Given the sample data23 17 15 30 27(a) Find the range15(b) Verify that Ex-112 and ²-2,672.2x² -(c) Use the results of part (b) and appropriate computation formulas to compute the sample variances and sample standard deviations. (Round your answers to two decimalplaces)2.(4) Use the defining formules to compute the sample variances and sample standard deviations (Round your answers to two decimal places)Le Suppose the given data comprise the entire population of all x values. Compute the population variance al and population standard deviation (Round your answers totwo decimal places)JNeed Help?RedwwwMa

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Answered: Given the sample data 23 17 15 30 27…

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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1- If marks of 20 students in one class out of 100 were as the following (Screen shot of tables, figures, and Excel file are required): 62 95 47 57 29 45 74 51 39 70 54 43 73 35 54 20 85 49 a. Find the mean, median and standard deviation of these marks. b. Construct the frequency table using interval width of 10 marks. c. Create a histogram chart (Present data in a method that can be understood by a non- technical audience). d. Find the probability of each age interval and represent that using histogram (Present data in a method that can be understood by a non- technical audience). e. From the graph in part d, find the probability that student get a grade of 70 or less and show how you find that on the figure. 6532
I need assistance with D and E Only. Given the sample data. x: 23, 17, 15, 32, 27 (a) Find the range. (Enter an exact number.) (b) Verify that Σx = 114 and Σx2 = 2,796. (For each answer, enter an exact number.)Σx = Σx2 = (c) Use the results of part (b) and appropriate computation formulas to compute the sample variance s2 and sample standard deviation s. (For each answer, enter a number. Round your answers to two decimal places.)s2 = s = (d) Use the defining formulas to compute the sample variance s2 and sample standard deviation s. (For each answer, enter a number. Round your answers to two decimal places.)s2 = s = (e) Suppose the given data comprise the entire population of all x values. Compute the population variance σ2 and population standard deviation σ. (For each answer, enter a number. Round your answers to two decimal places.)σ2 = σ =
15. Research results suggest that IQ scores for boys Plomin, 2006). A typical study looking at 10-year-old are more variable than IQ scores for girls (Arden & size would be reported in a journal article. children classifies participants by gender and by low. average, or high IQ. Following are representing the research results. Do the data indicate a significant difference between the frequency distri- butions for males and females? Test at the .05 level of significance and describe the difference. hypothetical data 1 IQ Low Average High Вoys 18 42 20 80 Girls 12 54 14 80 n = 160 Int Ava
1. Kindly help me to answer this problem with complete solution. Thank you’
Q.: For the data given in the following frequency distribution table, compute if the nearest error in the data is 1: (a) mean deviation (b) Median (c) Mode (d) Range (e) Variance (f) Standard deviation Classes 150-1 168 - 186- 195 204-213- - 58 Frequency 5 20 20 15 3 1 159-1 67 15 177- 21
A random sample of five observations from three normally distributed populations produced the following data: (You may find it useful to reference the F table.) (table is the screenshot picture) a. Calculate the grand mean. (Round intermediate calculations to at least 4 decimal places and final answer to 4 decimal places.) b. Calculate SSTR and MSTR. (Round intermediate calculations to at least 4 decimal places and final answers to 4 decimal places.) c. Calculate SSE and MSE. (Round intermediate calculations to at least 4 decimal places and final answers to 4 decimal places.) d. Specify the competing hypotheses in order to determine whether some differences exist between the population means. _H0: μA = μB = μC; HA: Not all population means are equal. _H0: μA ≤ μB ≤ μC; HA: Not all population means are equal. _H0: μA ≥ μB ≥ μC; HA: Not all population means are equal. e-1. Calculate the value of the F(df1, df2) test statistic. (Round intermediate calculations to at least 4 decimal…
Answer D
Pls answer it all with solutioms in each number
An analysis of variance produces SS total=90 and SS within=40 For this analysis what is SS between? 50 130 3600 Cannot be determined without additional information
We rolled the dice twenty times and wrote down the results: 6 336 356146 3 55 2 2 2 2 3 2 3 a) Detraine the arithmetic mean, mode and median of the sample. Determine the variance and standard deviation of the sample. c) Determine he range of the sample. A Determine the lower and upper quartiles of the sample. Draw box plot.

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