The mean weight of Sumo wrestlers is 350 pounds with a standard deviation of 25 pounds. Assume the distribution of Sumo wrestler weights is unimodal and symmetric and the Empirical Rule applies. Between what two values would you expect to find the middle 99.7% of Sumo wrestler weights? 350 to 450 pounds 300 to 400 pounds 325 to 375 pounds 275 to 425 pounds

Q: In a certain country the heights of adult men are normally distributed with a mean of 70inches and a…

A: Given that, Mean = 70 Standard deviation = 2.6

Q: Find the mean deviation about median

A: Here given frequency distribution of height

Q: The distribution of the IQ (Intelligence Quotient) is approximately normal in shape with a mean of…

A: Given information: μ=100σ=15 Standard deviation rule: 68% of the data lies between μ-σ,μ+σ95% of the…

Q: A population has a mean μ = 88 and a standard deviation a=7. Find the mean and standard deviation of…

A: The mean is 88 and the standard deviation is 7.

Q: The average age of our class is 22.3 years.  The standard deviation is 4.7 years.  If the variable…

A: Solution: Let X be the average age of class has normal  distribution  with mean μ=22.3 years and…

Q: Find the standard deviation (rounded to the nearest unit) for the data indicated

A: We have to find the standard deviation based on the given frequency distribution.

Q: The average dog at a dog facility takes 25 trials in order to learn how to sit, with a standard…

A: The normal distribution is a continuous probability distribution that has wide applications. X…

Q: Find the range and standard deviation of the following set of data. The range is 196, 188, 191, 202,…

A:

Q: Below are the range and standard deviation for a set of data. Use the range rule of thumb and…

A:

Q: The weight of laboratory mice follows a normal distribution, with a mean of 0.68 ounce and a…

A: Answer  Mean =0.68 Standard deviation =0.02

Q: Value | Frequency 27 96 58 3 54 4 18 7

A:

Q: IQ scores are normally distributed with a mean of 100 and a standard deviation of 15. Find the IQ…

A: Excel formula: =NORMINV(0.305,0,1)=-0.5100

Q: Heights for group of people normally distributed with mean = 65 inches and standard deviation = 2.8…

A: Let us denote H as the heights follows normal distribution with mean 65 and standard deviation of…

Q: Given that a data set has the following data values: 2, 4, 6, what would be the standard deviation?…

A: We have given that,  The data set are : 2, 4, 6 Then,  We will find the standard deviation (s) = ?

Q: The weight of adult ground squirrels is approximately normally distributed with a population mean of…

A: Given that The weight of adult ground squirrels is approximately normally distributed with a…

Q: Find the standard deviation (rounded to the nearest unit) for the data indicated. Test Score…

A:

Q: A population has a mean μ = 71 and a standard deviation a=18. Find the mean and standard deviation…

A: List of formulae :  Mean of sampling distribution of the sample means :  μx¯ =μ Standard deviation…

Q: (Simplify your answer.) (Simplify your answer.)

A: It is given that  Mean, μ = 73 Standard deviation, σ = 6 Sample size, n = 36

Q: The table to the right lists the monthly price (in dollars) of a pound of coffee and a gallon of…

A: From the provided information, The table is as follow: Month Coffee Price $/lb Gasoline…

Q: Calculate mean deviation from mean and Mode. Also calculate  its coefficien from the   following…

A: Data represents the frequency distribution of weights .   Solution: Mean x¯=∑fx∑f              =…

Q: The weights of Ajax salmon are approximately normally distributed with a mean of 34 pounds and a…

A: GivenMean(x¯)=34standard deviation(σ)=8

Q: Suppose that the weights of packages shipped by Atlas Shipping are normally distributed, with mean…

A:

Q: e z scores to compare the given values. recent awards ceremony, the age of the win the standard…

A: Actor=X , Actress=Y X=35  ,  Mean=47.6 , Standard deviation=6.7 Y=48  , Mean=35.6 , Standard…

Q: 1,3,5,7,9   Find:  a. range b. mean and MAD c. variance d. standard deviation

A: For a set of observations, range is the difference between maximum and minimum value. For a set of n…

Q: Scores on the verbal Graduate Record Exam​ (GRE) have a mean of 448 and a standard deviation of 113.…

A:

Q: Test Score Frequency 90 80 4 70 60 6 50 3

A:

Q: Calculate mean deviation from median from the following data : Marks less than No. of Students 80 70…

A:

Q: Find the range, mean or average deviation, variance and standard deviation of the following grouped…

A:

Q: The prices of the tablets in a store have a mean of $735 and a standard deviation of $65. Calculate…

A: Given,   Mean = 735 Standard deviation = 65

Q: The weights of the native North American Blue Jay have a mean of 18.4 ounces with a standard…

A:

Q: The birth weights of newborn elephants are Normally distributed with a mean of 160 pounds and a…

A:

Q: The annual income for a sample of 450 part-time students is normally distributed with a mean income…

A: Given that: Population mean, μ=31000 Population standard deviation, σ=3000 Sample size, n=450

Q: Find the standard deviation (rounded to the nearest unit) for the data indicated. Test Score…

A:

Q: A population is normally distributed with a mean of 20.  What is the population standard deviation…

A:

Q: Identify the data value corresponding to the indicated percentile. The amount of sleep an adult gets…

A: The normal distribution:A continuous random variable X is said to follow normal distribution with…

Q: Scores on the Wechsler Adult Intelligence Scale for the 20 to 34 age group are approximately…

A:

Q: As a chemical engineer working for a tire manufacturer, you collect the following data in order to…

A: Given: Kilometers with acceptable wear, x Frequency, f 30000 15 35000 20 40000 34 45000…

Q: Square of the standard deviation is called

A:

Q: Which of the following are measures on positions of a data seta the maximum the standard deviation…

A: Solution : Measures on positions of a data sets - Positional measures are also referred as measures…

Q: The incomes of math tutors in a tutoring center of a university are normally distributed with a mean…

A: Given,mean(μ)=$1100standard deviation(σ)=$150

Q: Find Quartile Deviation for the following data. 10, 13, 9, 6, 4, 9, 18, 8, 7, 5, 14

A:

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.