nksRelative Frequency1.A histogram of the distribution of salaries of non-administrativepersonnel of acompany is given in the figure below.0.280.26 -0.24 -0.22 -0.2 -0.18 -0.16 -0.14 -0.12 -0.1-0.08-0.06 -0.040.02 -ОтEDFN 1090/1092Assignment #2XSalary29,500-30,50023,500&24,500 - 401501x106-34b. What percent of salaries exceed $26,500?Belf f/NSalacg2a500-30500X20 21 22 23 24 25 26 27 28 29 3021.500Salary (in Thousands of Dollars)13% of the salaries exceed 26,50028310-29500a. What percent of the salaries are between $23,500 and $24,500?en 123.50 and $24,500LRel. Frequency(Rel. f.).0691125.500= (30/100) *100=15%c. Assuming the histograms is based on 400 people, construct the frequencydistribution that corresponds to this histogram.1930-2012Frequency (f)55

Frequency Distribution TableSalaryRelative Frequency (Rel f)Frequency…

Answered: a. 1. A histogram of the distribution…

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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Quiz#2 1. Tabel : Frequency Distribution Interval Frequency 11 - 20 3 21 - 30 6 31 - 40 41 - 50 51 - 60 4 2 Calculate approximating of the mean and the standard deviation
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1. Percent frequency distributions for each of the key variables: number of items purchased, net sales, method of payment, gender, marital status, and age. [Show the distribution’s graph as well] 2. A sorted bar chart showing the number of customer purchases attributable to the method ofpayment. 3. A crosstabulation of type of customer (regular or promotional) versus net sales. Comment on any similarities of differences observed. 4.A scatter chart to explore the relationship between net sales and customer age. 5.A chart to examine whether the relationship between net sales and age depends on the marital status of the customer. 6.A side-by-side bar chart to examine the method of payment by customer type (regular or promotional). Comment on any differences you observe between the methods of payments used by the different types of customers.
↑ The table gives the distribution on annual salanes at a small company. Use the information in the table to answer the following a) Determine the mean annual salary b) Determine the median annual salary c) Determine the mode annual salary d) Determine the midrange annual salary e) Which do you believe is the best measure of central tendency for this set of data? Explain your answer a) The mean annual salary is (Type an integer or a decimal Round to the nearest dollar as needed) Annual Number Salary Receiving Salary $105,000 $50,000 $23,000 $22.000 $19.000 $18.000 204 6 3 19
Table 1 Wages (RM) Number of employees, f 250.00 – 259.99 8 260.00 - 269.99 10 270.00 – 279.99 16 280.00 – 289.99 14 290.00 - 299.99 10 300.00 – 309.99 310.00 – 319.99 Total - 65 1. Based on the Table 1 above, calculate a) Mean b) Standard deviation
1. Draw by hand or in Excel fully labelled curves on a common scale to represent two sets of scores where:a.Mean = 25, Standard Deviation = 4,Mean = 50, Standard Deviation = 4.b.Mean = 50, Standard Deviation = 2,Mean = 50, Standard Deviation = 5.
Listed below are the measured radiation absorption rates (in W/kg) corresponding to 11 cell phones. Use the given data to construct a boxplot and identify the 5-number summary. 1.49 0.79 0.72 1.25 0.85 0.84 1.13 0.68 1.43 0.51 1.18 Question content area bottom Part 1 The 5-number summary is enter your response here, enter your response here, enter your response here, enter your response here, and enter your response here, all in W/kg. (Use ascending order. Type integers or decimals. Do not round.)
TYPE I: FREQUENCY DISTRIBUTIONS AND GRAPHICAL TECHNIQUES 8. The National Safety Council reports the following age breakdown for licensed drivers in the India. Identify the following for the 35-under 45 class: Age (Years) Number of Deaths (Thousands) Under 15 40.01 15-under 25 33.08 25-under 35 41.38 35-under 45 91.01 45-under 55 172.21 55-under 65 253.73 65-under 75 424.11 75 or over 1391.99 (a) frequency, (b) upper and lower limits, (c) width, and (d) midpoint.
Which of the following statements is TRUE about the mean scores of the two sections? Descriptive Statistics Score Section A Section B Valid 45 45 Missing Mean 8.556 9.222 Std. Deviation 5.995 6.420 O a. Section B is more knowledgeable on the selected topic in Geometry than section A. b. Section B's mean score is higher than that of Section A's. O c. Section A's mean score is higher than that of Section B's. O d. Section A is more knowledgeable on the selected topic in Geometry than section B.
7. Female Pulse Rates Pulse rates of adult females are listed in Data Set 1 “Body Data” in Appendix B. The lowest pulse rate is 36 beats per minute, the mean of the listed pulse rates is x = 74.0 beats per minute, and their standard deviation is s = 12.5 beats per minute. a. What is the difference between the pulse rate of 36 beats per minute and the mean pulse rate of the females? b. How many standard deviations is that [the difference found in part (a)]? c. Convert the pulse rate of 36 beats per minutes to a z score. d. If we consider pulse rates that convert to z scores between - 2 and 2 to be neither significantly low nor significantly high, is the pulse rate of 36 beats per minute significant?
130 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 16 0.1231 16 1 21 0.1615 37 2 17 0.1308 54 3 15 4 15 0.1154 84 5 14 0.1077 98 6 16 0.1231 114 7 0.1231 130 a. Complete the table (Use 4 decimal places when applicable) b. What is the cumulative relative frequency for flossing 5 times per week? %
130 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 0 Frequency Relative Frequency 17 19 17 19 9 15 0.1308 0.1462 0.1308 Cumulative Frequency 1 2 3 4 5 6 7 19 a. Complete the table (Use 4 decimal places when applicable) b. What is the cumulative relative frequency for flossing 4 times per week? 0.0692 0.1154 0.1154 0.1462 17 36 53 81 96 111 130 %

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