A researcher wants to know about the effect of building area on house prices on the slopesof Mount Slamet. The following is data from a survey of 10 samples regarding buildingarea and house prices in the area.No12345678910Building Area (square meter)160170220240120120180120160140House Prices (in million rupiah)250320325410220200310]280320240Question:a. Does the data above have a linear relationship pattern? Test it through the scatter plot!Make the regression equation and interpret the equation!b.c. How strong is the relationship between building area and house prices?d. By ignoring the classical assumption test, test the regression equation with asignificance level of 5%!e. give the conclusion!

Building AreaHouse Prices160250170320220325240410120220120200180310120280160320140240

Answered: A researcher wants to know about the…

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 states in the U.S. 11.6 8.4 6.7 3.5 2.7 2.7 2.2 0.9 14.1 11.3 9.9 6.8 6.2 6.3 5.8 I = thousands of automatic weapons y = murders per 100,000 residents Keep in mind, the data in the table do not necessarily imply a direct causal link between the two variables. (In fact, can you think of any reasons why these variables may not be directly related to each other?) Also, the purpose of this question is not to make a political statement about guns or gun control. It's only to illustrate that data such as these sometimes have mathematical relationships that can be modeled with linear equations. Those relationships should always be questioned and examined carefully. With that said, these data can be modeled by the equation y = 0.87z + 3.95. Use this equation to answer the following; A) If this model is oconsistent, how many murders per 100,000 residents can be expected in a state with 8.7…
2. Use the first 30 data values in Table 1. Test, at the 5 percent level of significance, the hypothesis that men's and women's mean (a) Cholesterol (b) Blood pressure are equal, Table 1 Student Weight Cholesterol Pressure Gender Student Weight Cholesterol Pressure Gender 147 213 127 30 129 194 184 114 2 156 174 116 M 31 111 104 112 193 110 32 156 191 118 4 127 196 110 F 33 155 221 107 F 144 220 130 34 104 212 111 6. 140 183 99 35 217 221 156 M 119 194 112 36 132 103 204 117 139 200 102 F 37 204 121 9 161 192 121 38 171 191 105 M 10 146 200 125 39 135 183 110 11 190 200 125 M 40 249 227 137 M 12 126 199 133 41 185 188 119 M 13 164 178 130 42 194 200 109 M 14 176 183 136 43 165 197 123 M 15 131 188 112 F 44 121 208 100 16 107 193 113 45 124 218 102 17 116 187 112 46 113 194 119 18 157 181 129 M 47 110 212 119 F 19 186 193 137 48 136 207 99 20 189 205 196 113 M 49 221 219 149 21 147 113 50 151 201 109 F 22 112 211 110 F 51 182 208 130 M 23 209 202 97 M 52 151 192 107 M 24 135 213 103 F…
8.6 Cherry Trees: Timber yield is approximately equal to the volume of a tree, however, this value is difficult to measure without first cutting the tree down. Instead, other variables, such as height and diameter, may be used to predict a tree's volume and yield. Researchers wanting to understand the relationship between these variables for black cherry trees collected data from 31 such trees in the Allegheny National Forest, Pennsylvania. Height is measured in feet, diameter in inches (at 54 inches above ground), and volume in cubic feet. (Hand, 1994) Estimate Std. Error t value P(>|t|) (Intercept) -57.99 8.64 -6.71 0.00 height 0.34 0.13 2.61 0.01 diameter 4.71 0.26 17.82 0.00
Part 2. Complete the following statements. A) The cumulative enrolment is the enrolment of the intervals smaller than the interval in question or equal to the latter. The graph of cumulative enrolment is represented by a function in B) The average, median and mode are three measures of of the C) The term refers to any data that deviates disproportionately from others. D) When the residual values are zero, then the correlation is called
Please help with the areas marked with an X To test whether the mean time needed to mix a batch of material is the same for machines produced by three manufacturers, the Jacobs Chemical Company obtained the following data on the time (in minutes) needed to mix the material. Manufacturer 1 2 3 19 29 16 25 27 15 23 32 19 21 28 18 a. Use these data to test whether the population mean times for mixing a batch of material differ for the three manufacturers. Use . Sum of Squares, Treatment X Sum of Squares, Error X Mean Squares, Treatment X Mean Squares, Error X Compute the values below (to decimals, if necessary). Calculate the value of the test statistic (to decimals)_______x_________. b. At the level of significance, use Fisher's LSD procedure to test for the equality of the means for manufacturers and . Calculate Fisher's LSD Value (to decimals)______X______
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A company's price/earnings (P/E) ratio is the company's current stock price divided by the latest 12 months' earnings per share. Suppose the following table shows the P/E ratios for a sample of 10 Japanese companies and 12 U.S. companies. Japan P/E Ratio 152 28 19 127 38 212 65 664 32 69 United States P/E Ratio 16 25 25 42 23 Find the value of the test statistic. W = 15.16 X 15 28 15 28 39 17 15 Is the difference between the P/E ratios for the two countries significant? Use the MWW test and α = 0.01 to support your conclusion. State the null and alternative hypotheses. Ho: The two populations of P/E ratios are identical. H₂: The two populations of P/E ratios are not identical. O Ho: Median for Japanese companies - Median for U.S. companies 20 H₂: Median for Japanese companies - Median for U.S. companies 0 O Ho: Median for Japanese companies - Median for U.S. companies > 0 H₂: Median for Japanese companies - Median for U.S. companies = 0 O Ho: The two populations of P/E ratios are not…
A company's price/earnings (P/E) ratio is the company's current stock price divided by the latest 12 months' earnings per share. Suppose the following table shows the P/E ratios for a sample of 10 Japanese companies and 12 U.S. companies. Japan P/E Ratio 152 28 19 127 38 212 65 664 32 69 United States P/E Ratio 16 25 25 42 23 15 Find the value of the test statistic. W = 16 X 28 15 28 39 17 15 Is the difference between the P/E ratios for the two countries significant? Use the MWW test and a = 0.01 to support your conclusion. State the null and alternative hypotheses. O Ho: The two populations of P/E ratios are identical. H₂: The two populations of P/E ratios are not identical. O Ho: Median for Japanese companies - Median for U.S. companies > 0 H₂: Median for Japanese companies - Median for U.S. companies 0 O Ho: Median for Japanese companies - Median for U.S. companies > 0 H₂: Median for Japanese companies - Median for U.S. companies = 0 O Ho: The two populations of P/E ratios are not…
4. The following table summarises data collected in a survey of owners of small trucks. Most owners reported their distances travelled annually. Determine the measures of central tendency for the annual distance. Mean = Median = Mode = Distance Travelled Annually (in 1000 km) 5-7 7-9 9-11 11-13 13-15 Number of Trucks 5 10 12 20 20

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