.test(x, alternative = "two.sided" , mu=5) One Sample t-test data: x t=-2.833, df=10, p-value=0.01775 alternative hypothesis: true mean is not equal to 5 95 percent confidence interval: 2.239197   4.669894 sample estimates: mean of x 3.454545 How many tails does this test have?   Group of answer choices: (a)four (b)two   (c)one   (d)three

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A: From the provided information Confidence interval is (0.34, 0.52)

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Q: c= 0.95 sample size = 55 sample mean = 65.36 sample standard deviation =2.3658 find out the…

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Q: Find a 95% confidence interval for a mean, µ, where n = 324, x̄ = 2.7, s = .91, and se = .06.

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A:

Q: Use the given information to answer the following questions. independent samples of 6 measurements…

A: Solution : Given : MSE  = 6.69              x1¯     = 88.9               x2¯    = 83.5…

Q: 1.645 1.960 = 2.576 Jump to level 1 A poll reported 42% support for a statewide election with a…

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Q: B. Construct a 95% confidence interval estimate of 4-4, the difference between the mean weight of…

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Q: c= 0.90 sample mean = 65.36 sample standard deviation =2.3658 find out the confidence…

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Q: 95% confidence, the margin of errors is 2.5 then, the confidence interval for population mean is

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Q: Please reference attached image.

A: Given

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Q: onsider the data set below. Use Table 2 of Appendix B. <cel File: data14-33.xlsx 3 12 6 20 14 Yi 55…

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Q: A random sample of  n1 = 49  measurements from a population with population standard deviation  ?1…

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Q: Here are summary statistics for randomly selected weights of newborn girls: n = 36, x=3180.6 g, s =…

A: From the above given data the following solution is provided below:

Q: Using the results below:          M1 = 18.57,    M2 = 18.33,    SM1−M2 = 0.97,    tcv = 1.997 1.…

A: Given, M1 = 18.57,    M2 = 18.33,    SM1−M2 = 0.97,    tcv = 1.997

Q: A 98% confidence interval of a population proportion is (0.62, 0.84). What is the margin of error?…

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Q: 1. Given: n=130, a = 25, level of confidence is 90%. What is the margin of error of the given data?

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Q: Use the given information to answer the following questions. independent samples of 6 measurements…

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Q: Using the results below: M1 = 18.57, M2 = 18.33, SM1-M2 = 0.97, tcv = 1.997 1. Calculate a 95%…

A: It is given that M1=18.57, M2=18.33, SM1-M2=0.97 and tcv=1.997.

Q: 3. Compute a confidence interval (95% interval, 2-tailed) for a mean. Data: sample mean (X) = 38.5;…

A: From the provided information, Sample size (n) = 22 Sample mean (x̅) = 38.5 Sample standard…

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.