the manager of a small dry cleaner employs six people. as part of their personal file, she asked each one to record to the nearest one-tenth of a mile the distance they travel from home to work. the 6 distances are listed below. Find the sample VARIANCE and the STANDARD DEVIATION for the given data. round your final answer to one more decimal place than that used for observations. use BOTH the DEFINING formula and the COMPUTING formula to find the standard deviation and compare your answer for the 2 methods. 12.7,  24.5, 40.4, 30.8, 22.5, 15.6

Q: Microsoft Word - U. alc.. Descriptive Statistic... E Variance Calculator Open with - 5. How far away…

A:

Q: Find the standard deviation of the lengths of the wolves in the entire animal preserve.

A: The mean of the lengths of the wolves in the entire animal preserve is,…

Q: You throw a ball as far as you can 5 times, recording the distance for each throw: 165 feet, 184…

A: since only 5 observation is given we will consider them as sample (n = 5)and population (N = 100)…

Q: some reports, the mean and coefficient of variation are given. For instance, one report gives the…

A: Given that the mean is 2.6 and the coefficient of variation is 2.7%. We have to find the standard…

Q: Find a. the​ mean; b. the deviation from the mean for each data​ item; and c. the sum of the…

A: Given that Data items : 2.50​, 3.60​, 2.70​, 2.30​, 3.90 Sum of data values = 2.50 + 3.60 + 2.70 +…

Q: or the numbers 116.0, 97.9, 114.2, 106.8 and 108.3, find the mean and standard deviation

A: Given data  116 , 97.9 , 114.2 , 106.8 , 108.3 Sum of data values = 116.0 + 97.9 + 114.2 + 106.8 +…

Q: Illustration 10.7. Compute the standard deviation by the short method for the following data: 11,…

A: Data given  11,12,13,14,15,16,17,18,19,20,21

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

A:

Q: Find the standard deviation for the population data set. You must clearly show your work with…

A: Given data 2, 5, 9, 11, 13 Mean,  x = ∑i xin= 2+5+9+11+135 = 8 xi (xi-x¯) (xi-x¯)2 2 -6 36 5…

Q: Find the sample standard deviation. The top five scores on last semesters midterms were 90 97 100 90…

A: The question is about measures Given : Data - 90, 97, 100, 90, 93   To find : Sample std. deviation

Q: alculate the median of the data shown, to two decimal places, 24.4,11.1,2.1,29,8.7,6.9,6.6,1.1

A: The given data is 24.4,11.1,2.1,29,8.7,6.9,6.6,1.1

Q: Find the variance and standard deviation of the data

A: Given data, x=5,6,8,9,10,11,14   The sample mean is

Q: Find the range, the standard deviation, and the variance for the given samples. Round non-integer…

A:

Q: In Exercise, we have provided simple data sets for you to practice the basics of finding measures of…

A: According to the provided information, a sample of 5 observation are givenThe range is defined as…

Q: Find the means, variance, and standard deviation.  Data: 10, 60, 50, 30, 40, 20,25

A: We have given that,  X :- 10, 60, 50, 30, 40, 20, 25 Then,  We will find the Mean, Variance and…

Q: e the table. Round values to the nearest tenth as needed. Midpoint x x-X (x-x)2 (x-x)?f 70.5 92.5…

A:

Q: Find the range, the standard deviation, and the variance for the given samples. Round non-integer…

A: Range: The range of a data set is: Range = Maximum – Minimum. A careful observation of the data set…

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

A: given data  cv = 1.9% μ = 3.2σ = ?

Q: Use either your graphing calculator or Table A.2. Round to 4 decimal places if necessary. The birth…

A: Given: Population mean μ=7.46 Population standard deviation σ=1.8 Consider X be the random variable…

Q: Complete the Chart for the following set of data. The Mean of the data is 30. Only fill in the…

A:

Q: Use the following data for this exercise: 15 34 46 36 34 28 52 28 a. Calculate the mean, the median,…

A: Sample size  = n = 8. Data: 15, 34, 46, 36, 34, 28, 52, 28.

Q: highway mileage (mpg) for a sample of 8 different models of a car company can be found below. Find…

A: given data, sample size=8we have to find out the mean , median, mode and  standard deviation for the…

Q: Find the mean and median of the class’s scores on this quiz. Round to two decimal places when needed

A: Given that  From histogram  X-axis takes X values and Y-axis takes Frequency  X Frequency = f 1…

Q: pasting the output into Word and attaching it to your post. Graph the data as a histogram with a fit…

A:

Q: Use the table to find the standard score and percentile of the following data values. a. A data…

A: We will use the given table to solve the problem.

Q: The ages (in years) of a random sample of shoppers at a gaming store are shown. Determine the range,…

A: We have to calculate some summary statistics for given data.

Q: 5. Two different 5th grade classes take the same test. In the first class of 50 students the mean…

A: Given the First class Sample size =50  Mean =70  Second class  Sample size =20  Mean =90 We have to…

Q: A student takes a multiple-choice test that has 6 questions. Each question has four choices. student…

A: It is given that,  A student takes a multiple-choice test that has 6 questions i.e. n=6 Each…

Q: In Exercise, we have provided simple data sets for you to practice the basics of finding measures of…

A: a. Range:Range is the difference between maximum and minimum value in a data set.In the given data…

Q: Calculate the mean, median, mode, range and standard deviation of the data: -5, -3, -3, 1, 9

A: We have given data 5, -3, -3, 1, 9 We have to make the following table to compute median, mode,…

Q: list the number of expenses for each day and create a graphical representation of the gathered data.…

A: list the number of expenses for each day and create a graphical representation of the gathered data.…

Q: Task: Consider a population consisting of the following data: 3, 5, 7, 9. 1. Solve for the…

A: From the given information we find the solution

Q: Find the standard deviation for the following data. Round your answer to 2 decimal places as needed…

A:

Q: Find a. the​ mean; b. the deviation from the mean for each data​ item; and c. the sum of the…

A: Given data set is 157, 158, 163, 167, 170

Q: The tourist bureau of the Caribbean Islands surveyed a sample of 5 United States tourists as they…

A: Standard deviation :

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

A: From the given information, the known values are $418, $455, $400, $217. Range:…

Q: A student studying statistics wants to look at data for his favorite sport, American football. He…

A: It is given that that a student collect data on the lengths of 100 field goals from various games…

Q: Find the range, the standard deviation, and the variance for the given samples. Round non-integers…

A: Given data is74,80,76,70,69,87,59,66,52Arrange the data in ascending…

Q: We have provided simple data sets for you to practice the basics of finding measures of variation.…

A:

Q: Find the range, the standard deviation, and the variance for the given samples. Round non-integer…

A: First step is to arrange the data in ascending order (smallest to largest). 45 ,51, 61 , 64 , 66 ,…