is a measure of difference between the observed value of a variable and some other value. Select one: a. Deviation b. none of these c. Dispersion d. Mean Deviation

Q: Which of the following quantities is most resistant to outliers? Answer choices: a.) the standard…

A: Given data: Which of the following quantities is most resistant to outliers? Answer choices:  a.)…

Q: Let X = (5400 4900 6300 6700 )T be the estimates in dollars for the cost of replacing a roof on…

A: Given:                  X=5400, 4900, 6300, 6700 A sample mean refers to the average of a set of…

Q: For the following data obtain (i) mean, (ii) median, (iii) mean deviation from median, and (iv) the…

A:

Q: For a set of data that are distributed in a bell or mound shape, approximately what percentage of…

A: In particular, the empirical rule predicts that 68% of observations falls within the first standard…

Q: A) What percent of car sales amounts are between $11,700 and $18,900? B) 99.7% of all people paid…

A: For a normal distribution with mean μ and standard deviation σ, we have: P(x<=a) =…

Q: Match the histograms on the right to the summary statistics given. Standard Mean Median Deviation 53…

A: Histogram : A bar graph may be a graphical illustration that divides a group of information points…

Q: In my homework assignment, I have a concern about standard deviation do I have to round it to two…

A: Rounding-off must always be done as per the instruction in the  question. In the absence of an…

Q: The line plot shows the surface area, in square feet, of the nine desks sold by Matt's Furniture…

A: Modulus of any number is always positive. i. e., |-a| = a     where, a = all real numbers.

Q: A quantity surveyor was asked to study the weight of beef in a particular company. He measured 10…

A:

Q: (a) Determine the mean and the standard deviation for each data set.

A:

Q: For the given values ​​, calculate the standard deviation .

A: Given Data : For calculating the standard deviation, below table will be used    YY Y2Y^2 1 5…

Q: Find the following measures of dispersion using the following lists of average monthly temperatures…

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

Q: Use the data to answer the following questions: 10; 11; 15; 15; 17; 22 What number is two standard…

A:

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

A:

Q: Specify the mathematical symbol used for each of the following descriptive measures. a. Sample mean…

A:

Q: The mean is to central tendency as _________ is to variability. a) the dependent variable b) the…

A: We know that mean is a measure of central tendency.

Q: For the data shown, answer the questions. x 11.1 16.1 26.4 15.2 10.9 Find the mean:  Find the…

A:

Q: What is the coefficient of variation of a data, which has a standart deviation 28 and mean as 400?…

A:

Q: A final exam for a Biology course has a mean of 80 and a stardard deviation of 3. Find the…

A: From the given information,   Mean = 80 Standard deviation = 3   The objective is to find the…

Q: Which of the following can be thought of as the “average deviation”? a. Sum of Squares b. Variance…

A:

Q: If a data set has a mean of 80 and a standard deviation of 10, calculate +1.5 standard deviations…

A: Given : data set has a mean of 80 and a standard deviation of 10

Q: b- Find out which is more dispersion variable (X) or variable (Y). if the Arithmetic Mean and the…

A:

Q: The following data show the weights (in pounds) of 20 students in a class. Find the standard…

A: Given that data The weights of 20 students in a class. Number of data values (n) = 20 Sum of all…

Q: On a standardized test with a normal distribution, the me was 64.3 and the standard deviation was…

A: We have given that  The scores follow the normal distribution with mean 64.3 and standard deviation…

Q: The national mean for verbal scores on an exam was 428 and the standard deviation was 113.…

A:

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

A:

Q: a) Find the mean? b) Find the median? c) Find the mode?

A: Here AS PER POLICY I HAVE CALCULATED 3 SUBPARTS  The following data was the exam scores (out of 100…

Q: Solve for the mean and the standard deviation of the following normally distributed set of data. a.…

A: We have given that Standard deviation below mean is 6.7 and standard deviation above the mean is 9.9

Q: answer the following. a. From this data calculate the Mean, Median, Mode and Standard Deviation. b.…

A: 4. a. The descriptive analysis is conducted using EXCEL. The software procedure is given below:…

Q: Having the data values listed in order from smallest to largest is helpful in finding which of the…

A: Median: It is a value that lies in the middle of data arranged in ascending or descending order.…

Q: For a given data, calculate the mean, the median, the standard deviation. Show your work, do not…

A:

Q: For data with a bell shaped about of the data lie within three standard deviation of the mean 68%…

A:

Q: the number of cookies in a shipment of bags are normally distributed with a mean of 64 and a…

A: Given that.   X~N( μ , ?^2 )   μ=64     , ?=4   Z-score =( x - μ )/?

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

A:

Q: A quantitative data set has mean 25 and standard deviation 2. At least what percentage of the…

A: The Chebyshev’s rule states that, for any quantitative data set and any real number greater than…

Q: Click the score that is two standard deviations above the mean. IQ Test Scores 30 40 50 60 70 80 90…

A:

Q: The following percentages of chloride were found: 32.52%, 32.14%, 32.61%, and 32.75%? a. find the…

A: Given that,       32.52%, 32.14%, 32.61% and 32.75

Q: Q - 3 From the following distribution, determine the quartile deviation. Height ( inches) No. of…

A: Given that, Height (inches) 30 35 40 45 50 No. Of students 5 15 20 12 8 We need to find the…

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: Find the following z scores with a mean of 25 and a standard deviation of 4. a. 20 b. 32 c. 28…

A:

Q: a) For the following calculate mean deviation using median. Height No. of Boys 55 56 57 58 59 60 25…

A: Given Height No of boys 55 25 56 40 57 50 58 20 59 10 60 5

Q: for the following sets of data, calculate the mean and standard deviation of the data. describe the…

A:

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

A: Solution: x(1) Frequency (f)(2) f⋅x(3)=(2)×(1) f⋅x2=(f⋅x)×(x)(4)=(3)×(1) 50 3 150 7500 60 6…

Q: For the data shown, answer the questions. Round to 2 decimal places. 27.8 24.3 22 9.3 28.2 27.2 3.1…

A: Mean = 21.28

Q: Assuming that the heights of college women are normally distributed with mean 62 inches and standard…

A: If Xis a normal variate with mean=μ, S.D=σ, then Z=x-μσ is a standard normal variate. That is, If…

Q: A survey collected the data below. x 26 4 16 12 20 The mean is 15.6. Calculate the deviation of…

A: Given data,  X : 26, 4, 16, 12, 20 Given mean is 15.6 To find the deviation of x = 16

Q: The yield of a variety of wheat was measured on a series of small plots and was found to be…

A:

Q: Q1 For the tabulated data, find the (a) mean, (b) median, (c) mode, (d) standard deviation. Classes…

A: The table helps to find the value mean, median, mode and standard deviation. classes Frequency,fi…

Q: For the following data in the sample:     0,    6,    8,    6,    5 Find the mean and the standard…

A: The data is given as 0, 6, 8, 6, 5.

Q: What is the standart- deviation of Y in the following data? a | -2 | -1 | 0|1| 2 | 3 -3 -1 -2 Select…

A: Working: y (y-ybar)^2 -3 9 -2 4 -1 1 0 0 4 16 2 4