From the figure below, what is (approximately) the most likely value for thefrequency of the mean size class of the smallest cohort?00908070605050Frequency004030202010012151821242730Size Class (mm)Frequency (per m²) of size classes of cockles (Cerastoderma edule) foundBetween 45-50AAbove 9012mm26mm

The frequency chart of size classes of cockles:The most likely value for the frequency of the mean…

Answered: From the figure below, what is…

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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We asked UST employees to tell us how many megabytes of memory (RAM) they have on their computer. WWe would like to test to see if the mean amount of memory is the same for three different academic departments. We have the memory amounts for six faculty members' machines in the three departments shown below. Dept. 1 Dept. 2 Dept. 3 1 2048 4096 4096 2 2048 2048 4096 3. 2048 2048 8192 computer 4 2048 4096 8192 2048 2048 4096 6. 2048 8192 4096 Here is the ANOVA table: Analysis of Variance Source DF Adj SS Adj MS F-Value P-Value Factor 34952533 17476267 XXX 0.020 Error XX 51030699 3402047 Total XX 85983232 Calculate the value of the F test statistic and enter here:
The table below shows the distribution of weight of a certain type of fruit. weight frequency <10 4 <15 3 <20 23 <25 54 <30 16 <35 9 <40 7 <45 4 1) Draw the histogram of the data and use it to estimate the model weight. 2) calculate mean, median and interquartile range.
Make reference to the table below to answer the question that follows: Summary of number of times the child has been placed previously Mean Std. Dev. Freq. physically attacked people never sometimes often Total Source Between groups Within groups 5.5803571 5.9557503 8.7636364 8.7938607 9.8571429 7.8631146 Total 6.9893617 7.2826725 L₂² Analysis of Variance SS df MS 112 55 21 188 F 568.203236 2 284.101618 9349.77549 185 50.539327 9917.97872 187 53.0373194 Bartlett's test for equal variances: chi2(2) = 12.1506 Prob-chi2= 0.002 5.62 Prob > F Does this test violate the assumption of equal variances? 0.0043 O Yes, we are in violation of the assumption of equal variances because p= .002 for Bartlett's test O Yes, we are in violation of the assumption of equal variances because p= .0043 for the difference of means test O No, we are not in violation of the assumption of equal variances because .0043 for the difference of means test No, we are not in violation of the assumption of equal…
Listed below are the numbers of hurricanes that occurred in each year in a certain region. The data are listed in order by year. Find the range, variance, and standard deviation for the given sample data. Include appropriate units in the results. What important feature of the data is not revealed by any of the measures of variation? 17111091893922282017
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8235#/full Pork... EmblemHealth Fin... ACCESS HRA - ACC... Account Link - ACC.. The mean score on this test is: 6.06 The median score on this test is: 6 Add Work Question 2 Find the five-number summary for the following data set. 87 84 89 88 89 81 82 89 88 84 Min Q1 Median Q3 Max 81 82 887.5 88 89 Add Work Question 3 The boxplots below shows salaries for Construction workers and Teachers Construction Teacher
110 adults with gum disease were asked the number of times per week they used to floss before their diagnoses. The (incomplete) results are shown below: # of times floss per week Frequency 0 1 15 2 3 4 5 6 7 5 Relative Frequency 0.1364 0.0454 12 13 14 18 14 19 a. Complete the table (Use 4 decimal places when applicable) 0.1091 0.1182 0.1273 0.1636 0.1273 0.1727 X Cumulative Frequency 32 15 20 45 59 77 91 110
The weekly wages (to the nearest K) of the production line workers in small factory is shown in the table below: Weekly wage (K) Number of workers 16 – 25 5 26 – 35 16 36 – 45 14 46 – 55 22 56 – 65 26 66 – 75 14 i. Calculate the estimate of the mean wage ii. Find an estimate for the median wage iii. Find an estimate for the modal wage iv. Find an estimate for the quartile deviation wage v. Compute the coefficient of variation
110 adults with gum disease were asked the number of times per week they used to floss before their diagnoses. The (incomplete) results are shown below: # of times floss per week Frequency Relative Frequency Cumulative Frequency 0 23 0.2091 1 0.0818 32 2 4 0.0364 36 3 16 52 4 15 0.1364 67 5 13 0.1182 80 6 13 0.1182 93 7 17 0.1545 110 a. Complete the table (Use 4 decimal places when applicable) b. What is the cumulative relative frequency for flossing 5 times per week? %
The marital status distribution of the U.S male population, age 15 and older, is as shown below in first column. Suppose that a random sample of 400 U.Syound adult males, 18-38 years old, yielded the following frequency distribution . We are interested in whether this age group of males fits the distribution of the U.S adult population. marital status expected frequency observed frequency never marreid 31.3 140 marreid 56.1 238 widowed 2.5 2 divorced/seperated 10.1 20 total 100 400 Choose the correct calculation
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