20) To investigate the relationship between yield of potatoes, y, and level of fertilizerapplication, x, a researcher divides a field into eight plots of equal size and appliesdiffering amounts of fertilizer to each. The yield of potatoes (in pounds) and the fertilizerapplication (in pounds) are recorded for each plot. The data are as follows:4.4.533.52.51.53436353231272825Calculate the coefficient of correlation.

The value of the coefficient of correlation is representing the statistical relationship between the…

Answered: 20) To investigate the relationship…

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 Northwestern states. x 11.4 8 6.8 3.4 2.4 2.2 2.4 0.4 y 13.5 10.7 10.1 6.9 5.9 5.6 6.3 4.2 x = thousands of automatic weapons y = murders per 100,000 residents This data can be modeled by the equation y = 0.85x + 3.97. 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 10.3 thousand automatic weapons? Round to 3 decimal places. B) How many murders per 100,000 residents can be expected in a state with 4.3 thousand automatic weapons? Answer= Answer = Round to 3 decimal places.
Given the following box plot: 10 12 Determine the following: a. Min = b. Q1 = c. Median = d. Q3 = е. Мах - f. IQR = Q3 - Q1 = g. Range h. Which quarter has the smallest spread of data? 1st 2nd | 3rd 4th i. Which quarter has largest spread of data? 1st 2nd 3rd | 4th j. The percentage of data between the values 2 and 12. 0% |25% O 50% O75% O 100% k. The percentage of data between the values 12 and 13. 0% | 25% 50% 75% 100% O O O 0 O O 0 0
The data represents the heights of eruptions by a geyser. Use the heights to construct a stemplot. Identify the two values that are closest to the middle when the data are sorted in order from lowest to highest. Height of eruption (in.) 65 31 50 90 80 50 40 70 67 73 52 50 54 68 63 60 Which plot represents a stemplot of the data? OA. 3 4023578 50037 6008 70034 80 90 B. 31 4 03 5 00024 603578 70037 808 90 Identify the two values that are closest to the middle when the data are sorted in order from lowest to highest. The values closest to the middle are ☐ inches and ☐ inches. (Type whole numbers. Use ascending order.) C. 3 034 4 025 5 007 6003 7 008 8 037 9 08 77 70 43 88
Brand A vitamins 505 506 502 S04 503 S01 S00 497 198 amount of Vitamin C in each pill was measured and plotted. From this dot plot, find the median, quartiles, and interquartile range: 494 196 495 40 samples of Vitamin C pills were 493 492 Milligrams of vitamin C taken from bottles of Brand A and the Quartile 1: Median: Quartile 3: Interquartile Range: 507 0odso 00od 000od 00od
An office supply company services copiers and tracks how many machines are serviced and the length of time (in minutes) for a service call. The data below for 11 clients is below. Sum X = 46 Sum Y= 234 Sum XY = 5797 Sum X2 =1180 Sum Y2 =146608 1) Calculate SSYY, SSXX, SSXY 2) Calculate b0, b1 3) Interpret the estimated slope coefficient.
The data table to the right represents the volumes of a generic soda brand. Complete parts (a) and (b) below. a. Which plot represents a dotplot of the data? O A. O C. 50 60 50 70 80 90 Volumes of soda (oz) 60 70 80 90 Volumes of soda (oz) o o Q Q 520 Q Q 5 www. O B. OD. 50 50 60 70 60 Volumes of soda (oz) 70 80 75 70 65 50 元 5 75 75 85 . 70 65 Volumes of soda (oz) 80 90 70 80 90 Volumes of soda (oz) 65 80 70 Q Q Q Q
An agricultural experimenter divided a tract of land into seven plots of equal size. Each plot was treated with different levels of fertilizer to determine whether the level of fertilizer application affects yield. The results are shown below: Plot F 5.5 Level of Fertilizer, X Yleld (in Ibs), Y 3.0 3.5 4.0 4.5 5.0 6.0 53 57 56 58 62 59 63 What is the simple power equation for the given pairs of data? OY = 1.6266X^0.0216 OY = 0.2109X^0.0216 OY = 1.6266X^0.2155 %3D OY- 0.2109X^0.2155 O none of the above
Using the following stem & leaf plot, find the five number summary for the data. View in full window so that you have 6 rows of data. 1 02 2 m 34459 4 2279 5 0 4 5 6 8 9 6 08 Min = Q₁² Med = Q3 Max = ▬▬▬▬

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