a) The 10 shares in your portfolio had the following percentage changes in value over the past year: 3, 0, 6, -5, -2, 5, -18, 19, 14, 18 i. What is the sample mean? А З В 2 C 5 D 4 ii. What is the median? А З В 2 С 5 D 4 iii. What is the sample variance? A 127.11 B 114.4 С 11.27 D 10.70 iv. What is the sample range? A 15 В 1 C 37 D 20

Q: I'd you chose to compute a median for a variable, which measure of variability would you most likely…

A: Introduction: It is required to identify the measure of variability that is most likely to be…

Q: 13,6,−1,−12,9,−313,6,−1,−12,9,−3   Determine the median of the given data.

A: Eleven observations are given.The observations are 13, 6, −1, −12, 9, −313, 6, −1, −12, 9, −3.

Q: The number of credits being taken by a sample of 13 full-time college students are listed below.…

A:

Q: Calculate the coefficient of variation for products sold per store using this sample data 0, 77, 38,…

A: From the provided information, The data values are as follow: 0, 77, 38, -5, 44, 62

Q: exam is 53.48 and the mean for that same exam is 44.23.  What would be the shape of the distribution…

A: For any Normal distribution, the shape of the distribution can be said if the mean, median and mode…

Q: Find the std. dev., variance, range and coefficient of variance.  Compare the coefficient of…

A: Group A:

Q: 4 4 3 2 2 О-2 3-5 6-8 9-11 12-14

A: Histogram

Q: If the outlier is removed, what is the median of the remaining sample data? 12, 26, 30, 15, 22, 4,…

A: Median:                   The median of a set of data is the middlemost number or center value in…

Q: Find the median of the following data 8,11,7,9,14,16,3,13,17,21,15

A: Answer: Given data is, 8,11,7,9,14,16,3,13,17,21,15 Sample size (n) = 11 Data in ascending order is…

Q: Find mean, sample variance, SD and CV for the following data. 20, 25, 35, 30, 40, 45, 35

A:

Q: What's the median of the data set below?  6,0,0,1,2,10,15,1,3,9,1

A: Case (i) : Median is exactly the middle value of the data set, when given data set is odd (i.e., n =…

Q: 1. Find the mean, median, and mode of the set of data. 8, 12, 5, 6, 13, 11, 14, 8, 10, 15

A:

Q: find 3rd percentile for given data 12,13,20,16,5,4,6,9,7,14,16,18,19,16,25,15,14,5

A:

Q: 6. Consumerism The numbers of high-definition televisions sold each month for one year were recorded…

A:

Q: A small college takes a salary survey of last year's graduates. One of its graduates is drafted by a…

A: The appropriate measure as the salary representative is to be considered from the specified options…

Q: Find sample standrad deviatiom of data 5,7,1,8,26,25,20,17,14,19,5,8

A: x x-x (x-x)2 5 -7.9167 62.67414 7 -5.9167 35.00734 1 -11.9167 142.0077 8 -4.9167 24.17394…

Q: Make a stemplot of these data. Describe the overall pattern of the distribution. Are there any…

A: Steps for Stem-and-leaf diagram: In stem plot each of the observation is separated into two parts,…

Q: A class of 5 students averaged 70% on a given test. A class of 9 students averaged 80% on the same…

A: Introduction: Suppose there are k groups numbered 1, 2, 3, …, k – 1, and k.

Q: Which list of measures of central tendency represents the ranking from most to least affected by…

A:

Q: Consider the data set 3 8 8 4 9 Find the average (mean): Find the median: 2.

A: Given data, 3,1,8,7,6,5,8,2,4,9   Sort the data in ascending order. 1,2,3,4,5,6,7,8,8,9

Q: 12. Critical Thinking Consider the following types of data that were obtained from a random sample…

A: The three types of data are given.

Q: What is the standard devaition of the smaple data set? 83, 65, 91, 87, 84    The mean of those…

A: Given: data values  xi: 83, 65, 91, 87, 84  sample mean xbar=82  then to find standard deviations of…

Q: 8- What is the median of this data set? What does this number mean? 10 20 30 40 50 60 70 80 90 100…

A: Solution: Here, the box plot is given.

Q: In a sample of 81 elements, the mean was 60 and the variance was 144. What is the standard error for…

A:

Q: What is the variance of the data set 14,23,9,12,21,18,8

A:

Q: 1. Find the mean, median and variance for the following data set. 15, 10, 13, 7, 9, 8, 21, 9, 14, 8

A: Provided data is: 15, 10, 13, 7, 9, 8, 21, 9, 14, 8. Mean is sum of observations divided by number…

Q: For the population data: a. Create a histogram of the data and include a screenshot of it in your…

A: Solution For the population data: a. Create a histogram of the data and include a screenshot of it…

Q: 34.92, 35.5, 35.8, 36.1, 36.75, 37.12, 37.2, 37.3, 37.3, 37.5   Find the (a) mean, (b) median, (c)…

A:

Q: Find the (a) mean, (b) median, (c) mode, (d) midrange, (e) range, (f) variance, and (g) standard…

A: As per  our  guidelines  we are suppose to answer three sub parts. Given data is ,1, 1, 2 , 3 , 5 ,…

Q: find population variance for given data  12,89,77,56,95,42,63,8,5,99

A:

Q: What is the variance of the data set 14,23,9,12,18,8

A: Given Data :  XX 14 23 9 12 18 8 Below table will be used to calculate variance :…

Q: Find the median for the given data 16, 4, 7, 9 , 11, 27, 32, 44, 88

A: Answer: Given data is, 16, 4, 7, 9 , 11, 27, 32, 44, 88 Number of values = n = 9

Q: What is the relationship between the mean of a population and the mean of its sampling distribution?

A:

Q: What is the mean of the data set? 8, 11, 3, 10, 14, 4, 17, 9, 20, 15, 23, 28, 26, 3, 29, 2

A:

Q: Which is the line of best fit for the data shown in the table?

A:

Q: What is the median of the following data set:  34, 12, 18, 49, 26, 12

A: Given data is 34, 12, 18, 49, 26, 12. We have to fins the median of the given data. First of all we…

Q: removed

A:

Q: 10 Students in Statistical Analysis of 27 students receives assessment grades of 90, 87, 99, 79,…

A: Given data is 90,87,99,79,89,87,90,90,91,92sample size(n)=10let "x" denoted given data…

Q: What is the mean? What is the median?

A: Given: The observations are- 9,4,8,4,7

Q: Use the following table to answer Questions 11 – 14. The numbers represent the points scored in 20…

A: Frequency Distribution: In Statistical theory, a frequency distribution is a tabular, listed or…

Q: find population variance for given data  15,85,96,75,46,35,21,56,54,47

A:

Q: A researcher has collected the following sample data: 3, 5, 12, 3, 2. The mean of the sample is 5.…

A: Remark: We know that the range of a sample data is defined as the difference between the lowest and…

Q: Find the mean, median, mode, and also state which is the best represents the data of the following…

A: We have given that  The data are 11,20,14,41,34,25,14,15,28,33,24,40,34,42,33,34,11,14,22,24,25…

Q: What are the mean and variance for the below data 73,73,73,51

A: According to the given information in this question We need to find the value of mean and variance