Consider the following population of 10 members;20 25 13 19 9 5 11 7 17 30Find the population mean.a) One sample of nine members was selected, calculate the sample mean and the sampling error(20 25 13 9 15 11 7 17 and 30)b)Assuming a wrong entry of 7.7 was made instead of 7 for this sample, calculate the non-samplingerror.

Population is whole observations involved in the study. Sample is the part of population. While…

Answered: Consider the following population of 10…

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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Below are the results of the final exam that a class took from the statistics course, in branch-leaf representation. For unclassified data given in the table a) Calculate the arithmetic mean, mode and median values. b) Find the quarter values of Q1 and Qa. c) Calculate the population variance and standard deviation values. d) Make the box drawing.
Find the mean and median for each of the two samples, then compare the two sets of results. )A comparison is made between summer electric bills of those who have central air and those who have window units. May June July Aug Sept $65 Central $32 $59 $80 $90 Window $15 $86 $99 $120 $40 a) Central Mean b) Central Median c) Window Mean d) Window Median e) In your own words, compare the 2 electric bills of those who have central air to those who have window units. f) Explain how you found the Window Mean. g) Explain how you found the Window Median.
The lengths (in kilometers) of a random sample of 18 rivers on the South Island of New Zealand that flow to the Pacific Ocean are listed in table below. Lengths of Rivers (in km) 136 121 322 209 208 98 160 66 97 56 90 48 167 64 72 93 288 138 For the data shown above, find the following. Do not round any of your answers. The program here will take either answer.a) Find the 5-number summary: { ,,,, } b) Compute the IQR. Put your answer in the first box and the correct units in the second box. c) What is the lower fence for this data set? What is the upper fence for this data set? d) Which of the following is the correct modified boxplot for the data? What units would go on each of your answers above?
Consider a sample with data values of 27, 26, 20, 15, 30, 34, 27, and 25. Show the boxplot for the data. O لمسلسل 15 17 19 21 23 25 27 29 31 33 15 20 25 30 1 35 40 10 15 20 30 15 20 25 30
From a Population consisting of following values of 2,2,4,4 and 8, how many samples of size two can be drawn ? Select one: a.12 b.10 c.13 d.9 e.11
Consider a sample with data values of 10, 45, 60, 85, 90. Compute the IQR. Select one: О а. 90 O b. 45 О с. 60 O d. 10 Ое. 85 O f. 40
Another type of painted ceramic vessel is called three-circle red-on-white ( Mimbres Mogollon Archaeology). At four different sites in the Wind Mountain archaeological region, the number of such sherds was counted in local dwelling excavations. Site I Site II Site III Site IV 14 17 32 13 27 2 23 20 6 38 14 11 19 1. 44 33 18 29 16 10 17 Shall we reject or not reject the claim that there is no difference in the population mean three-circle red-on-white sherd counts for the four sites? Use a 10% level of significance. (a) What is the level of significance? State the null and alternate hypotheses. O Ho: H1 = H2 = H3 = H4i H1: Exactly three means are equal. O H.: H1 = H2 = H3 = Hại H,: Not all the means are equal. O H,: H1 = H2 = H3 = Ha; H;: All four means are different. O H.: H1 = H2 = H3 = Hại H: Exactly two means are equal. (b) Find SSTOT SSBET, and SSw and check that SSTOT = SS BET + sSw. (Use 3 decimal places.) SSTOT= SSBET = SSw=l Find d.f. BET, d.f. w, MSBET, and MSw. (Use 3 decimal…
3. The following data are the number of burglaries reported for a specific year for fifteen Metro Manila universities: 30, 18, 3, 7, 61, 11, 1, 3, 2, 12, 15, 11, 13, 14, 11 a. Mean b. Median c. Mode
Consider a sample with data values of 10, 45, 60, 85, 90. Compute the IQR. Select one: О а. 90 ОБ. 10 О с. 60 O d. 45 O e. 85 O f. 40
Find the mean of the data summarized in the given frequency distribution. 12) The highway speeds of 100 cars are summarized in the frequency distribution below. Find the mean speed. Speed (mph) Cars 30-39 4 40-49 19 50-59 50 60-69 15 70-79 12 A) 61.3 mph B) 58.5 mph C) 55.7 mph D) 54.5 mph I said, D, and it is wrong.
20)
For 20 consecutive weeks, a store owner recorded a sample number of customers each week as follows: 300 400 324 326 327 329 415 362 321 375392 383 345 391 395 400 362 396 420 430 Compute for the following:a. Medianb. Sample Variancec. Skewness Coefficient (Use Pearson’s Second Coefficient)

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