The standard deviation of a sample was reported to be 4. The report indicated that (x-x)² = 336. What is the sample size? 112 X Need Help? Read It

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Q: n this scenario, what is the test statistic? A linguist believes the average age children learn a…

A: Given: n= 21.0 ,x̄= 9.2 ,s= 2.5 µ= 10.0 ,degree of freedom= 20.0

Q: Please help with part F which I got wrong answers: P-value of the sample statistic rounded to 4…

A: Note:  As per the students requirement solving part(f). From the available information, Sample…

Q: ily Driving The average number of miles a person drives per day is 24. A researcher wishes to see if…

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Q: You throw a ball as far as you can 5 times, recording the distance for each throw: 165 feet, 184…

A: since only 5 observation is given we will consider them as sample (n = 5)and population (N = 100)…

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A: It is given that the mean is 10,000 and the standard deviation is 10.

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Q: A normally distributed set of population scores has a mean of 65 and a standard deviation of 10.2.,…

A: Given: mean (X¯)=65   standard deviation (σ)=10.2 Sample Size (n)=46

Q: Use the values below to compute the sample standard deviation. Please show work.

A: The sample standard deviation is denoted by s. The formula for the sample standard deviation (s) is…

Q: Samples of size n=4000 are randomly selected from a population of homeowners in Florida. The square…

A: Samples of size n=4000

Q: you want to obtain a sample to estimate a population mean. based on previous evidence, you believe…

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A: Determine the value of sample size n. The value of sample size n is obtained as shown below: Use…

Q: Daily Driving The average number of miles a person drives per day is 24. A researcher wishes to see…

A: Given: n=25x¯=22.5σ=4.1α=0.01μ=24 The test hypothesis are, H0: μ = 24 H1: μ < 24. The hypothesis…

Q: It takes an average of 8.7 minutes for blood to begin clotting after an injury. An EMT wants to see…

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A: The 95% confidence interval: 1.2 mi/day to 7.8 mi/day If this is incorrect try to input 1.3 mi/day…

Q: How to find what numbers 89% lie between with a mean of 24 and a standard deviation of 4

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Q: Find Ztest Round your answer to the nearest hundredth A

A: n=100, x¯=703μ=720,σ=92

Q: supposed we have data on ages us presidents. We also have ages for a sample of high school teachers.…

A: Minimum age to become US president is 35 years and there is no maximum age limit. but for teachers…

Q: The FICO credit score is used by banks and other lenders to determine whether someone is a good…

A: Sample size(n)=100Sample mean()=703Population standard deviation()=92and

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A: Given that   x̄ = 14 , μ = 16 , ? = 7 , n = 4

Q: (Round to three decimal places as needed) (e) Using the normal model from part (c), find the…

A: We have given thatMean() = 1246.9standard deviation () = 101.6

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A: It is given that Margin of error E = 1 Standard deviation SD = 50 Level of confidence = 95% The…

Q: Using these reading scores  7, 7, 14, 9, 10, 8, 11, 14, 13, 14, 15, 15 and knowing the mean of the…

A: The data are 7, 7, 14, 9, 10, 8, 11, 14, 13, 14, 15, 15

Q: Daily Driving The average number of miles a person drives per day is 24. A researcher wishes to see…

A: We have to identify null and alternate hypothesis.

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A: The given claim is one sample mean significantly differs from a population mean. The population mean…

Q: A simple random sample of 100 observations was taken from a large population. The sample mean and…

A: Givensample size(n)=100Mean(x)=81standard deviation(s)=9

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A: To find the test statistic for a single sample test of means, we typically use the formula for the…