Ex. C- Goals Scored by two teams in a Football Match were as:No. of Goals Scored In ATeam BFootball Match01234LO5TotalTeam A151007050302201005040201Calculate coefficient of variation and state which team is more consistent.

Answered: Ex. C- Goals Scored by two teams in a…

MATLAB: An Introduction with Applications

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ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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A study by Judge and Cable (2010) suggests that there is a positive relationship between weight and income for a group of men. The following data is similar to what was collected in the study. To simplify the weight variable, the men are categorized into five categories that measure actual weight relative to height from 1=thinnest to 5=heaviest. Income is recorded as thousands earned annually. Weight (X) Income (Y) 4 151 5 88 3 52 2 73 1 49 3 92 1 56 5 143 a. Calculate the Pearson correlation for these data. b. Is the correlation statistically significant? Use a two-tailed test with a=.05.
1. The grades of a class of 9 students on a midterm report and on the final examination are as follows: MR 77 50 71 72 81 94 96 99 67 FE 82 66 78 34 47 85 99 99 68 A. What is the dependent and independent variable? B. Pearson'sr= Interpret: C.r-square = Interpret:
Goals scored by two teams in a football match were as follows No. of football matches played No. of goals scored in a football match Team A Team B 15 20 1 10 10 2 7 5 3 4 4 2 5 2 1 Total 42 42 Calculate coefficient of variation and state which team is more consistent.
. In regression, what is the meaning of: a) R b) R2 c) a and b in a regression line
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Let x be the average number of employees in a group health insurance plan, and let y be the average administrative cost as a percentage of claims. (b) Would you say the correlation is low, moderate, or strong? positive or negative? a) moderate and positiveb) low and negative c) strong and positived) strong and negativee) low and positivef) moderate and negative As x increases, does the value of r imply that y should tend to increase or decrease? Explain. a) Given our value of r, y should tend to decrease as x increases.b) Given our value of r, y should tend to remain constant as x increases. c) Given our value of r, y should tend to increase as x increases.d) Given our value of r, we cannot draw any conclusions for the behavior of y as x increases.
i need this. HELP ASAP 13) The categorical variable marital status has the following values: single, married,separated, divorced, and widowed. To include marital status in a multiple regressionmodel, how many indicator variables will be included?A) ThreeB) TwoC) FiveD) OneE) Four
The data indicate the number of wins and the number of goals scored for teams in the National Hockey League after the first month of the season. No. of wins, x B 5 6 9 10 0.885 Part: 0/3 9 Part 1 of 3 5 3 No. of goals, y 10 16 20 23 28 21 11 12 No. of wins, x 11 7 13 5 7 No. of goals, y 20 11 10 20 29 12 17 (a) Find the equation of regression line and draw the line on the scatter plot, but only if r is significant. Round the slope and y-intercept to four decimal places, if necessary. r (Choose one) significant at the 5% level. X
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Ex. C- Goals Scored by two teams in a Football Match were as: No. of Goals Scored In A Football Match 0 1 2 3 4 5 Total Team A 15 10 07 05 03 02 Team B 20 10 05 04 02 01 Calculate coefficient of variation and state which team is more consistent.