For the following data: (sorted)
3 4 5 8 8 10 12 12 20 22
a) Calculate
1) Average or average
6) The Range
2) The median
7) The Intercuartilico range
3) Fashion
8) Variance
4) The middle range
9) Standard deviation
5) The middle axis
10) the coefficient of variation
B. Prepare a Graphic Box Plot (Box and Wisker)
C. Determine border values or near atypical numbers
(outliers)
D) answer whether or not there are atypical numbers. What are
they?
Determine how many standard deviations are number 8 of your
average.
f) If the standard deviation was to be estimated, what would be
your estimate?
g) According to the Tchevyshev theorem between which pair of values
must be at least 75% of the data.
For the following data: (sorted) 3 4 5 8 8 10 12 12 20 22 a) Calculate 1) Average or average 6) The Range 2) The median...
The following set of data is from a sample of n=6. 8 2 7 8 10 11 a. Compute the mean, median, and mode. b. Compute the range, variance, standard deviation, and coefficient of variation. c. Compute the Z scores. Are there any outliers? d. Describe the shape of the data set.
Matching.. 1 correlation 2.covariance 3. deviation 4.mean 5. median 6. mode 7. range 8. residual 9. sample size 10. standard deviation 11. standard error 12. Variance a. the difference between an observed value and the ,ean of the set of valies is a quantifies the direction and stregnth of a linear relationship between two quantitive variables is the average of the squared deviations of a dataset c. the d.of the three measures of central tendency, the___is affected the most by...
Data Set: 6, 1, 4, 2, 3, 4, 6, 8, 9 a. Calculate the mean, median, mode, range, variance and standard deviation (using either formula). b. Compare the two groups in terms of central tendency and variability. What conclusions can you draw from the data in regards to average number of time a student posted, variability of postings, etc?
20. Calculate the range, variance, and standard deviation of the following data set:5, 5, 6, 6, 6, 8, 8, 8, 8, 10, 10, 11, 12, 12, 20(Points: 5) Range = 15; Variance = 225; Standard Deviation = 7.5 Range = 3.85; Variance = 14; Standard Deviation = 3.74 Range = 20; Variance = 15; Standard Deviation = 4 Range = 15; Variance = 14.82; Standard Deviation = 3.85
The following is a set of data from a sample of n=5. 8 -4 -8 8 2 Please use a statistical application (data Analysis Toolpak for Windows, StatPlus for Mac Excel, or StatCrunch) to compute the descriptive statistics in a and b. (If you don't know what I'm talking about, go to Module 1 Content - Read/View - Tutorials) a. Compute the mean, median, and mode. b. Compute the range, sample variance, and sample standard deviation c. Compute the coefficient...
(2) Consider the sample: 9, 6. 7, 9, 10, 8 a) Find: the mean, the median, the mode b) Find: the range, the quartiles Q1, Q3, the variance, the standard deviation c) Draw a box-plot for the given data set.
Consider the sample: 9, 6, 7, 9, 10, 8 a) Find : the mean, the median, the mode b) Find : the range, the quartiles Q1, Q3, the variance, the standard deviation. c) Draw a box-plot for the given data set.
8. In a perfectly symmetrical distribution a) the range equals the interquartile range. b) the interquartile range equals the arithmetic mean. c) the median equals the arithmetic mean. d) the variance equals the standard deviation 9. According to the empirical rule, if the data forma "bell-shaped" normal distribution, perce of the observations will be contained within 2 standard deviations around the arithmetic mean.. 68.26 88.89 93.75 a) 95.44 10. Which of the following is NOT sensitive to extreme values? A...
1. Please use this dataset to answer the following questions: 4, 3, 6, 5, 3, 2, 4, 5, 7, 6, 3, 4, 6, 6, 1, 7, 8, 8, 23, 4, 0, 2, 6, 9, 6, 1, 5, 7, 4, 5 (1) Please calculate mean, median and mode. (2) Please calculate sample standard deviation. (3) According to your answer in part (2), please explain why sample standard deviation can never be negative. (4) Please calculate first quartile, second quartile, and third...