Calculate mean deviation from mean and median for the following data: 100, 150, 200, 250, 360, 490, 500, 600, 671 also calculate coefficients of M.D?

Q: Why is the standard deviation preferable to the range as a measure of variation?

A: A range is the most common and easily understandable measure of dispersion. It is the difference…

Q: What is the z score for 20 if mean =28 and stadnard deviation =6

A: The z-score of a random variable x is defined as follows: z = (x – µ)/σ. Here, µ and σ are the mean…

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 salaries of a company's employees are normally distributed with mean 15000 and standard…

A:

Q: Find the mean and standard deviation for the following:…

A: a)Mean: The Mean is 1.41

Q: Explain the key features of a normal distribution

A: Normal Distribution :  The normal distribution is also called as Gaussian distribution. It is made…

Q: A normally distributed set of data has been generated where 50% of the data lies below 97 and 70%…

A:

Q: Explain the percentage slabs under the Standard Deviation Rule?

A: The percentage of slabs under the standard deviation rule or empirical rule is discussed as follows:

Q: Approximately what percentage of normally distributed data values will fall within 2 standard…

A: It is known that, normal curve is a symmetric and bell shaped distribution.

Q: The standard deviation may not be greater than the mean. O True O False

A: False: standard deviations may be greater than mean  example: random variable x follow standard…

Q: on jan 15 the temperature is 4 degre standar deviation above the mean what is temperature on jan 15

A: Given that Mean temperature = 16 And SD = 0.5 Let x denote the temperature on Jan 15.

Q: Which of the following statistics would be helpful for measuring dispersion? (the spread

A: Given problem Given that   Which of the following statistics would be helpful for measuring…

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: The following are the weights of 10 children admitted in a hospital on a particular day. Find the…

A: The mean for the dataset is calculated by dividing the sum of all data points, with the number of…

Q: 1. Six major earthquakes had Richter magnitudes 7.0, 6.2, 7.7, 8.0, 6.4, 6.2. (a) What is the mean…

A: Solution

Q: What is the corresponding Z score ? Mean is 70, standard deviation is 10 and X= 89

A: We have to find z score.

Q: The sample mean x (with a bar above) is the best point estimator of the sample mean u(mu) True or…

A: Sample mean: The sum of the all observations of sample divided by the total number of observations…

Q: Calculate coefficient of variation from the following data: 25, 27, 30, 32, 32, 40, 45, 46, 47, 48

A:

Q: Ex 2\\ Calculate the Variance and Standard deviation for the following data X= 15, 10, 8, 4, 23, 25,…

A: We have to find standard deviation and variance of given data. Formulae required:  Variance=∑…

Q: Find the mean, the standard deviation and the Z scores corresponding to the minimum and maximum…

A: 2.3, 1.0, 2.1, 6.5, 2.8, 7.8, 1.7, 2.9, 4.4, 5.1, 2.0

Q: The following are ages in years of nine employees of a large company. 46, 22, 35, 26, 22, 53, 33,…

A: The question is about measures Given : Data : 46, 22, 35, 26, 22, 53, 33, 42, 59   To find : Mean…

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: The following are ages in years of nine employees of a large company. 46, 22, 35, 26, 22, 53, 33,…

A: Given: The sample data is: 46,22,35,26,22,53,33,42,59

Q: 3. Find the mean, median, mode, and Standard deviation of the following data: 15, 11, 18, 9, 15, 18,…

A: The mean can be calculated as follows:

Q: If the highest paid soccer platyer has his salary doubled, which of these will change? Can you…

A: We have to find correct options which will change.

Q: Differentiate between qualitative and quantitative data with examples. What are the limitations of…

A: Qualitative research is aimed at gaining a deep understanding of a specific organization or event,…

Q: e following data represent the number of people aged 25 to 64 years covered by health insurance…

A: The formula to compute the sample mean is, The formula to compute population standard deviation is,…

Q: Find z score  Xbar= 20 ,mean= 40 , standard deviation = 10

A: Given that Xbar= 20  mean= 40  standard deviation = 10 We have to find z score:

Q: what percent of values fall between 5.25 and 8.75 if the mean =8 and standard deviation =1.89

A: Mean=8 Standard deviations=1.89

Q: what percent of values fall between 5.25 and 8.75 if the mean =7 and standard deviation =1.75

A: Mean=7 Standard deviations=1.75