2. A researcher wants to see if there is a relationship between the number of new productions onBroadway in any given year and the attendance for the season. The data below were recorded for aselected number of years. Based on these data, can you conclude a relationship between the numberof new productions in a season and the attendance?No. of newproductions54605460 50 37Attendance(millions)7.4 8.2 7.1 8.8 9.6 11 8.4 7.4a. Draw the scatter plot for the variables and determine the relation present.b. Compute the value of the correlation coefficient.

a. Scatter plot: Let X be the number of new productions and Y be the Attendance. Steps to construct…

Answered: A researcher wants to see if there is a…

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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Similar questions

The table shows the number of students on the track team who run the hurdles and in relays. No student runs in both. Hurdles Relays 7th graders 8 12 8th graders 15 15 Total 23 27 Total 20 30 50 What is the joint relative frequency to the nearest hundredth of boys who run relays?
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…
Does the background music affect the behavior of supermarket shoppers? An experiment to answer this question was conducted in a supermarket during the relatively stable summer shopping months. Two days were selected in midweek. One day was assigned to receive no background music. During the second day slow-tempo background music was played. The daily sales (in dollars) for twelve weeks are shown in the accompanying table. None Slow tempo $15,172 $15,917 15,485 16,110 13,922 13,818 12,204 14,709 15,501 13,982 14,106 16,416 14,608 14,727 12,946 14,823 15,002 14,825 14,670 15,949 16,202 15,488 13,286 13,055 Estimate the difference in the actual average daily sales between no-music days versus slow-tempo days using a 95% confidence interval. Does the data suggest that, on the average, background music positively affects daily sales? Show all necessary work.
12.2 ONLY!
Suppose there are 5 students in a room. The mean age is 19.8 years, and the median age is 19. If the youngest person leaves and is not replaced by another person, what happens to the mean and the median? O The mean and median increase. The mean increases, and the median either increases or stays the same. The mean increases, but it is impossible to determine whether the median increases, decreases, or stays the same. The mean increases, and the median stays the same. The median increases, and the mean either increases or stays the same.

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