3. The following sample contains values of the price and quantity sold of a particularcommodity. Use quantity sold as the dependent variable Y.Price (X)Quantity sold(Y)6.00 3.0053 677.00 1.0048762.00 8.007028Σæ=27, Σy=342, Σ w2=163, Σ my=1295, Σ υ = 21062, n = 6.b) Predict the number of quantities sold for the commodity whose price is $5.00. b) Predict the number of quantities sold for the commodity whose price is $5.00.11354423411 -

Answered: Image /qna-images/answer/6ba67eb6-12cd-42a9-81d7-b9242fb8c6ad.jpg

Answered: The following sample contains values of…

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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A test was given to a statistics class. Results for each gender and for one student in each gender are given. From the information provided, determine which student received a relatively higher grade. The female scored a 78 with μ=84 and σ=3. The male scored a 80 with μ=86 and σ=2. The female student has a higher relative grade than the male student The male student has a higher relative grade than the female student Both students have the same relative grade Not enough information to determine
A test was given to a statistics class. Results for each gender and for one student in each gender are given. From the information provided, determine which student received a relatively higher grade. The female scored a 80 with μ = 84 and σ = 2. The male scored a 76 with μ = 80 and σ = 2. The male student has a higher relative grade than the female student Both students have the same relative grade The female student has a higher relative grade than the male student O Not enough information to determine
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Which of the following choices could be the Pearson correlation between the x and y variables shown in the scatter plot shown here? a) .934 b) -.934 c) 1 d) 0
* Grades for Ivan Zepeda: 40231 X A HW 9.5 + instructure.com/courses/2177802/assignments/13744607 A Maps Test the claim that the mean salary in a town is at most $54000. A random sample 33 salaries yields an average of $54536.16. Use a = 0.01, and assume that o = $1400. 1. The sample size restriction for this test is: O Need at least 5 successes and 5 failures O Need n > 30 O None needed since population is normally distributed e The hypotheses are: О Но:р — 54000; На:р + 54000 O Ho:p 54000 O Ho:p > 54000; Ha:p 54000 or O Ho:µ > 54000; Ha: µ < 54000 2. This is a O rightO twoO left tailed test and the distribution used is OT since o not known Oz since o known OZ since testing a proportion The Degrees of Freedom are O 32 O 3 ON/A since this is a Z-test 3. The STS (round to 3 decimals) is:
The data show the number of hours of television watched per day by a sample of 28 people. Use technology to answer parts (a) and (b) below. D 6 5 3 3 8 7 7 0 2 1 2 0 2 6 1 2 Q₁ = Q₂ = Q3 = (Type integers or decimals. Do not round.) Q 6 0 4 G 6 a. Find the data set's first, second, and third quartiles. 3 0 0 5 2 6 3 3 b. Draw a box-and-whisker plot that represents the data set. Choose the answer below. Note that different technologies will produce slightly different results. O A. O B. OC. C Q Q ✔ Q
Can a low barometer reading be used to predict maximum wind speed of an approaching tropical cydone? For a random sample of tropical cyclones, let x be the lowest pressure (in millibars) as a cyclone approaches, and let y be the maximum wind speed (in miles per hour) of the cyclone. x 1004 975 992 935 971 924 y 40 100 65 145 78 147 A USE SALT (a) Make a scatter diagram ofr the data and visualize the line you think best fits the data. * 140 1000 140 1000 120- 120 100 100 80 80 940 60 940 E 60 40 40e. 920li 40 920 40 60 80 100 120 140 940 960 980 1000 60 80 100 120 140 940 960 980 1000 x (lowest pressure (in millibars) x (lowest pressure (in millibars) x (lowest pressure (in millibars)) x (lowest pressure (in millibars) (b) Would you say the correlation is low, moderate, or strong? O low O moderate O strong Would you say the correlation is positive or negative? O positive O negative (C) Use a calculator to verity thatx - 5801, - 5,613,547, E- 575, E- 64,543 and xy - 549,281. Compute r.…
Please answer e,f,g based on the given question.
2 W S Describe the distribution of female contacts. Female: 160, 169, 152, 167, 164, 163, 160, 163, 169, 157, 158, 153, 161, 165, 165, 159, 168, 153, 166, 158, 158, 166 # 3 BIUA AIEx'x, 12pt e C $ r стор о % t A 6 DELL y h & 7 O U * 00 8 O i Paragraph ) O B P A
3.) A population has a mean of 300 and a variance of 80. If we get 160 samples from this population, what wili be the mean and standard deviation of the sampling distribution of sample mean? A.) Hg = 300 and og =0.53 B.) µg = 300 and og =0.71 C.) µg = 300 and og =6.32 D.) µg = 300 and og =80 %3D %3D
Q.: For the data given in the following frequency distribution table, compute if the nearest error in the data is 1: (a) mean deviation (b) Median (c) Mode (d) Range (e) Variance (f) Standard deviation Classes 150-1 168 - 186- 195 204-213- - 58 Frequency 5 20 20 15 3 1 159-1 67 15 177- 21
The data shown to the right for the dependent variable, y, and the independent variable, x, have been collected using simple random sampling. y 100 10 15 140 a. Construct a scatter plot for these data. Based on the scatter plot, how would you describe the relationship between the two variables? b. Compute the correlation coefficient. 11 110 13 130 14 150 11 120 15 170 12 140 a. Which graph below shows a scatter plot for these data? O A. OB. OC. OD. 15- 180- 180- 15- 10- 10- 180 10 15 10 180 There appears to be linear relationship between x and y. b. What is the correlation coefficient? r= (Round to two decimal places as needed.)

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