Answered: The histogram and the frequency table…

The histogram and the frequency table show the same information about the time that vehicle spent in a car park. Times spent in car park TIME, I (minutes) FREQUENCY 3- 0

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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b) Make a frequency polygon of the test scores.Apparent Limits frequency93-95 190-92 287-89 684-86 881-83 978-80 775-77 672-74 369-71 466-68 263-65 060-62 2
Suppose you studying the relationship between time studied for the LSAT and score on the LSAT. To study this you randomly select 9 students who took the LSAT, ask them how long they prepared for the exam and then record their score. Hours Studied 80100120120150160180200210 Score (in points) 140131138143158149162161157 (a) Draw a scatterplot for this data. Make sure to label your axes. (b) Calculate the correlation coefficient for this data. Is there enough evidence for a correlation? Why or why not? (c) Give the equation of the least squares regression line for this data. (d) Interpret the slope of the LSR in the context of this situation. (e) What is the predicted score for a student who studies for 140 hours? Would you trust this prediction? Why or why not? (f) Calculate the residual for the LAST data point in your sample, the student who studied 210 hours and got a score of 157 points. Make sure to include units for your residual.
Diagrammatic and Graphical Representation can you send me an excel file type of this? thanks
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A biologist exposed a certain type of bacteria to gamma radiation to see how long they would live. He gathered data on the survival time of a number of bacterial cells and organized the data into the histogram below. Use the histogram to construct a frequency table. (The relative frequencies should be in decimal form.) 60+ 50 40 30 10 440 282 Survival Time (in Seconds) 45 124 203 361 519 Survival Time of Bacteria upon Exposure to Gamma Radiation Frequency Survival Time (in Seconds) Relative Frequency 45-124 124-203 203-282 282-361 361-440 440-519 Frequency 20
An aerabk exercise instructor remembars the data givan in the follawing table, which shows the recommanded maximum exercise haart rates for individuals of the given ages. (A graphing calculator is recommended.) Age (x years) 20 40 60 Maximum heart rate 172 155 138 (y bente per minute) (a) Find the lincar corelation coefficient for the deta. (Rcund your answer to two decimal places.) (b) What is the signiticance of the value found in part (a)? O The slope of the regression is about half of what the expected value is. O The graph of the regression points passes through nene of the data points. * The graph of the regression points passes through all three data peints. O One of the data points is the y-intercept. O The linear correlation cooficient should always be positive. (c) Find the equetion of the leest-squeres regression line. (Round your answers to two decimal pleces.) (d) Use the equation of the least-squares line from part (c] te predict the maximum cxercise heart rate fer a…
The shape of the data is not important in a frequency diagram. True O False To search 68°F - F3 F4 F5 F6 F7 F8 F9 F10 F11 F12 # $4 % & 3 4 6 7 8 W E R I Y U S D F G H J K L
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answer the following