The contingency table to the right shows counts of the types of gasolinebought during the week and during weekends.(a) Find the value of chi-squared and Cramer's V for this table.(b) Interpret these values. What do these tell you about the associationin the table?WeekdayWeekendTotalPremium303464Plus42251293Regular51135546Total583320903(a) x?(Round to two decimal places as needed.)

Solution-: We find, (a) Chi-square value and Cramer's value V (b) Interpret these…

Answered: The contingency table to the right…

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 correlation between midterm and final grades for 300 students is 0.620. If 5 points are added to each midterm grade, the new r will be: a. 0.124 b. 0.57 c. 0.62 d. 0.744
Options for each answer are listed
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Please explain
2 The data set below is used for questions 1-3. The times for 35 students to take a final exam (in hours) are listed below: The data is listed in rows with 5 values each, just for your convenience in reading them. There is nothing special about the groupings. 0.2, 0.5, 0.7, 1.1, 1.2, 1.2, 1.3, 1.4, 1.4, 1.4, 1.5, 1.5, 1.6, 1.6, 1.7, 1.9, 2.0, 2.1, 2.1, 2.2, 2.3, 2.5, 2.6, 2.8, 2.9, 3.0, 3.0, 3.1, 3.7, 3.7, 4.0, 4.1, 4.5, 5.1, 5.8 Which distribution might be appropriate for this data? For the instructor, this was question 3. X Binomial X Exponential / Gamma X Negative binomial X Normal X Poisson
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Which of the following is a plausible correlation for a person’s height and age from birth to age 10? a. 0.89 b. 0 c. -0.89
Solve.
see pictures for questions A and B and graphic. Mr. Barnes gave his students a biology test last week.Here are the test scores for each of the sixteen students. Test scores 83 76 89 82 78 74 82 80 79 75 73 90 85 88 74 81
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