Would enjoy the help; The table below lists the populations (according to the 2000U.S. Census) of all 23 counties in Wyoming.countypopulationAlbany32014Big Horn11461Campbell33698Carbon15639Converse12052Crook5887Fremont35804Goshen12538Hot Springs4882Johnson7075Laramie81607Lincoln14573Natrona66533Niobrara2407Park25786Platte8807Sheridan26560Sublette5920Sweetwater37613Teton18251Uinta19742Washakie8289Weston6644Compute each of the following summary statistics. Roundyour answers to the nearest person.median =peoplemean =standard deviation =peoplepeople

Given: Population size, N=23 Population 32014 11461 33698 15639 12052 5887 35804…

Answered: median = mean = standard deviation =…

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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Check Yourself! Solve the given problem: 1. In an attempt to assess the effect of the length of time spent in using social media to the academic performance of the student, a survey was conducted to ten randomly selected students to determine the number of minutes per week using social media and their scores in a department examination in mathematic which consists of a 50-item test. The data are as follows: Minutes spent using social media per week (x) Score in the department exam (y) 30 45 45 48 60 120 180 200 240 300 320 400 a. Compute for the correlation coefficient r. b. Compute for the value of m and b. c. Form the regression equation 42 40 38 43 20 29 35 15
Sarah was calculating the speeds (mph) of vehicles travelling down Maple Street on two separate days at 9 am for an hour. Below is the data she collected. Wednesday's Speeds: Sunday's Speeds: 34,28,24,17,39,44,64,33,27,21,38,40,60,30,25,37,30,25,35,30 18,27,34,37,49.55,63,61,48,30,27,17,17,15,26,46,25 4) Find the Standard Deviation of each day. Wednesday's Standard Deviation Table X x (x-)²2 n-l Sunday's Standard Deviation Table 7 (x-2)² n-1 2). Sketch Wednesday's Bell Curve with 30 Sketch Sunday's Bell Curve with 30 (x-7)²= x-F (x-7) 2 3. Based on your analysis of the data and standard deviations, which day would you say is the most dangerous day on Maple Street?
A manager wishes to determine the relationship between the distance (in hundreds of miles) the manager's sales representatives travel per month and the amount of sales (in thousands of dollars) per month. Find the standard error of estimate, Se given that ý = 3.5x + 31.388889 %3D 15 8 Miles Travele1,r Sales, y 13 11 10 3 14 76 68 65 42 38 84 82 63 48 E= 81; y = 566 a² = 913; y² = 37886 2 xy = 5738 OS, = 2.025 S = 2.296 OS. = 1.895 Se = 1.735 S. = 2.446
The US Department of Agriculture collected nutrient data on various types of cheeses. Two nutrients of concern to people trying to eat healthier are saturated fat and sodium. The given JMP applet shows scatterplots of the amount of sodium in milligrams by the amount of saturated fat in grams for these cheeses.t O JMP Applet jmp ? Sodium (mg) By Saturated Fat (g) Sodium (mg) By Saturated Fat (15 g - 21 g) 2000 2000 1500- 1500 1000- 1000- 500- 500- 0- 0- 20 15 16 20 21 Saturated Fat (g) Saturated Fat (g) Sodium (1,000 mg - 2,000 mg) By Saturated Fat (g) 1800- 1000- 1400- 1200- 1000- 10 15 20 Saturated Fat (g) II (Bu) unipos III (Bu) unipos (Bu) unipos
Consider the following data set x: 1 2 3 4 5 y: 4 4.4 5.2 6.4 8 Fit it to a linear model and a quadratic model. Which model is better, and how do you know?
Two refreshment stands kept track of the number of cases of soda they sold weekly during the summer time, as shown on the dot plots below. Stand A Stand B 10 11 12 13 14 15 16 17 18 19 10 11 12 13 14 15 16 17 18 19 Number of Cases Sold Number of Cases Sold What is the difference between the modes of the number of cases of soda sold? OA. 11 ов. 2 ос. 5 OD. 16
Fit the regression line X1 3 5 6 8 12 14 X2 16 10 7 4 3 2
The Service Corps of Retired Executives collected the data below to see if their small business consulting work in New Orleans changed after Hurricane Katrina. Their results are summarized in this table. (Academy of Strategic Management Journal, Volume 7, Special Issue, 2008) State your conclusion in the context of this problem. # 3 e d $ 4 % V BIUA ALEXX, E 12pt 5 O r Before Katrina After Katrina t 9 Oll A 6 b DELL y h Face to Face 729 346 & 7 n O Type of contact u j Online Telephone 291 12 223 25 ★ 8 O i E ( 9 k Y Paragraph O V. O 1 alt Y P A. t 7 ctri { + [ 1.4 ? fr 11 129 1 backspa } 1

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median = mean = standard deviation = people people people