A random sample of 10 subjects have weights with a standard deviation of 9.1372 kg. What is the variance of their weights? Be sure to include the appropriate units with the result. The variance of the sample data is (Round to four decimal places as needed.)

Q: 1. Calculate the Range: 2. Calculate the Mean (2): 3. Calculate the Average Deviation : the Variance

A: It is given that the weight of grade 7 students of ETTMNIHS.   Range: It is the difference between…

Q: An insurance company crashed four cars in succession at 5 miles per hour. The cost of repair for…

A: Range:The range is the difference between the largest and smallest values of the data distribution.

Q: A webpage's Design A is to be compared with Design B. The number of dicks on an ad is counted for 15…

A: The pooled variance is calculated as follows. sp2=n1-1s12+n2-1s22n1+n2-2=15-1×92+15-1×5215+15-2=53

Q: What is the variance of the small DATA: 7, 13, 5, 9, 16 a. 4.47

A: The data is given as follows 7 13 5 9 16

Q: Question 2 Below is a sample of five students' weights (in Kilograms) who are considered obese at…

A:

Q: Calculate the standard deviation and variance of the sample data shown, to two decimal places x…

A: The following data has been provided: 20.7,15.2,2.5,3.8,17.9 The sample size is n=5

Q: If the coefficient of variation for the weights of a sample of packages is equal to (22.5%) and the…

A: We have to find variance.

Q: What is the variance if the standard deviation is 1? A, 0.1 B, 1 C. 5 D. 100

A: Solution: given standard deviations of random variable x is sd(x)=1  Then varience of x will be?…

Q: In some reports the mean land coeefficient of variation are given.  For instance, one report gives…

A: Given ,         Average X=2.2and coefficient of variation C.V=2.9 %

Q: Calculate the sample standard deviation for this data set: 65, 48, 70. The formula for the sample…

A:

Q: Coach Best serve test to his volleyball class.   There were 22 students in the class.  What would be…

A: Given  N=22 Mean=12.5 Median=11 Mode=11 ∑x=274 s (standard deviation) = 2.3

Q: What if I'm told what the standard deviation is, can I find the variance? What units is standard…

A: Introduction  The questions is about standard deviations. Can we find the variance. And whate units…

Q: The director of research and development testing and new drugs she wants to know if there's evidence…

A: Test statistic:Denote μ as the claimed mean; μ = 384. In a random sample of n = 79, the sample mean…

Q: 3. Find the variance and Standard Deviation of the given data obtained from the test of 56 students.…

A: Ans#- Find Sample Variance (s2) Sample Standard deviation (s) from the following grouped data…

Q: Q2 : A: Find the standard deviation and variance of the following data classes 10- 13- 16- 19-22…

A: Given data is Classes 10- 13- 16- 19-22 frequency 4 12 20 14 Class width = Upper class limit…

Q: Find the mean, variance, standard deviation, zscore of each variable.

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Q: Assume that the values x below, represent data collected for a population. Calculate the summary…

A: For the given data mean =? s.d =? variance =?

Q: The range of the sample data is (Round to one decimal place as needed.) The standard deviation of…

A: Step 1: The given observations are: 49,44,35,57,0,43,35,41,36,44,57,46,0,0 The total number of…

Q: During rush hour, the traffic speed on a busy highway is found to have mean 42 mph and standard…

A:

Q: The range of the sample data is (Round to three decimal places as needed.) Sample standard deviation…

A:

Q: the​ range, variance, and standard deviation for the given sample data. Include appropriate units in…

A:

Q: I am trying to determine the variance, standard deviation and the CV for a set of data. The data…

A: Descriptive statistics are referred to as the summary statistics.

Q: Listed below are foot lengths in inches for 11 randomly selected people taken in 1988. Find the…

A:

Q: For the following population of scores: 11         0          2          9          9          5…

A: The given population of score are 11, 0, 2, 9, 9, and 5.

Q: For each of the following three data sets, calculate the variance and standard deviation of the…

A: Given Let  female heights (X) test scores (Y) college credit (Z) 50.0 282 96 51.5 297 103…

Q: Find the range, variance, and standard deviation for the given sample data. Include appropriate…

A: Given data are0.93,1.04,1.25,1.21,1.08,1.01,0.96,1.24,0.69,1.41,0.63Here we need to find the  range,…

Q: 10- 13- 16- 19-2 4 12 20 14

A:

Q: When testing the difference between two population means, the variances are pooled when elect one:…

A: The pooled variance is the average of the group variances. It combines the estimates of the…

Q: Race time X-H in hours For For X2 For X3 Write the values in each of the blanks above (note-for i,…

A: Given: Values are denoted by, 2.7,5.1, 4.2 Mean is given to be μ=4

Q: between 5 and 10 twenty-page papers for a sample of 19 national universities. 0533110 2 23124 21…

A: The required calculations are as follows:   x (x-x¯)2   0 7.7841   5 4.8841   3 0.0441…

Q: 3) Suppose we double each score. What is the range, mean, variance, and standard deviation?

A: It is required to calculate the range, mean, variance, and standard deviation, when each score is…

Q: If the variance is 140.2, what is the Standard deviation from the following? O a. 16.56 O b. 11.84 O…

A: Given data,Variance=140.2Standard deviation=?

Q: 1.- The scores for a Prestatistics exam are given: 90 79 73 61 76 93 33 87 15 49 87 36 e. Find the…

A: Given problem Given that   The scores for a Prestatistics exam are given : 90 79 73 61 76 93 33 87…

Q: Suppose that the distance of fly balls hit to the outfield (in baseball) is normally distributed…

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Q: Two accounting professors decided to compare the variance of their grading procedures. To accomplish…

A: Two accounting professors decided to compare the variance of their grading procedures.

Q: If the variance of a population and a sample were 100, what would be the standard each respectively?…

A: The population variance is .The sample variance is .The variance is a measure of the dispersion of…

Q: A teacher reported the following grades on a math exam: 56, 62, 63, 71, 71, 72, 78, 85, 85, 94…

A: Given: Grades on a math exam are: X = 56, 62, 63, 71, 71, 72, 78, 85, 85, 94 Number of observations…

Q: Find the​ range, variance, and standard deviation for the given sample data. Include appropriate…

A: Here we need to find the range, variance and standard deviation for the given sample data. We know;…

Q: The range of the data set is (Round to two decimal places as needed.) The standard deviation, s, of…

A: We can compute range, sample standard deviation and sample variance using MS EXCEL functions.

Q: Calculate the standard deviation and variance of the sample data shown, to two decimal places x 1.4…

A: Sample standard deviation: 1.4 1.96 1.3 1.69 21.3 453.69 4.2 17.64 1.9 3.61 15.2…

Q: Given the following information of a sample data, calculate the variance and standard deviation:…

A: n=8

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

A:

Q: Calculate the Variance using the following information: |ΣΧ;= ΣΧ2 = n 32.3 413.8 18 Round your…

A: given data ∑Xi = 32.3∑Xi2 = 413.8n = 18variance = ?