Statistics students in Oxnard College sampled 9 textbooks in the Condor bookstore and recorded thenumber of pages in each textbook and its cost. The bivariate data are shown below:Number of Pages (2)Cost(y)5907168472.492295.246256.222535.528134.16306697690.6932102.2A student calculates a linear modely = 0.0582x+30.7051x. (Please show your answers to at least 4 decimal places)Use the model to estimate the cost when number of pages is 946.Cost$85.67x (Please show your answer to 2 decimal places.)

Step 1: Understand the ProblemWe are given a table with data on the number of pages (x) and the…

Answered: Statistics students in Oxnard College…

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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Do a complete regression analysis using data below and find each item: a) Compute the value of the correlation coefficient. c) Use the Critical Value (CV) from the table to determine if there is a significant linear correlation. d) Determine the linear regression equation. e) Find the best predicted value.
Statistics students in Oxnard College sampled 9 textbooks in the Condor bookstore and recorded the number of pages in each textbook and its cost. The bivariate data are shown below: Number of Pages (x) Cost(y) 713 51.91 237 24.59 442 44.94 271 35.97 246 38.22 932 72.24 978 71.46 484 48.88 988 71.16 se 重 A student calculates a linear model (Please show your answers to two decimal places) %3D Use the model to estimate the cost when number of pages is 736. Cost = $ (Please show your answer to 2 decimal places.) Submit Question earch
Statistics students in Oxnard College sampled 10 textbooks in the Condor bookstore and recorded the number of pages in each textbook and its cost. The bivariate data are shown below: Number of Pages (x) Cost(y) 586 78.6 855 95.5 936 118.6 912 115.2 659 81.9 317 55.7 893 100.3 941 103.1 209 39.9 248 39.8 A student calculates a linear model y = x + Use the model to estimate the cost when number of pages is 208. Cost = $ (Please show your answer to 2 decimal places.) (Please show your answers to two decimal places)
Statistics students in Oxnard College sampled 10 textbooks in the Condor bookstore and recorded the number of pages in each textbook and its cost. The data are shown below: Number of Pages (xx) Cost(yy) 853 105.83 433 70.63 824 106.64 247 57.17 261 57.71 457 72.27 522 86.42 482 70.02 544 79.84 987 136.57 A student calculates a linear model using technology (Statistics Calculator or Computer)ˆyy^ = xx + . (Please show your answers to two decimal places)Use the model to estimate the cost when number of pages is 222.Cost = $ (Use the linear model with yor rounded coefficients and then round your answer to 2 decimal places.)
Statistics students in Oxnard College sampled 9 textbooks in the Condor bookstore and recorded the number of pages in each textbook and its cost. The data are shown below: Number of Pages (xx) Cost(yy) 491 84.74 740 121.6 771 127.94 478 92.92 253 45.42 492 90.88 398 81.72 303 67.42 505 92.7 A student calculates a linear model using technology (Statistics Calculator or Computer)ˆyy^ = xx + . (Please show your answers to two decimal places)Use the model to estimate the cost when number of pages is 864.Cost = $ (Use the linear model with yor rounded coefficients and then round your answer to 2 decimal places.)
In baseball, two statistics, the ERA (Earned Run Average) and the WHIP (Walks and Hits per Inning Pitched), are used to measure the quality of pitchers. For both measures, smaller values indicate higher quality. The following computer output gives the results from predicting ERA by using WHIP in a least-squares regression for the 2017 baseball season. Variable DF Estimate SE T Intercept 1 -5.0 0.26 - 19.3 WHIP 1 6.8 0.14 47.4 Which of the following statements is the best interpretation of the value 6.8 shown in the output? ERA is predicted to increase by 6.8 units for each 1 unit increase of WHIP. WHIP is predicted to increase by 6.8 units for each 1 unit increase of ERA. For a pitcher with 0 units of WHIP, the ERA is predicted to be approximately 6.8 units. For a pitcher with 0 units of ERA, the WHIP is predicted to be approximately 6.8 units. Approximately 6.8% of the variability in ERA is due to its linear relationship with WHIP.
Statistics students in Oxnard College sampled 9 textbooks in the Condor bookstore and recorded the number of pages in each textbook and its cost. The bivariate data are shown below: Number of Pages (xx) Cost(yy) 641 80.51 534 55.74 814 92.54 981 119.91 965 116.15 929 102.19 395 42.45 222 26.42 992 118.12 A student calculates a linear modelyy = + xx. (Please show your answers to 2 decimal places)Use the model to estimate the cost when number of pages is 324.Cost = $ (Please show your answer to 2 decimal places.)
Statistics students in Oxnard College sampled 9 textbooks in the Condor bookstore and recorded the number of pages in each textbook and its cost. The bivariate data are shown below: Number of Pages (xx) Cost(yy) 272 52.08 617 103.38 628 94.92 702 107.28 624 107.36 572 93.08 571 104.94 361 67.54 523 81.22 A student calculates a linear modelyy = xx + . (Please show your answers to two decimal places)Use the model to estimate the cost when number of pages is 689.Cost = $ (Please show your answer to 2 decimal places.)
Statistics students in Oxnard College sampled 11 textbooks in the Condor bookstore and recorded the number of pages in each textbook and its cost. The data are shown below: Number of Pages (x) Cost(y) 836 75.88 695 62.6 565 40.2 990 85.2 231 27.48 383 33.64 370 25.6 638 55.04 526 42.08 752 63.16 845 78.6 A student calculates a linear model using technology (Statistics Calculator or Computer) (Please show your answers to two decimal places) %3D Use the model to estimate the cost when number of pages is 833. Cost = $ (Use the linear model with yor rounded coefficients and then round your answer to 2 %3D decimal places.)
Statistics students in Oxnard College sampled 9 textbooks in the Condor bookstore, and recorded number of pages in each textbook and its cost. The bivariate data is shown below, Number of Pages (x) Cost(y) 615 34.9 314 32.84 599 357 31.94 32,42 860 58.6 973 64.38 679 51.74 250 748 24 51.88 A student calculates a linear model (Please show your answers to two decimal places) Use the model above to estimate the cost when number of pages is 520 Cost = S (Please show your answer to 2 decimal places.) Question Help: Message instructor Submit Question
A) Draw a residual plot of the data. Explain why a linear model is appropriate for the data B) Suppose that the times have been recorded in seconds. For example, the time 34.12 minutes would be 2047 seconds. How would the value of r change?
The table below shows the number of state-registered automatic weapons and the murder rate for several Northwestern states. xx 11.6 8.5 7.2 3.6 2.6 2.3 2.1 0.4 yy 13.8 11.4 9.9 7.1 5.9 5.8 5.8 4.7 xx = thousands of automatic weaponsyy = murders per 100,000 residentsThis data can be modeled by the equation y=0.84x+4.02.y=0.84x+4.02. Use this equation to answer the following;Special Note: I suggest you verify this equation by performing linear regression on your calculator.A) How many murders per 100,000 residents can be expected in a state with 4.9 thousand automatic weapons?Answer = Round to 3 decimal places.B) How many murders per 100,000 residents can be expected in a state with 10.3 thousand automatic weapons?Answer = Round to 3 decimal places.

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