53, 50, 58, 44, 53, 53, 52,…

Q: Construct a confidence interval for the population proportion p. n ? 144, x ? 86, 90% confidence

A: Given: Confidence level = 0.90 Sample size (n) = 144 x = 86 Sample proportion p^=xn=86144

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Q: Consider the data set 34 45 27 33 38 41 45 29 30 39 34 40 28 33 36 (a) What is the sample median?…

A: (a) First arrange the data in ascending order. The order is,  27, 28, 29, 30, 33, 33, 34, 34, 36,…

Q: The annual earnings (in dollars) of 35 randomly selected microbiologists are shown in the data…

A: From the given data, n = 35

Q: If X-bar = 125, σ = 24, and n = 36, construct a 99% confidence interval estimate for the population…

A: Given: X-bar = 125, σ = 24, n = 36.

Q: Construct a 95% confidence interval to estimate the population mean with x = 110 and o = 28 for the…

A: We have given that, Population mean X-bar = 110 and  Population standard deviation = 28 The…

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A: The degrees of freedom is, df=n-1=30-1=29 The degrees of freedom is 29. Computation of critical…

Q: ence interval for a population mean, compute the margin of error, E. 11.00<μ<13.1411.00<μ<13.14

A: Given the confidence interval 11.00&lt;μ&lt;13.14 Computing the Margin of error is given as below:

Q: The principal randomly selected six students to take an aptitude test. Their scores were: 88.0 84.1…

A: Given, Scores: 88.0, 84.1, 74.9, 83.2, 83.7, 85.5  Sample Size (n) =6

Q: The following data represent the number of passengers per flight in a random sample of 10 flights…

A: Let X be the number of passengers per flight. Given that sample data of size n = 10 has been taken…

Q: Construct the confidence interval for the population mean μ.   c=0.90​, x=16.8​, σ=8.0​, and n=40

A: Given: n= 40.0 , x̄= 16.8 σ= 8.0 At 90.0 % confidence level , z score= 1.645

Q: Use the given confidence interval to find the margin of error and the sample mean. (13.5,21.9)

A: Given confidence interval (13.5, 21.9)

Q: Use the accompanying Grade Point Averages data to find 90%, 95%, and 99% confidence intervals for…

A: Confidence interval : Confidence interval is a range of values it contains the true population…

Q: The test scores of five randomly selected students at a community college, are given below. 85 96 72…

A: Sample mean for given values is 84.8, =AVERAGE(C23:C27). Here, the column C represents the data…

Q: The figure to the right shows the results of a survey in which 1013 adults from Country A, 1001…

A:

Q: Use the given degree of confidence and sample data to construct a confidence interval for the…

A: Of 293 employees selected randomly from one company, 8.19% of them commute by carpooling.…