Aoutine at a specialty code step oberved the art of time in minutes, that coach of 20 customers spent wating to receive an order Time (min) to render 16 2 322 3.4 Find the mean and sample standard deviation of these des Round to the nearest hundredth sample standard deviation

Q: The weights of men in their 30s are normally distributed with a mean of 190 pounds and a standard…

A: From the provided information, Population mean (µ) = 190 pounds Population standard deviation (σ) =…

Q: The average salary of a male professor at a public four-year institution offering classes at the Dr…

A: Given Information : The average salary of a male professor at a public four-year institution…

Q: Use the formula to find the standard error of the distribution of differences in sample means,…

A: The answer is attached below,

Q: The amount of coffee that people drink per day is normally distributed with a mean of 16 ounces and…

A: Solution-: Given: \mu=16, \sigma=5,n=9 Our aim to find, (a) Q1 for the average of 9 coffee drinkers…

Q: A sample of 30 observations is selected from a normal population where the population standard…

A:

Q: tandard error of the mean is used in the

A: Given that  Estimated Standard error of the mean  We know that  Standard error of the mean is used…

Q: Le distribution). How many gallons of 1

A: We need to find the the value for the lowest 1%.Hence, look for the z-score that corresponds to area…

Q: A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of…

A: It is given that mean is 214.4 and the standard deviation is 0.6.

Q: A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of…

A: The mean is 205.9 cm and the standard deviation is 1.9 cm.

Q: The amount of time that people spend at Grover Hot Springs is normally distributed with a mean of 68…

A: Introduction: Denote Q1, Q2, Q3 as the three quartiles of the given distribution of scores in the…

Q: A review of all records in a large vetinary clinic show that indoor domestic cats at the clinic have…

A: Mean () =15standard deviation () =4sample size (n)= 37

Q: The amount of time that people spend at Grover Hot Springs is normally distributed with a mean of 70…

A: We are reauthorized to answer three sub parts at a time, since you have not mentioned which part you…

Q: there is no work shown how to get standard deviation or Variance  if I could have my questions back…

A: Answer:- Given, 28%  of U.S. employees who are late for work blame oversleeping. That is,…

Q: a dataset with a mean of 60 and a standard deviation of 8, how many observations are expected to…

A: The mean of a dataset is The standard deviation is The data is considered to follow normal…

Q: To qualify for a police academy, applicants are given a test of physical fitness. The scores are…

A: Given : mean (μ ) = 62 standard deviation (σ) = 7                                  σ²  = 49

Q: A student will spend 15 hours average each week in class. If the standard deviation is 2 hours, what…

A: Given that mean=15 and standard deviation = 2 Let, X= number of hours spent by a student in the…

Q: The amount of coffee that people drink per day is normally distributed with a mean of 15 ounces and…

A: It is given that, Mean,μ =15 ounces Standard deviation, σ=4.5 ounces

Q: During 1 week an overnight delivery company found that the weights of its parcels were normally 20oz…

A: According to the given information, During 1 week of an overnight delivery company found that weight…

Q: In 1988, on the math SAT, the males taking the exam averaged about 500, while the females averaged…

A: From the provided information,

Q: a sample of 1963 scores was drawn from a normal distribution with a mean of 19.84 and a standard…

A: Given that, μ=19.84,σ=1.918n=1963 Consider that exactly 2.3512% of the distribution of means falls…

Q: Assume that an intelligence test scores are distributed normallt with a mean of 100 and a standard…

A: Standard normal distribution: The standard normal distribution is a special case of normal…

Q: A designer collected information on the price of a random sample of newly designed products and the…

A: Note: Hey there! Thank you for the question. As you have posted a question with multiple sub-parts,…

Q: How can i compute the standard deviation

A:

Q: The number of gallons of paint that Home Depot sells in a given day is normally distributed with a…

A: Suppose for a random variable, X~N(μ, σ2) then the z-score for X is, Z=X-μσ…

Q: Suppose the mean length of songs played on a radio station is 190 seconds with a standard deviation…

A:

Q: The national average SAT schore was found to be a 2140 with a standard deviation of 892. If the…

A:

Q: Find the standard error of the sample mean such that we have 60 random samples with mean 25 and…

A: Sample size(n)=60mean=25standard deviation(s)=13

Q: There are two samples of children taken from a population. In the first sample, mean of age of 20…

A: Combined mean : To integrate two or more things into a single entity is to link them together.When…

Q: 9. Explain the similarities and differences between standard deviation and IQR. When might one be…

A:

Q: A man measures his heart rate before using a treadmill and then after walking on a treadmill for 10…

A: The given data is as follows:Sample size, Sample mean of difference, Sample standard deviation of…

Q: what is the Mean Absolute Deviation? What is it's purpose?

A: Deviation in statistical term defined as a single (or) more number of data values deviated from the…