Consider the following production data.6/16/26/36/46/56/66/76/86/96/106/116/12What is the value of nt for this data set?First Shift (7 AM-3 PM)189181183164145146185170149186178144Items ProducedSecond Shift (3 PM-11 PM)170192201173197166198206164210197182Copy DataThird Shift (11 PM-7 AM)118106931271287611399145887579

The table related to the items produced in three different shifts is given.It is needed to find the…

Answered: Consider the following production data.…

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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The table below contains real data for the first two decades of AIDS reporting. Year # AIDS cases diagnosed # AIDS deaths Pre-1981 91 29 1981 319 121 1982 1,170 453 1983 3,076 1,482 1984 6,240 3,466 1985 11,776 6,878 1986 19,032 11,987 1987 28,564 16,162 1988 35,447 20,868 1989 42,674 27,591 1990 48,634 31,335 1991 59,660 36,560 1992 78,530 41,055 1993 78,834 44,730 1994 71,874 49,095 1995 68,505 49,456 1996 59,347 38,510 1997 47,149 20,736 1998 38,393 19,005 1999 25,174 18,454 2000 25,522 17,347 2001 25,643 17,402 2002 26,464 16,371 Total 802,118 489,093 Graph "year" versus "# AIDS cases diagnosed" (plot the scatter plot). Do not include pre-1981 data. Perform linear regression. Write the equations. (Round your answers to the nearest whole number. Round r to four decimal places.) (a) Linear Equation: 9 - (b) a = (c) b= (d) (e) n-
A random sample of 30 male college students was selected, and their heights were measured. The heights (in inches) are given below. 72 67 68 68 73 70 70 70 73 66 72 67 73 67 73 70 66 70 68 71 69 70 70 67 72 73 66 67 73 73 (a) Complete the frequency distribution for the data. Make sure to enter your answers for the relative frequency as decimals, rounded to the nearest tenth. Height Frequency Relative Frequency 66 67 68 69 70 71 72 73 74
The following frequency histogram gives the ages of 20 people in the statistics class including the teacher who is 50 years old. Use this histogram to answer the questions below. 8 7 6 4 3 2 1 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
The following scatterplot and table represent the mean monthly temperature and rainfall of a coastal city over a period of 10 months. 325 300 275 250 225 200 rainfall (mm) 175 150 100 75 50 25 Temp 18 (°C) Rainfall 45 (mm) 15 X 10" 11" 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Temperature "C 20 19 Mean monthly temperature and rainfall 50 25 22 24 X 115 65 X 28 26 27 29 100 300 190 175 200 2.1 Determine the equation of the least squares regression line. 2.2 Identify the outlier. 2.3 Sketch the equation of the regression line on the DIAGRAM provided at the end of your paper. 2.4 Determine the value of the correlation coefficient and comment on the relationship between the mean temperature and the mean rainfall. 2.5 If the mean temperature recorded for a certain month is 14°C, calculate the mean rainfall for that month. How reliable is your answer? Explain and motivate your answer.
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Q1: Complete the following frequency table: Production In liters Number Farmer ? center Category ? Repetition Cumulative ?. ? 149 -100 5 199 -150 5 249 -200 8 299 -250 4 349 -300 2 Total 24 Calculate the mean, median and mode, then calculate the coefficient of variation. Examples data by the recurring curve method. Question2: The question measures the mental skills that the student acquired (c1) If you know that it is the lengths of a group of students, it follows a normal distribution with an arithmetic mean of 170 cm and a deflection 5 cm standard, one of the guys was randomly selected (X) Find from the following using the Z tables: P (X< 174) P (X≥ 185) P (179 ≤ X ≤ 182) Q3: This question measures the applied skills of the student (b1) Explain the relationship between the two variables. Find the equation of the yield…
Frequency 344.7 389.1 394.3 411.8 412.1 431.9 433.5 445 447.4 452.3 465.4 466 469.2 469.2 469.2 469.8 470.6 471.7 471.8 474.9 483 483.1 485 490.4 494.8 495.8 496.8 496.8 500 506.8 512.5 516.6 520.1 520.4 524.8 534.8 545.3 547.4 558.1 556.4 558.1 558.1 580.6 564.4 572.4 577.4 585 586.2 587.8 588.2 593.8 606.1 607.8 611.4 = 18 16 14 12 10 8 6 4 2 300 350 400 450 500 Find the first quartile for this data set. Q₁ length (cm) = 550 600 650 Find the third quartile for this data set. Q3² = Find the interquartile range for this data set. IQR = = Find the lower fence separating outliers from usual values. Fence Low Find the upper fence separating outliers from usual values. Fence high
Question 8 Question 8 options: Range of Data set 48, 26, 33, 50, 42
A psychologist believed that as children get older, they engage in more “inactive activities” such as playing computer games, watching TV and surfing the internet. She collected data from 10 children. She recorded the age of each child and the amount of activity (in hours) the child engaged in per week. Age Activity 7 4.3 9 3.2 10 1 13 1.5 12 1.2 15 0.8 9 3 12 4 15 1.5 14 1.9 Using excel, obtain a scatterplot of the data. Discuss the relationship between age and activity based on the scatterplot. Using excel, obtain the simple linear regression linear regression line predicting activity from age. Interpret the intercept and slope of the regression line. By hand, predict the amount of activity for age = 14. By hand, calculate the residual for age = 14 Using excel output, test the null hypothesis that the slope coefficient is zero using the p-value approach. Write one sentence interpreting the meaning of this result. Make sure to report the test statistic…
Calculate the arifhmetic mean of the following data : 90-80 80-70 70–60 | 60–50 50-40 | 40-30 30-20 10 X : 110-100 100-90 20-10 10-0 4 8 16 16 24 18 14 4
2-8. You are given the following data: 10 6 4 9 5 5 5 7 2 5 5 5 4 5 7 7 8 8 4 7 5 5 5 7 8 7 7 5 4 4 7 4 7 7 6. 8 6. 5 7 6 4 4 d. Develop a relative frequency histogram. e. Compare the two histograms. Why do they look alike? 499 448 n4 6 673

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