anlike dummy). The researchers recorded the number of aggressive acts toward the Bobo doll by each child in a 15-minute period. Here are the results: Real-Life Model Video Model f 37 1 25 1 35 23 34 22 30 21 27 4 19 4 22 3 18 2 19 17 18 10 1

anlike dummy). The researchers recorded the number of aggressive acts toward the Bobo doll by each child in a 15-minute period. Here are the results: Real-Life Model Video Model f 37 1 25 1 35 23 34 22 30 21 27 4 19 4 22 3 18 2 19 17 18 10 1

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 shows the number of state-registered automatic weapons and the murder rate for several Northwestern states, where xx is thousands of automatic weapons and yy is murders per 100,000 residents. xx 11.3 8.2 7.1 3.7 2.9 2.2 2.1 0.6 yy 13.9 10.7 10.3 7.2 6.5 5.6 5.5 4.6 Use your calculator to determine the equation of the regression line and write it in the y=ax+by=ax+b form. Round to 2 decimal places. According to this model, how many murders per 100,000 residents can be expected in a state with 4.6 thousand automatic weapons? Round to 3 decimal places. According to this model, how many murders per 100,000 residents can be expected in a state with 4.4 thousand automatic weapons? Round to 3 decimal places.
Some of the Hope Squad at Syracuse JHS work as volunteers at a homeless shelter. The table shows the number of hours the students volunteered during May Hours Worked 10 9 11 8 13 11 17 10 14 10 11 Volunteer Sam Alicia Pat Cam Erin Mike Jewel Andrew Pete Zach Tom a) Find the 5-number summary and IQR of the data. Min Correct Q1 Med Correct Q3 Max Correct IQR b) Use the information in your 5-number summary to determine if there are outliers. If no outliers exist, use DNE. Lower fence Upper fence Outlier(s) Correct
Company A claims that their product is more consistent than Company B. Data is collected and the results are: Company A: n=11, mean= 16.3, s=.41 Company B: n=10, mean= 16.56, s=.05
find : c ) Does data provide evid. of an association between age and opinion of brand? Justify your answer.
Consider the following scenario and answer the questions below: The ornithologist decided to investigate the effect of temperature on the migration of North American birds. Develop a hypothesis in the appropriate format. Identify the independent variable. Identify the dependent variable. Plan an investigation (what would she do to collect data?). Did she engage in basic science or applied science? Explain. Did she engage in inductive or deductive reasoning? Explain
M4
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the data set shows the high school student grade . it have their mid and final test results. we wish to determine if there is a relationship between the two. 1 77 65 2 83 90 3 79 67 4 88 85 5 76 62 6 66 80 7 76 74 8 95 93 9 65 59 10 91 86 11 80 52 12 87 82 13 86 54 14 62 71 15 92 86 16 76 88 17 68 82 18 92 95 19 80 77 20 59 72 21 68 84 22 71 75 23 62 73 24 67 55 25 76 94 26 72 79 27 99 89 28 57 52 29 81 78 30 72 83 31 76 69 32 94 98 33 71 94 34 71 81 35 71 83 36 95 96 37 73 60 38 88 85 39 94 97 40 84 88 41 59 71 42 67 92 43 97 85 44 84 87 45 87 99 46 92 98 47 77 91 48 84 93 49 92 79 50 75 81 51 95 99 52 80 73 53 62 79 54 70 76 55 87 91 56 88 95 what is the equiation for the linear regression model? Final grade= ___ + ___ * Mid term grade (round to three decimal places) If cammy scores 73 on the midterm, her predicted final exam grade would be _______
Suppose that a customer is purchasing a car. He conducts an experiment in which he puts 10 gallons of gas in the car and drives it until it runs out of gas. He conducts this experiment 15 times on each car and records the number of miles driven. Full data set Car 1 216 243 205 242 239 297 295 172 270 251 165 310 265 316 278 Car 2 231 220 223 205 245 257 242 292 248 252 287 255 250 293 251 Median for Car 2 M=___________mi / 10 gal (Type an integer or decimal rounded to one decimal place as needed.) Range for Car 1 R=__________mi / 10 gal (Type an integer or decimal rounded to one decimal place as needed.) Range for Car 2 R=__________mi / 10 gal (Type an integer or decimal rounded to one decimal place as needed.) Sample standard deviation for Car 1 s=_________mi / 10 gal (Type an integer or decimal rounded to one decimal place as needed.) Sample standard deviation…
Express the alternative hypothesis in symbolic form. A psychologist claims that the mean amount of time (in hours) that females spend in talk therapy is more than that of men. Assume that two samples are independent. Let the female talk therapy times be the first population and the male talk therapy times be the second population.
The owner of a food truck collected data on whether customers purchased tacos or a burrito and whether they chose chicken or beef for the meat. The two-way table below shows the data collected. Taco Burrito Total Chicken 13 25 38 Beef 37 25 62 Total 50 50 100 Calculate the relative frequency of the data to determine which association the two-way table suggests. O A. None of the associations listed are correct. OB. Customers who purchase a burrito tend to choose beef. OC. Customers who purchase tacos tend to choose chicken. OD. Customers who purchase a burrito tend to choose chicken.
Provide an appropriate response. Suppose you were to collect data for the pair of given variables in order to make a scatterplot. For the variables time spent on homework and exam grade, which is more naturally the response variable and which is the explanatory variable? O Time spent on homework: response variable Exam grade: explanatory variable O Time spent on homework: explanatory variable Exam grade: response variable