Show that the following equalities hold:a) Population varlance:b) Sample variance:n-1n-1n-1c) Sum of differences from the population mean:E -4) = 0If the standard deviation of a population is zero, what can you say about themembers of tnat population? Explain., The following scores represent the final examination grade for an elementarystatistics course:245980315875557585377978809642669382567554113965767924678499806870845776896175426179a) Construct a stem-and-leaf plot for the examination grades (Hint: Use 10 as stem units, 1 asleaf units.)b) Calculate relative frequencies.c) Construct a relative frequency histogram; draw an estimate of the graph of the distribution anddiscuss the skewness of the distribution.d) Compute the sample mean, sample median, and sample standard deviation.

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Answered: Show that the following equalities…

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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Listed below are the amounts (dollars) it costs for marriage proposal packages at different baseball stadiums. Find the range, variance, and standard deviation for the given sample data. Include appropriate units in the results. Are there any outliers, and are they likely to have much of an effect on the measures of variation? 38 50 50 60 60 95 95 145 180 219 255 375 500 2000 3000 The range of the sample data is (Type an integer or a decimal. Do not round.)
Dro 9. ed below are the amounts (dollars) it costs for marriage proposal packages at different baseball stadiums. Find the range, variance, and standard deviation for the agiven sample data, Include appropriate units in the results. Are there any outliers, and are they likely to have much of an effect on the measures of variation? 37 50 50 65 65 85 95 170 185 220 260 350 500 1750 2500 The range of the sample data is (1)- (Type an integer or a decimal. Do not round.) The standard deviation of the sample data is (Round to one decímal place as needed.) (2) – The variance of the sample data is (3) (Round to one decimal place as needed.) Are there any outliers and, if so, are they likely to have much of an effect on the measures of variation? O A. Yes, the smallest amounts are much lower than the rest of the data, and appear to be outliers. It is not likely that these are having a large effect on the measures of variation. O B. No, there are not any outliers. O C. Yes, the largest amounts…
Listed below are the amounts (dollars) it costs for marriage proposal packages at different baseball stadiums. Find the range, variance, and standard deviation for the given sample data. Include appropriate units in the results. Are there any outliers, and are they likely to have much of an effect on the measures of variation? 36 50 50 65 70 75 95 145 175 219 265 350 400 2000 2500 The range of the sample data is (Type an integer or a decimal. Do not dollars?. stadiums. stadiums?. marriages. dollars. marriages?.
Listed below are the amounts (dollars) it costs for marriage proposal packages at different baseball stadiums. Find the range, variance, and standard deviation for the given sample data. Include appropriate units in the results. Are there any outliers, and are they likely to have much of an effect on the measures of variation? 39 50 50 65 65 85 95 160 190 205 270 350 450 2000 3000 The range of the sample data is enter your response here ▼ dollars.dollars. marriages squared .marriages2. marriages.marriages. stadiums.stadiums. stadiums squared .stadiums2. dollars squared .dollars2. (Type an integer or a decimal. Do not round.) The standard deviation of the sample data is enter your response here ▼ marriages.marriages. marriages squared .marriages2. stadiums.stadiums. dollars squared .dollars2. stadiums squared .stadiums2. dollars.dollars. (Round to one decimal place as needed.) The variance of the…
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?
It is not essential to know the value of the population variances to test for the equality of two variances from independent samples. O a. True O b. False
Consider the following data: −10, −10, 0, 3, −10, 3, 3 Step 1 of 3: Calculate the value of the sample Variance. Round your answer to one decimal place. Step 2 of 3: Calculate the value of the sample deviation. Round your answer to one decimal place. Step 3 of 3: Calculate the value of the range.
1-) For the following data, please compute: X= [1 ,2, 2, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 6, 6, 6, 7, 7, ,8 ,9] A) Arithmetic mean, mode, median, and standard deviation. B) plot the histogram or ogive
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