Use the data in the table toSalary (in Pesos)No. of Employees (f)compute the followingPercentiles and Deciles29 000 – 31 999226 000 – 28 99923 000 – 25 9991. P752. P953. D44. D620 000 – 22 999717 000 – 19 9991014 000 – 16 9991811 000 – 13 9996.8 000 – 10 9995 000 – 7 9993N = 60

A decile is a numerical method of dividing a set of ranked data into ten equal-sized subsections.A…

Answered: Use the data in the table to Salary (in…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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EX 3: find The RANGE, VARIANCE, AND STANDARD DEVIATION for data in table 3.3. Table 3.3 Age Frequency 5-14 750 15-24 2005 25-34 1950 35-44 195 45-54 100
Find the mean for the following data: Student Age (years) Number of Students 18 - 20 230 21 - 23 152 24 - 26 74 27 - 29 43 30 - 32 11 mean = Round your answer to two decimal places as needed.
The following illustrates descriptive statistics, EXCEPT Ken presented their monthly sales for six months using a line graph. O Ninety percent of the respondents are female. O Lea ranks the students' scores in Statistics. O Based on the result of the survey, brand X is better than brand Y in curing a certain discase.
The plot below displays the distribution of the percent of days spent sleeping by male fruit flies. Which of the following are valid estimates of the mean and median of this distribution? Male Fruit Flies 35 30 25 20 Percent 15 10 5 0 T T T T 20 40 60 Percent of day spent sleeping a. mean = 24, median = 18 b. mean = 18, median = 24 c. mean = 18, median = 18 d. mean = 20, median = 40 e. mean = 25, median = 35 80
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The graph below shows a line of best fit for data collected on the amount of time teenagers spend on the computer and watching television. TV Time vs. Computer Time 360 300 240 180• 120 60 60 120 180 240 300 360 Time Spent on Computer (in minutes) Based on the line of best fit, how much time does a teenager spend watching television if they spend 360 minutes on the computer? O A. 60 minutes OB. 45 minutes OC. 15 minutes D. 30 minutes Time Spent Watching TV (in minutes)
A study was done to look at the relationship between number of vacation days employees take each year and the number of sick days they take each year. The results of the survey are shown below. Vacation Days 2 7 0 3 2 9 15 3 8 0 11 Sick Days 10 3 6 5 4 5 0 4 2 11 0 r2r2 = (Round to two decimal places)
A farmer in Indiana wants to examine the relation between the number of very hot days (days when the high temperature exceeds 95° F) and the corn production of his farm (in bushels of corn per acre). He looks at the data for 10 summers. Let x¡ = the number of hot days during the ith summer. %3D = the corn production (in bushels per acre) during the ih summer. Let yi The data are in the table below:. 4 6. 7 8. 9. 10 i 2 14 10 7. 8. 1 12 Xi Yi 95 80 83 87 88 85 99 102 79 95 a) Make a scatterplot of the data. b) Examine your scatterplot and, without performing any calculations, EXPLAIN whether you expect the correlation coefficient to be closer to -1, 0, or 1 and WHY. c) Find the sample mean and standard deviation for each variable. %3D %3D S. %3D y d) Place an asterisk on your scatterplot at the point (x,ỹ).
From the data given below compute quantity index for 1983 Price in 1982 (Rs.) 10 20 30 30 Quantity in 1982 100 150 200 150 Commodity 1983 150 200 250 200 ABCD
What is true about the range? a. All values are used in its calculation. b. Only two values are used in its calculation. c. It can be used for nominal data. d. It is in different units than the mean.
Please answer all sub-parts A doctor wanted to determine whether there is a relation between a male’s age and his HDL (so-called good cholesterol). He randomly selected 9 of his patients and determined their HDL cholesterol. The data is reported in the table below: Age (Yrs) HDL (?μmol/L) 38 57 42 54 46 34 32 56 55 35 52 40 61 42 61 38 26 47 a) Compute the regression equation for HDL as a function of age. b)Interpret the meaning of the regression parameters. c) Compute r and r2. Interpret these statistics. d) What is your opinion of the usefulness of using age as a predictor of HDL?
What are percentiles useful for a. showing frequency b.comparing values c. showing concentration

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