Find the standard deviation, s, of sample data summarized in the frequency distribution table below by using the formula below, where x represents the class midpoint,f represents the class frequency, and n represents the total number of sample values. Also, compare the computed standard deviation to the standard deviationobtained from the original list of data values, 11.1.S=n(n - 1)Interval30-3940-4950-5960-6970-7980-8990-99Frequency13315313711.1?O A. The computed value is not significantly different from the given value.O B. The computed value is significantly less than the given value.OC. The computed value is significantly greater than the given value.Help me solve thisView an exampleGet more help -Clear allFinal check

Given: Interval Frequency 30-39 1 40-49 3 50-59 8 60-69 3 70-79 15 80-89 31 90-99…

Answered: Find the standard deviation, s, of…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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The mean and standard deviation marks of 4 different classes of the same grade are recorded in the table below. Mean mark Standard deviation Class 1 Class 2 Class 3 83 9 78 5 71 14 Class 4 64 5 Using the coefficient of variation, determine which class has marks that more spread out about the mean. A. Class 1 B. Class 2 C. Class 3 D. Class 4
What technique compares dispersion with the average of data? Select one: a. Standard deviation b. Process capability c. Variance d. Coefficient of variation
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Please find the range, sample standard deviation and inter-quartile range (IQR) of the following data set. 25 37 39 56 61 71 73 73 80 85 range = (Please enter an exact answer.) standard deviation (ss) = (Please show your answer to one decimal place.) IQR = (Please enter an exact answer.)A new number, 180, is added to the data set above. Please find the new range, sample standard deviation and IQR of the new data set.range = (Please enter an exact answer.) standard deviation = (Please show your answer to one decimal place.) IQR = (Please enter an exact answer.)Which measure of spread is less affected by the addition of the extreme observation? Range standard deviation IQR
Consider the following data set. You may assume that the mean of this data set is x¯ = 7. 8 10 3 5 7 5 11 a) Find the range of the data set. b) Find the standard deviation of the data set. c) How many of the seven data points lie within one standard deviation of the mean?
For Table 4, determine the following point estimates: 7. The mathematical expectation. 8. the variance. 9. the root mean square deviation 10. the correlation coefficient between X and Y. Table 4 is in the attached image. Thank you
Step 3 In order to use the defining formula for sample standard deviation, it is helpful to first calculate (x – x)² for each data value in the data set 1, 6, 7, 8, 9. Use the values in the data set and the previously determined mean, x = 6.2, to complete the following table. 7 8 6.2 6.2 6.2 6.2 6.2 х — х -5.2 0.8 2.8 (x – x)² 27.04 0.04 3.24 Submit Skip (you cannot come back)
The measure of dispersion that is influenced most by extreme values is Select one: a. the interquartile range b. the variance c. the standard deviation d. the range

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Interval	Frequency
30-39	1
40-49	3
50-59	8
60-69	3
70-79	15
80-89	31
90-99	37