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Consider the data below:
17, 11, 10, 13, 1, 6, 18, 21, 8, 5
- Compute the variance
- Compute the standard deviation
- Compute the coefficient of variation
Step by step
Solved in 2 steps with 2 images
- Using the data below (assume the data comes from a population) 5,8,14,6,21,11,9,10,18,2 A. Calculate the three measures of central tendency B. Calculate the standard deviation of the data and what the variance is C. Draw a box plot D. Using the IQR X 1.5(Interquartile Range), Can you identify any outliers in the data?Question: A company conducted a survey to gather data on the ages of its employees. The collected data are as follows: 25, 28, 30, 35, 38, 40, 42, 45, 48, 50. Calculate the range, variance, and standard deviation of the ages.Calculate the range, variance , and stanard deviation for the following a.4,2,1,0,1 b.1,6,2,2,3,0,3 c.8,-2,1,3,5,4,4,1,3 d.0,2,0,0,-1,1,-2,1,0,-1,0,-3,-2,-1,0,1
- Find the range, variance and standard deviation of the ff 10, 17, 15, 20, 13, 11, 19, 12, 14, 16 Excel form need3. Complete the first 3 columns of the table below. Values Deviations Square deviations X - X X (X-X)² Standard (z) scores X - X S Z= a. Compute the sample variance and sample standard deviation by definition. b. Fill in the last column of the table c. Compute the coefficient of variation.DESCRIPTIVE STATISTICS: The scores of a test for an engincering class of 10 students is shown here. Scores: 57, 94, 81, 77, 66, 97, 62, 86, 77,87 Consider ungrouped data: What is the mean, median. mode. variance and standard deviation?
- Consider the following sample data. Sample A: 5, 8, 11 Sample B: 64, 67, 70 Sample C: 1,015; 1,018; 1,021 (a) Find the mean and standard deviation for each sample. (b) What does this exercise show about the standard deviation? multiple choice The idea is to illustrate that the standard deviation is not a function of the value of the mean. The idea is to illustrate that the standard deviation is a function of the value of the mean.The ages (in years) of a random sample of shoppers at a gaming store are shown. Determine the range, mean, variance, and standard deviation of the sample data set. 12, 20, 23, 14, 18, 18, 19, 18, 15, 19 1) The range is ______ 2) The mean is ______ 3) The variance is ________complete the table compute the mean and variance compute the mode and median compute P50,Q2 and compare between them is it symmetric or skewness and why
- Which of the data sets shown below has the smallest standard deviation? 0, 1, 2, 3, 4, 5, 6 0, 0, 0, 100, 500, 500, 500 0, 25, 50, 100, 125, 500, 1000 |0, 1, 5, 5, 5, 5, 6 What is the value for the IQR of the data shown in the boxplot below? 1 2 3 9 10 11 12 13 14 7 8 data 4 53. Complete the first 3 columns of the table below. Values Deviations Square deviations X X - X (X-X)² Standard (z) scores X-X Z = a. Compute the sample variance and sample standard deviation by definition. b. Fill in the last column of the table c. Compute the coefficient of variation.
