Suppose you are testing Hoμ = 94 against Ha: μ< 94. From an SRS of 68 individuals, you compute X = 109 and s=4.6. What are the degrees of freedom for the distribution of test statistic t?

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A:

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A: Descriptive statistics

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A: Given that  Sample size n =80 Level of significance α=.01

Q: The numbers shown below are the means and ranges for eight samples. Each sample has three…

A: Given:The mean and range values are given.α=0.003sample size (n)=3Number of samples (k)=8

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A:

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A: The answer is attached below,

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A:

Q: In the fall semester of 2019, Mrs. Osborne taught Math 123 online. The table below gives the scores…

A: Given: Sample size n1 = 8 Sample Size n2 = 8 α=0.05 Formula: x=∑i=1n=x1n Test Statistic formula is…

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A:

Q: 5% 2% % -% 0 10 20 Which statement is true? Most people cr 30 Histogram of Final Exam Scores 40 8 50…

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A: It is given that the mean annual salary is 146000 dollars and standard deviation 35000 dollars.…

Q: Find the lower and upper X ² critical values at 80% confidence and sample size 16. Round to the 3…

A: Given Confidence interval 80% n=16

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A: A sample of 897 cars; n=897 304 preferred domestic cars; x=304 α=0.05

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A:

Q: nsider a country in which three goods (A, B, and C) are produced. The following table shows data for…

A: Quantities produced Unit prices         Q1 Q2 P1 P2 Good A 51 45 10 14 Good B 23 54 10 6…

Q: (15 Pt) 10. Jamie made the plot for her car showing the miles she drove on nine trips and the gas…

A: The given regression line of "distance driven" (i.e., y) on "gas used" (i.e., x) is:…

Q: Given the data set: 194,219,93,299,191, calculate the deviation score associated with 93. Enter your…

A: The mean is calculated as follows: μ=∑xN  =194+219+93+299+1915  =199.2 The mean is 199.2.

Q: Weatherwise is a magazine published by the American Meteorological Society. One issue gives a rating…

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

Q: If a hypothesis test using a sample of n = 16 scores produces a t statistic of t = 2.15, then the…

A: Given:             Sample Size = n = 16              t statistic of t = 2.15…

Q: Estimate of the proportion p for a 95% confidence with a sample size ? = 400 and point estimate ?̂=…

A: Givensample size(n)=400point estimate(p^)=0.4confidence level=95%

Q: Data on investments in the high-tech industry by venture capitalists are compiled by a corporation.…

A:

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A: Given Socks within 3 standard deviations of the mean strength meet the standards

Q: . According to a genetic theory, there is a 10% chance that a randomly selected person from a large…

A: Given info: According to a genetic theory, there is a 10% chance that a randomly selected person…

Q: At Roxbury Community College, 7 out of every 10 students take introduction to Statistics. If there…

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A: ANOVA approach

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A: The question is about grouped frequency dist. Given :

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Q: For a standard normal distribution, find: P(-0.42 < z < 1.77)

A: GivenP(-0.42&lt;z&lt;1.77)

Q: Suppose that adult glucose levels are Normally distributed with a mean of 99 mg/dL (milligrams per…

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

Q: For a confidence level of 99% with a sample size of 25, find the critical t value.

A: Given Confidence level 99% Sample size 25

Q: A class of eleven people received the test scores shown below, sorted by score. 32 51 69 73 74 75 82…

A: The data is arranged in ascending order.

Q: find the standard deviation (s) for the following data set using step by step approach: 896 833 681…

A: The given data is  896 833 681 807 730 934 819

Q: nt in Charlotte, North use: advise and possib er, and arrest the offen. termined by re-arrest r

A: number of subsequent arrest arrest citation  advise/separate total 0 175 181 187 543 1 36 33 24…

Q: apply 68-95-99.7 rule to the following question. (show that what % of observations lie between…

A: Given that, μ=60,σ=5

Q: Test the claim that the proportion of people who own cats is significantly different than 20% at the…

A: Given that  Sample size n =400 Sample proportion p^=12%=0.12 Population proportion p=20%=0.20

Q: 39 9 7 38 21 18 a point estimate for the population standar 33 19 24 34

A: The given data is x 7 39 38 33 24 21 9 18 19 34

Q: am be select

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A: NO Claim is not accept

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A: The question is about normal dist. Given :

Q: Given the standard normal distribution, find P(z0.73)

A: Let z be the standard normal variable with mean is μ=0 and standard deviation is σ=1 The probability…

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A: From the above question The values of n is 6

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A: Given 18, 16, 16, 16, 14, 18, 16, 18, 14, 19. n=10

Q: An engineer is going to redesign an ejection seat for an airplane. The seat was designed for pilots…

A: Consider X denotes the weight of pilot which follows normal distribution with mean of 137 and a…