23. Market research has provided data on the monthly sales of a licensed T-shirt for a popularrock band. Determine the equation of the median-median line. Round final answers to twodecimal places.T-shirt Price25401520351030T-shirt Sold147592019601600110021501325

Given data: T-shirt Price, X T-shirt Sold, Y 25 1475 40 920 15 1960 20…

Answered: 23. Market research has provided 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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Construct a stem-and-leaf plot for the data. Stock prices (rounded to the nearest dollar). 29 63 34 91 74 25 66 74 85 51 53 69 79 60 52 56 38 72 43 35 ..... Select the correct choice below and fill in the answer boxes to complete your choice. O A. В. Stem Leaf Stem Leaf Stem Leaf 2 2 1 3 3 2 4 4 (blank) 3 5 4 (blank) 6 6 7 6 7 8. (blank) 8 9 (blank) 8. 9 Units: 2|9 = $29 Units: 219 = $29 9 |(blank) Units: 2|9 = $29
These are the times, in seconds, that 15 members of an athletics club took to run 800 metres. 139 148 151 140 162 182 154 171 157 142 145 178 132 148 166 (i) Draw a stem-and-leaf diagram of the data. (ii) Find the median, the upper and lower quartiles and the interquartile range. (iii) Draw a box-and-whisker plot of the data.
An economist want to determine the relation between one’s FICO score, x, and the interest rate of a 36-month auto loan, y. The given data represent the interest rate (in percent) a bank would offer on a 36-month auto load for various FICO scores. Credit Score;x Interest Rate (percent);y 545 18.982 595 17.967 640 12.218 675 8.612 705 6.68 750 5.15 Find the least-squares regression line treating the FICO score as the explanatory variable and the interest rate as the response variable. Predict the interest rate a person would pay if their FICO score were the median score of 723.
Determine the equation of the best fit line shown below, and use this equation to predict the arm length of a person who is 75 inches tall.
a. Complete the rate table. Number of Peppers 1 15 20 100 4 10 Cost 2.25 b. How many peppers could you buy for $20? c. Describe what the graph of this data would look like and name a point on the graph.
23. Market research has provided data on the monthly sales of a licensed T-shirt for a popular rock band. Determine the equation of the median-median line. Round final answers to two decimal places. T-shirt Price 25 40 15 20 35 10 30 T-shirt Sold 1475 920 1960 1600 1100 2150 1325
The graph below is a scatter plot between liabilities and assets, bothexpressed in millions. i. Critically assess this scatter plot explaining about the relationship betweentwo variables.ii. A researcher claims that the correlation is showing that changes in assetscause changes in liabilities. Is he right or wrong? Explain your answer.
The owner of Showtime Movie Theaters, Inc., would like to predict weekly gross revenue as a function of advertising expenditures. Historical data for a sample of eight weeks follow. Click on the datafile logo to reference the data .
d. Estimate the blood pressure of the student if his stress test score is 80, 60, and 85.
Would it be OK to use the line to predict the age of the wife if the husband is 80 years old? Explain your answer.
Exercises 3-1 1. Roller Coaster Speeds The data show the heights in feet of 14 roller coasters. Find the mean, median, midrange, and mode for the data. 95 105 50 125 102 120 160 102 118 91 160 95 50 84 Source: UltimateRollerCoaster.com. 2. Airport Parkin
23. Market research has provided data on the monthly sales of a licensed T-shirt for a popular rock band. Determine the equation of the median-median line. Round final answers to two decimal places. T-shirt Price 25 40 15 20 35 10 30 T-shirt Sold 1475 920 1960 1600 1100 2150 1325

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23. Market research has provided data on the monthly sales of a licensed T-shirt for a popular rock band. Determine the equation of the median-median line. Round final answers to two decimal places. T-shirt Price 25 40 15 20 35 10 30 T-shirt Sold 1475 920 1960 1600 1100 2150 1325